Globe Scientific

Precision Balance

<h2>What Are Precision Balances?</h2>
&nbsp;
A precision balance (also called a top-loading balance or semi-analytical balance at the finer end of the range) is an electronic weighing instrument that provides mass readability of 1 mg (0.001 g) to 0.1 g, with maximum capacities ranging from 120 g to 6 kg. They use either electromagnetic force restoration (EMFR) at the finer-readability end (1 mg to 0.1 mg) or strain-gauge load cells at the coarser end (0.01 g to 0.1 g), and most feature an open top-loading design without a full draft shield, distinguishing them from analytical balances. At 1 mg readability, some precision balance models include a partial windscreen (a three-sided partial enclosure) or removable draft shield panels; models at 0.01 g to 0.1 g readability typically operate in open-air conditions. Precision balances cover the widest range of routine laboratory weighing tasks: preparation of culture media batches in 2 to 5 L vessels (requiring 0.01 g accuracy), formulation of buffer concentrates, routine quality control check-weighing of capsules and tablets, dispensing of stock reagent aliquots, and any application where the protocol requires mass to two or three decimal places in grams without demanding the fourth decimal place (0.1 mg) of an analytical balance. A precision balance fills the gap between the 520 g capacity ceiling of a standard analytical balance and the coarse 0.1 g to 1 g readability of high-capacity bench scales; specify it when you need 1 mg to 10 mg resolution for samples up to 2 kg.
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<h2 dir="ltr">What you can find:</h2>
&nbsp;
<ul>
<li data-section-id="1vcyko4" data-start="25" data-end="110">Portable precision balances for routine laboratory and field weighing applications.</li>
<li data-section-id="1ry14v8" data-start="111" data-end="193">High-capacity precision balances for weighing larger samples and bulk materials.</li>
<li data-section-id="19ie366" data-start="194" data-end="295">Precision balances with internal or external calibration options for reliable measurement accuracy.</li>
<li data-section-id="10kqa2z" data-start="296" data-end="384">Touchscreen precision balances with advanced weighing functions and data connectivity.</li>
<li data-section-id="1uqcy5z" data-start="385" data-end="528" data-is-last-node="">Precision balance series from leading manufacturers, including Accuris and Radwag, for research, education, and quality control laboratories.</li>
</ul>
&nbsp;
<h2>How to Choose a Precision Balance</h2>
&nbsp;
Readability and capacity: matching both parameters
Precision balance selection requires matching both readability and capacity to the application. For weighing 0.5 to 5 g samples into vials for dissolution testing (where 1 mg accuracy is needed but a 520 g capacity is insufficient for the tare container), a 600 g x 0.01 g balance is the correct choice. For preparing 500 mL to 2 L media batches where 0.01 g accuracy is adequate, a 2 kg x 0.1 g balance covers the full range. For piece counting or check-weighing of bulk tablet batches, a 3 to 6 kg x 0.1 g precision balance handles the total weight of a tray or container of units.
Draft shield options
Precision balances at 1 mg (0.001 g) readability are affected by air currents and require either a full draft shield (as found on analytical balances) or, at a minimum, a three-sided windscreen to stabilize readings. Most 1 mg readability models in the 120 g to 620 g range include a removable glass draft shield. At 0.01 g readability, most models are used open-air on the bench, as air currents introduce errors of approximately 0.01 g, within the resolution tier of the instrument. Confirm the precision balance's recommended environmental conditions (maximum air velocity for stable readings) for the intended installation location.
Internal vs. external calibration
Precision balances with built-in internal calibration (a motorized weight that deploys automatically on temperature change or user command) maintain calibration between periodic external verification intervals without operator intervention. This is important in high-use labs where temperature fluctuates by 2 to 3 degrees C during the day. External calibration balances are lower cost and suitable when calibration is performed on a defined schedule (daily or weekly before use) using a certified reference weight. Most precision balance models at 0.01 g readability and above are available in both internal and external calibration configurations.
Advanced weighing functions
Research-grade precision balances include built-in weighing functions beyond standard mass measurement: piece counting (estimating the number of identical parts from a known sample weight); percentage deviation weighing (displaying the difference from a target mass as a percentage); formulation mode (guided dispensing of multiple ingredients to target masses with running total); and density determination (Archimedes method via an under-pan hook and optional kit). Confirm which functions are required and built in (not requiring a separate software purchase) for the intended application.
GLP features and connectivity
Precision balances for pharmaceutical QC, food testing, and accredited analytical labs require GLP documentation features: automatic printing of date, time, balance ID, operator ID, calibration status, and weighing result. RS-232 or USB output to a LIMS, balance printer, or PC is standard. For regulated environments, 21 CFR Part 11 software with an electronic audit trail and access control is available on premium models.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Precision balance repeatability is specified as the standard deviation of 10 consecutive weighings of the same load at mid-range, typically 0.5 to 1 mg for models with 1 mg readability, and 0.01 to 0.05 g for models with 0.1 g readability. Environmental sensitivity is lower than for analytical balances: a 0.001 g precision balance in a vibration-affected environment may show repeatability of 1 to 5 mg in practice versus 0.5 mg in a stable environment. For the most demanding 1 mg-readability precision balance applications, place the balance on an anti-vibration mat and away from air vents. Pan size selection: precision balances at 1 mg to 0.01 g readability typically have pans of 130 to 200 mm; at 0.1 g readability, pans of 200 to 300 mm accommodate larger vessels.&nbsp;
&nbsp;
Require assistance in selecting the appropriate model? Contact the <a href="https://mbpinc.net/contact-us">MBP team</a> for a tailored quote and professional guidance.

Precision Balances

Portable Precision Balances Specifications

GBBH Portable Precision Balance Series

GBBH-1000 by Globe Scientific is the GBBH Portable Precision Balance Series: top-loading balances with backlit LCD, stainless steel pan, four-key operation, and 100–240 V AC or 6-AA battery power. The 1000 g × 0.01 g model (GBBH-1002) has a 135 × 120 mm pan, 0.02 g linearity, and a 5-year warranty. Suited for field sampling, education, and industrial receiving inspection.

Manufacture

Balance, Toploading, Basic, High Capacity, Portable, 10000g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Basic, High Capacity, Portable, 10000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Basic, High Capacity, Portable, 1000g X 0.01g, External Calibration, 100-240V, 50-60Hz, External Batteries

Balance, Toploading, Basic, High Capacity, Portable, 1000g X 0.01g, External Calibration, 100-240V, 50-60Hz, External Batteries, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Basic, High Capacity, Portable, 20000g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Basic, High Capacity, Portable, 20000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Basic, High Capacity, Portable, 3000g X 0.1g, External Calibration, 100-240V, 50-60Hz, External Batteries

Balance, Toploading, Basic, High Capacity, Portable, 3000g X 0.1g, External Calibration, 100-240V, 50-60Hz, External Batteries, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Basic, High Capacity, Portable, 3000g X 0.01g, External Calibration, 100-240V, 50-60Hz, External Batteries

Balance, Toploading, Basic, High Capacity, Portable, 3000g X 0.01g, External Calibration, 100-240V, 50-60Hz, External Batteries, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Basic, High Capacity, Portable, 6000g x 0.1g, External Calibration, 100-240V, 50-60Hz, External Batteries

Balance, Toploading, Basic, High Capacity, Portable, 6000g X 0.1g, External Calibration, 100-240V, 50-60Hz, External Batteries, Includes ISO/IEC 17025:2017 Caibration Certificate

GBPH-1000-Group-GBPH Series Balances Brochure

GBP High Capacity Portable Precision Balance Series - External Calibration

GBPH-1000 by Globe Scientific is the GBP High Capacity Portable Precision Balance Series with external calibration — top-loading portable balances with up to 15 hours of battery life, 100,000-measurement storage, and 100–240V universal power, suited for laboratory and field environments requiring traceable high-capacity weighing. Contact MBP to confirm the specific capacity and readability variant for your application.

Balance, Toploading, Precision, High Capacity, Portable, 10000g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 10000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 1000g x 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 1000g X 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 20000g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 20000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 2000g x 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 2000g X 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 6000g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 6000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

GBPH-1002C-Group-GBPH Series Balances Brochure

GBP High Capacity Portable Precision Balance Series - Internal Calibration

GBPH-1002C by Globe Scientific is a high-capacity portable precision toploading balance with 1000g capacity, 0.01g readability, and automatic internal calibration — eliminating the need for a separate external calibration weight. The rechargeable internal battery delivers up to 15 hours of operation, and RS232, USB-A, and USB-B ports support data connectivity. Onboard memory logs up to 100,000 weighings. Backed by a 5-year replacement guarantee. Available from MBP for labs across the USA and Canada.

Balance, Toploading, Precision, High Capacity, Portable, 1000g x 0.01g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 1000g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 2000g x 0.01g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 2000g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, High Capacity, Portable, 6000g x 0.1g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, High Capacity, Portable, 6000g X 0.1g, Internal Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

GBP-2002-Group-GBP Series Balances Brochure

GBP Portable Precision Balance Series

GBP-2002 by Globe Scientific is a portable precision toploading balance with 2000g capacity and 0.01g readability, combining a rechargeable internal battery (up to 15 hours) with RS232, USB-A, and USB-B connectivity for data export in laboratory or field settings. Onboard memory stores up to 100,000 weighings, and weighing modes include percent weighing, parts counting, and peak hold. Backed by a 5-year replacement guarantee. Available from MBP for labs across the USA and Canada.

Balance, Toploading, Precision, Portable, 2000g x 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, Portable, 2000g X 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, Portable, 200g x 1mg, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, Portable, 200g X 1mg, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, Portable, 3100g x 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, Portable, 3100g X 0.1g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Toploading, Precision, Portable, 600g x 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery

Balance, Toploading, Precision, Portable, 600g X 0.01g, External Calibration, 100-240V, 50-60Hz, Rechargeable Internal Battery, Includes ISO/IEC 17025:2017 Caibration Certificate

High Capacity Balance

<h2>What Are High-Capacity Laboratory Balances?</h2>
&nbsp;
High-capacity laboratory balances (also called top-loading precision balances or bench scales) are electronic weighing instruments designed for accurate measurement of larger samples, reagents, and laboratory materials. They are commonly used for bulk weighing applications such as preparing cell culture media and buffer batches, formulating chemical reagents, inventory management, receiving inspection of materials, quality control weighing, and analytical sample preparation involving large containers. High-capacity balances are well-suited for weighing loads that exceed the capacity of standard analytical balances.
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<h2>What you will find:</h2>
&nbsp;
<ul>
<li>High-capacity laboratory balances for accurate weighing of large samples, reagents, and laboratory materials.</li>
<li>Models with internal or external calibration options for reliable measurement accuracy.</li>
<li>Color touchscreen balances with touch-free infrared sensor operation and multiple weighing applications.</li>
<li>Balances with RS232, USB, and Ethernet connectivity for data transfer and record management.</li>
<li>User-friendly systems with data storage capabilities for users, products, and weighing results.</li>
</ul>
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<h2>How to Choose a High-Capacity Balance</h2>
&nbsp;
Capacity and readability
Select a balance with a maximum weighing capacity appropriate for your laboratory workflow while ensuring the readability meets your required level of measurement precision. Consider both the largest sample or container you expect to weigh and the smallest weight change that must be detected for accurate, repeatable results.
Calibration options
Choose between internal and external calibration based on your laboratory's quality management procedures. Internal calibration provides convenient automated adjustment, while external calibration uses certified calibration weights and may be preferred where specific calibration protocols are required.
Connectivity and data management
Evaluate available communication interfaces such as RS232, USB, and Ethernet if weighing data needs to be transferred to computers, printers, or laboratory information management systems (LIMS). Built-in user profiles and data storage capabilities can improve traceability and simplify record keeping.
User interface and weighing applications
A touchscreen display, programmable weighing modes, and touch-free operation can improve efficiency, particularly in busy laboratory environments. Select a balance that offers the application modes and workflow features required for your routine laboratory tasks.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
When evaluating a high-capacity laboratory balance, compare specifications that directly affect performance and usability, including maximum capacity, readability, repeatability, calibration method, available weighing applications, and data connectivity. Internal or external calibration options help maintain measurement accuracy over time, while interfaces such as RS232, USB, and Ethernet simplify data transfer and documentation. Features including touchscreen operation, user and product storage, and multiple weighing modes can improve workflow efficiency and traceability in research, quality control, and analytical laboratories. Selecting a balance with the appropriate combination of weighing performance, calibration capability, connectivity, and software features helps ensure reliable results for demanding laboratory applications.
&nbsp;
To discuss product availability or get selection guidance, <a href="https://mbpinc.net/contact-us">contact the MBP team.</a>

GBT-20001-Group-GBT Series Balance Brochure

Advanced Touch Display Analytical & Precision Balances Specifications

GBT High Capacity Touchscreen Balance Series - External Calibration

GBT-20001 by GBT is a 20,000 g × 0.1 g high-capacity balance with external calibration, a color touchscreen, infrared controls, 11 weighing modes, and RS232/USB/Ethernet connectivity. Suited for bulk media prep, animal weighing, receiving QC, and production environments requiring above-10 kg weighing capacity with digital data output.

Balance, High Capacity, Touchscreen, 20000g x 0.1g, External Calibration, 100-240V, 50-60Hz

Balance, High Capacity, Touchscreen, 20000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Mini Balances

<h2>What are mini lab balances?</h2>
&nbsp;
Mini lab balances are compact, lightweight weighing instruments designed to measure small masses with higher readability than general-purpose balances but in a smaller and more portable form factor than a full analytical balance. They typically offer readabilities of 0.001 g (1 mg) or better, capacities from 120 to 500 g, and small pan sizes suited to weighing out milligram quantities of reagents, standards, or small samples. Many mini balances include battery operation for field or portable use alongside AC adapter options for bench use.
&nbsp;
<h2>What you will see:</h2>
&nbsp;
<ul>
<li>Accuris&trade; Mini Balance - Portable mini balance used for routine daily weighing applications</li>
<li>GBT Semi-Micro Touchscreen Balance Series - Internal - Precision touchscreen mini balance featuring built-in calibration capability</li>
<li>Radwag 2.1/5.1g Capacity 1&micro;g Readability &oslash;0.6" MicroBalance - Sensitive microbalance with high precision and reliability</li>
</ul>
&nbsp;
<h2>How to choose a mini balance</h2>
&nbsp;
Match readability to your minimum weighing requirement
Balance readability determines the smallest mass difference the instrument can display, but the minimum net sample reliably weighable is typically 100&ndash;1000 times the readability, since below this threshold measurement uncertainty becomes significant. For weighing quantities in the range of tens to hundreds of milligrams, 0.001 g readability is generally sufficient; quantities below 10 mg benefit from 0.0001 g readability.
Check maximum capacity against your largest expected weighing task
Mini balances are optimized for small mass measurement and typically have maximum capacities of 120&ndash;500 g; exceeding the balance's capacity even momentarily can damage the load cell or shift the calibration. If you regularly weigh both small and larger quantities, a balance with higher maximum capacity or a second instrument for larger loads is more practical.
Confirm calibration method &mdash; internal vs external
Some mini balances support internal automatic calibration using a built-in calibration weight, while others require external calibration with a separate weight at set intervals. Internal calibration is more convenient and gives more consistent results across temperature fluctuations, which shift balance readings.
Evaluate whether battery operation is needed
If you need to weigh samples in a biosafety cabinet, fume hood, or field location without mains power, a mini balance with battery operation is necessary. For fixed bench use with reliable power, AC-only models are generally sufficient and may have better long-term stability.
Consider pan size relative to the containers you use
The pan size determines the footprint of vessel that can be placed on the balance; a pan too small for typical containers forces awkward positioning that risks uneven loading and reduced accuracy.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The minimum weight that can be reliably measured is determined by the USP minimum weight standard, which defines the minimum sample mass as the balance readability multiplied by a safety factor (typically 820 for pharmaceuticals), though in general laboratory use, a practical minimum of 100 times the readability is commonly applied to achieve 1% measurement uncertainty. As of 2026, mini balances with 0.001 g readability and internal calibration remain the most commonly purchased format for general reagent weighing at the benchtop or in a biosafety cabinet.
<a href="https://mbpinc.net/contact-us">Contact MBP today</a> to get more details about our mini balances products and other lab weighing products.

GBT-125C-Group-GBT Series Balance Brochure

GBT Semi-Micro Touchscreen Balance Series - Internal Calibration

GBT-125C by GBT is a 120 g × 0.01 mg semi-micro analytical balance with internal automatic calibration, a color touchscreen, infrared sensor controls, and 11 weighing modes. Built-in RS232, USB, and Ethernet connectivity supports direct LIMS integration. Suited for pharmaceutical QC, analytical chemistry, and research labs requiring sub-milligram precision with minimal workflow interruption.

Balance, Semi-Micro, Touchscreen, 120g x 0.01mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Semi-Micro, Touchscreen, 120g X 0.01mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Analytical Balance

<h2>What Are Analytical Balances?</h2>
&nbsp;
An analytical balance is a high-precision weighing instrument that measures mass to a resolution of 0.1 mg (0.0001 g), one tenth of a milligram. The weighing mechanism uses electromagnetic force restoration (EMFR): the weighing pan is suspended by an electromagnet that applies just enough force to maintain the pan in a fixed reference position; the current required to restore this position is proportional to the mass placed on the pan, providing extremely high accuracy and repeatability across the full capacity range. A glass or polycarbonate draft shield enclosing the weighing pan prevents air currents from displacing the pan and introducing measurement errors; at 0.1 mg sensitivity, an air movement of less than 0.1 m/s can produce a reading error of 0.1 mg or more. Analytical balances cover capacities from 80 g (semi-micro models, with 0.01 mg readability in some configurations) to 520 g maximum, which accommodates weighing into standard laboratory glassware, plastic weighing boats, and small containers. They are used in quantitative chemistry (stoichiometric reagent weighing for accurate molarity calculations), pharmaceutical development (API and excipient weighing), environmental analysis (gravimetric filter weighing), food science, and materials research. An analytical balance is required whenever mass accuracy at the 0.0001 g (0.1 mg) level is needed; if the protocol reports mass to three or four decimal places or requires a minimum weighing quantity specification, an analytical balance is the correct instrument.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Analytical balances for high-precision weighing in research, analytical, and quality control laboratories.</li>
<li>Balance series with internal or external calibration options for maintaining measurement accuracy.</li>
<li>Touchscreen analytical balances with advanced weighing functions and intuitive operation.</li>
<li><a href="https://mbpinc.net/equipments/microscopes-balances-and-analytical-equipment/laboratory-balances/analytical-balance/accessories">Analytical Balance Accessories</a>, including precision vacuum gauges for monitoring vacuum levels and supporting laboratory vacuum applications.</li>
</ul>
&nbsp;
<h2>How to Choose an Analytical Balance</h2>
&nbsp;
Readability and accuracy
Readability (resolution, smallest displayable increment) for standard analytical balances is 0.1 mg. Semi-micro balances with 0.01 mg readability are specified for trace weighing, where mass differences of 0.01 mg must be detected, used in pharmaceutical microformulation, impurity weighing, and environmental particulate filter gravimetry. Accuracy (how closely the displayed value matches the true mass) is related to but distinct from readability: a well-maintained, calibrated analytical balance should show repeatability (standard deviation of 10 repeat weighings) of 0.05 mg to 0.1 mg at mid-range loads.
Internal vs. external calibration
Analytical balances with internal calibration contain a motorized calibration weight that deploys automatically when triggered by a temperature change (typically 1.5 to 2 degrees C change), a scheduled time interval, or an operator command. The balance calibrates itself and documents the event without requiring the operator to handle external weights; the preferred configuration for regulated environments and high-throughput labs. Externally calibrated balances require the operator to place a certified external weight on the pan and initiate calibration manually, appropriate for lower-frequency calibration schedules and labs where calibration is an explicitly documented QC step.
Draft shield design
Motorized sliding glass doors that open automatically when a sample is placed near the sensor and close after removal reduce the time the draft shield is open, minimize drafts around the pan during the stability period, and improve operator ergonomics. Manual sliding or hinged doors require the operator to open and close the shield for each weighing, adequate for moderate use but slower in high-throughput environments. Confirm that the door opening dimensions (width and height of the access openings) are sufficient for the weighing vessels used in your workflow.
Capacity and sample vessel compatibility
Choose capacity based on the maximum combined mass of the sample plus any tare container placed on the pan. For analytical chemistry, weighing reagents in 50 mL beakers or weighing boats, 200 g capacity covers most scenarios. For pharmaceutical weighing of larger API or excipient batches, a 520 g capacity with 0.1 mg readability is specified. Never exceed the stated maximum capacity of an analytical balance; even brief overloading can permanently damage the electromagnetic force restoration mechanism.
GLP and GMP compliance features
Analytical balances for regulated pharmaceutical and food testing environments require GLP/GMP compliance features: automatic time and date stamping of each weighing record; user login and operator ID in the printout; balance identification code; calibration status and last calibration date; minimum sample weight display (calculated from balance performance and the USP minimum weight requirement); and connectivity for data export to a LIMS or validated computer system. Confirm that the software and interface meet the regulatory requirements of the intended use.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
The minimum weighing quantity (MWQ) for an analytical balance is the minimum sample mass that can be weighed with an acceptable relative uncertainty, typically defined as 1000 times the standard deviation of repeatability, per USP 41 chapter 41 and OIML R 111 guidance. For a balance with 0.05 mg standard deviation, the minimum weighing quantity is 50 mg. Samples below this mass have a relative weighing error that exceeds the acceptable limit (commonly 0.1% relative uncertainty). Confirm the balance's MWQ specification for your smallest sample masses, and document this parameter in the balance qualification records for GLP and GMP environments.
&nbsp;
To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

GBT-164-Group-GBT Series Balance Brochure

GBT Touchscreen Analytical Balance Series - External Calibration

GBT-164 Touchscreen Analytical Balance – 160 g capacity, 0.1 mg readability, external calibration. Color touchscreen display, built-in 3-door draft shield, RS-232 and USB-A connectivity. Electromagnetic force restoration sensor for fast, stable weighing. Ideal for pharmaceutical, chemical, and research laboratories.

Balance, Analytical, Touchscreen, 160g x 0.1mg, External Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 160g X 0.1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 220g x 0.1mg, External Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 220g X 0.1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 310g x 0.1mg, External Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 310g X 0.1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 62g x 0.1mg, External Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 62g X 0.1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

GBT-164C-Group-GBT Series Balance Brochure

GBT Touchscreen Analytical Balance Series - Internal Calibration

The GBT-164C by Globe Scientific is a 160 g × 0.1 mg touchscreen analytical balance with internal motorized calibration, a color touch display, touch-free operation, and RS232/USB/Ethernet connectivity. Backed by a 5-year replacement guarantee.

Balance, Analytical, Touchscreen, 160g x 0.1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 160g X 0.1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 220g x 0.1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 220g X 0.1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 82/220g x 0.01/0.1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 82/220g X 0.01/0.1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 310g x 0.1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 310g X 0.1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Analytical, Touchscreen, 520g x 0.1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Analytical, Touchscreen, 520g X 0.1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

GBT-1000-Group-GBT Series Balance Brochure

GBT Touchscreen Precision Balance Series - External Calibration

GBT-1000 by GBT is a 1000 g × 1 mg precision balance with external calibration, a color touchscreen, infrared sensor controls, 11 weighing modes, and RS232/USB/Ethernet connectivity. Suited for reagent formulation, sample prep, and QC labs requiring one-milligram readability and LIMS integration.

Balance, Precision, Touchscreen, 10000g x 0.1g, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 10000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 1000g x 1mg, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 1000g X 1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 200g x 0.01g, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 200g X 0.01g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 360 x 1mg, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 360 X 1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 4500g x 0.01g, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 4500g X 0.01g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 6000g x 0.1g, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 6000g X 0.1g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 6000g x 0.01g, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 6000g X 0.01g, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 600g x 1mg, External Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 600g X 1mg, External Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

GBT-1003C-Group-GBT Series Balance Brochure

GBT Touchscreen Precision Balance Series - Internal Calibration

GBT-1003C by Globe Scientific is a 1000 g × 1 mg precision balance with internal automatic calibration, a color touchscreen, IR sensor controls, 11 weighing modes, and RS232/USB/Ethernet connectivity. Suited for pharmaceutical QC, GMP-regulated labs, and LIMS-integrated workflows requiring hands-free calibration at 1 mg readability.

Balance, Precision, Touchscreen, 1000g x 1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 1000g X 1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 10100g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 10100g x 0.01g, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 2100g x 0.01g, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 2100g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 3000g x 1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 3000g X 1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 360g x 1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 360g X 1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 4500g x 0.01g, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 4500g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 6000g x 0.01g, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 6000g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 600g x 1mg, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 600g X 1mg, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Balance, Precision, Touchscreen, 8100g x 0.01g, Internal Calibration, 100-240V, 50-60Hz

Balance, Precision, Touchscreen, 8100g X 0.01g, Internal Calibration, 100-240V, 50-60Hz, Includes ISO/IEC 17025:2017 Caibration Certificate

Hematocrit Centrifuge

<h2>What Are Hematocrit Centrifuges?</h2>
&nbsp;
Hematocrit centrifuges (microhematocrit centrifuges) are specialized high-speed instruments that spin sealed capillary tubes of anticoagulated whole blood at 10,000&ndash;15,000 RPM for 3&ndash;5 minutes to measure packed cell volume (PCV)&mdash;the percentage of total blood volume occupied by red blood cells (RBCs). The centrifugal force separates blood into three distinct layers: packed RBCs at the sealed clay end, a thin buffy coat of white blood cells and platelets, and plasma at the open end. PCV is read from the RBC column height using a microhematocrit card reader and expressed as a percentage. Typical adult reference ranges are approximately 41&ndash;53% for males and 36&ndash;46% for females, although laboratories should follow their own validated reference intervals. Manual PCV values obtained by microhematocrit methods may be slightly higher than automated hematocrit measurements because of plasma trapped between packed red blood cells.
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<h2 dir="ltr">What you will find:</h2>
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GCH-24 Hematocrit Centrifuge: High-speed unit with a 24-capillary rotor for precise separation of blood and micro-samples
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<li dir="ltr" style="font-family: helvetica, arial, sans-serif;" aria-level="1">
GCH-24 Hematocrit Centrifuge Accessories: Compatible rotor and accessories for smooth and efficient operation
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</ul>
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<h2>How to Choose a Hematocrit Centrifuge</h2>
&nbsp;
Speed Range and Spin Time
Standard microhematocrit centrifuges operate between 10,000 and 15,000 RPM, with most laboratory protocols using approximately 11,000&ndash;12,000 RPM for complete red blood cell packing. Higher-speed models may reduce processing time to 3&ndash;4 minutes, while standard systems typically use 4&ndash;5 minute cycles. Verify that the selected instrument supports your laboratory's established procedures and validation requirements.
Rotor Capacity
Many hematocrit centrifuges accommodate 24 capillary tubes in a flat grooved rotor, enabling multiple patient samples to be processed simultaneously. Compact or point-of-care models may hold 6&ndash;12 tubes. Confirm compatibility with standard microhematocrit capillary tubes, which are typically 75 mm long with an outer diameter of approximately 1.55 mm.
Safety Cover and Interlock
A secure safety lid with an interlock mechanism is an important feature, preventing rotor operation while the cover is open. Capillary tube breakage during high-speed operation can create biohazardous exposure risks, so splash-resistant materials and easy-to-clean surfaces support routine laboratory safety and maintenance procedures.
Timer and Brake Control
An integrated timer helps maintain validated spin durations and supports consistent PCV measurements. Controlled deceleration minimizes disturbance of the packed red blood cell layer after centrifugation. Laboratory personnel should always allow the rotor to stop according to the manufacturer's instructions rather than manually slowing the system.
Capillary Tube Compatibility
Verify that the rotor accepts both heparinized and plain 75 mm capillary tubes sealed with clay. Some instruments are optimized for specific tube dimensions or manufacturers, making compatibility checks important when purchasing replacement consumables or third-party supplies.
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<h2>Specifications Context</h2>
&nbsp;
The standard microhematocrit method uses 75 mm capillary tubes with approximately 1 mm internal diameter and 1.55 mm outer diameter, sealed with clay and centrifuged according to validated laboratory procedures. Heparinized tubes are commonly used for direct capillary blood collection, while plain tubes are used with anticoagulated venous blood specimens. Laboratories should follow applicable CLSI guidance and their own standard operating procedures when establishing test protocols.
Manual PCV measurements obtained by microhematocrit methods may include a small amount of trapped plasma, producing slightly higher values than automated hematology analyzers that calculate hematocrit using red blood cell count and mean corpuscular volume (MCV). In veterinary medicine, hematocrit centrifuges remain widely used because they require minimal blood volume and provide rapid diagnostic information. Modern systems frequently include digital timers, brushless motors, and enhanced safety interlocks to support reliable routine operation.
Choose the best hematocrit centrifuge for your lab today. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact the expert team </a>at Molecular Biology Products Inc. now and book the perfect match.

User Manual

Flyer

GCH-24-Group-Equipment Catalog

GCH-24 Hematocrit Centrifuge

GCH-24 by Globe Scientific is a hematocrit centrifuge with a 24-capillary rotor, 200–14,000 rpm speed range, 18,620 × g maximum RCF, LCD programmable display, pulse mode, and automatic rotor detection. Suited for PCV/HCT determination, micro-separation, and capillary-tube blood analysis in clinical, veterinary, and research labs.

Speed

Maximum RCF

Speed Accuracy

Run Time

Power

Display

Acceleration Time

Braking Time

Dimensions (WxDxH)

Weight

Certifications

Centrifuge, Hematocrit, 24-place, 120v, 60Hz, US Plug (includes: 24-Place Hematocrit Rotor Kit with Lid and Reading Disk Lid)

Centrifuge, Hematocrit, 24-Place, 230v, 50Hz, UK, Plug (includes: 24-Place Hematocrit Rotor Kit with Lid and Reading Disk Lid)

Centrifuge, Hematocrit, 24-Place, 230v, 50Hz, EU Plug (includes: 24-Place Hematocrit Rotor Kit with Lid and Reading Disk Lid)

GCH-24 Hematocrit Centrifuge Accessories

Hematocrit Rotor for use with GCH Series Hematocrit centrifuge, 24 place, includes lid and reading disk, 12000rpm max

Rotor for use with GCH-24 Series Hematocrit Centrifuges, with Lid, Fixing Clips and O-Ring, 14000rpm max, 24-Place for 1.5mL and 2.0mL Microcentrifuge Tubes

United States

Texas

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