Accuris Instruments

Liquid Handling Accessories

<h2>What Are Liquid Handling Accessories?</h2>
&nbsp;
Liquid handling accessories are the consumable and supporting components that influence accuracy, reproducibility, and contamination control in manual and automated pipetting workflows. These include disposable pipette tips, reagent reservoirs, tip racks and reload systems, and pipette stands or holders.
Accessory quality directly affects performance in liquid handling systems, as poorly fitted tips or inappropriate reservoirs can reduce accuracy and increase variability regardless of instrument capability.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Pipetting heads (1&ndash;20 &micro;L): for low-volume precision dispensing
</li>
<li dir="ltr" aria-level="1">
Pipetting heads (5&ndash;200 &micro;L):&nbsp;for varied liquid handling tasks
</li>
<li dir="ltr" aria-level="1">
Pipetting heads (100&ndash;1000 &micro;L):&nbsp;<a href="https://mbpinc.net/pipetting-head-for-automate-100-1000ul"></a>for higher volume applications
</li>
</ul>
&nbsp;
<h2>How to Choose Liquid Handling Accessories</h2>
&nbsp;
Tip Type Selection Standard tips are suitable for routine aqueous transfers. Filter tips are recommended for PCR, RNA work, and biohazardous samples to prevent aerosol contamination. Low-retention tips are ideal for viscous or low-volume applications where sample loss must be minimized.
Volume Range and Compatibility Always match pipette tips to the pipette&rsquo;s specified volume range. Incorrect sizing can lead to poor sealing and reduced accuracy. Ensure compatibility with your pipette brand where required for calibrated performance.
Reagent Reservoir Selection Polypropylene reservoirs are preferred for chemical resistance and solvent compatibility, while polystyrene reservoirs are suitable for aqueous applications requiring clear visibility. Low dead-volume designs improve reagent efficiency in high-cost assays.
Sterility Requirements Use sterile or gamma-irradiated consumables for cell culture, molecular biology, and any workflows where contamination control is critical. Non-sterile options are suitable for general laboratory use.
Quality and Certification For molecular biology applications, choose accessories certified RNase-free, DNase-free, and pyrogen-free. Always verify certificates of analysis for regulated or high-precision workflows.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Liquid handling accessories are manufactured to meet standardized SBS/SLAS dimensions for compatibility with manual pipettes and automated liquid handling systems. Proper selection of tips, reservoirs, and consumables ensures consistent liquid transfer performance across different platforms.
Using high-quality, application-matched accessories helps reduce variability, improve reproducibility, and maintain reliable performance in research, clinical, and biotechnology workflows.
Start getting reliable results using MBP liquid handling accessories. <a href="https://mbpinc.net/contact-us">Contact now</a> with expert team of Molecular Biology Products Inc. (MBP) and book yours today.

Pipetting head for AutoMATE™, 1-20ul

MP9600-20PH by Accuris is the 1–20 µL interchangeable pipetting head for the AutoMATE™ MP9604 96-channel workstation. Uses air-displacement across 96 simultaneous pistons for low-volume transfers in NGS, qPCR, and low-volume ELISA workflows. Swappable with MP9600-200PH and MP9600-1000PH heads on the same MP9604 instrument.

Manufacture

Pipetting head for AutoMATE™, 100-1000ul

MP9600-1000PH by Accuris is the 96-channel, 100–1,000 µl interchangeable pipetting head for the AutoMATE™ Pipetting Workstation (MP9604). It delivers simultaneous 96-channel liquid handling with accuracy ≤2.5% at 100 µl and ≤1.0% at 1,000 µl, and is interchangeable with the 1–20 µl and 5–200 µl heads on the same workstation. Suitable for ELISA plate setup, NGS library normalization, and cell-based assay dispensing.

Pipetting head for AutoMATE™, 5-200ul

MP9600-200PH by Accuris Instruments is a 5–200 µl 96-channel pipetting head for the AutoMATE™ automated pipetting workstation. Accuracy is ≤ 1% at 100–200 µl and ≤ 5% at 5 µl; precision (CV) is ≤ 0.4% at 200 µl. The head is interchangeable with other AutoMATE™ pipetting heads for different volume ranges on the same instrument platform.

Chemicals

<h2>What is Chemicals as a reagent category?</h2>
&nbsp;
Chemicals covers the broad range of chemical and biochemical reagents used across molecular biology, cell biology, biochemistry, and general laboratory work: biochemically relevant compounds like vitamins, buffer salts, amino acids, and enzyme substrates; general laboratory chemicals including solvents, acids, bases, and inorganic salts; and research-grade specialty chemicals for specific applications. Unlike application-specific categories such as Epigenetics or Electrophoresis, which organize reagents by research workflow, Chemicals organizes by the nature of the material itself.
&nbsp;
<h2 dir="ltr">What you'll Discover:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/biochemical-reagents" title="Biochemical Reagents:">Biochemical Reagents:</a> High-quality metabolic inducers such as IPTG (G116), L-Arabinose (A2001-ZYM), and Cumate (CH065), along with essential buffers and enzyme stabilizers like TRIS (CH059), DTT (G025), and PMSF (G034).
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/inorganic-reagents-and-compounds" title="Inorganic Reagents &amp; Compounds:">Inorganic Reagents &amp; Compounds:</a> Ultra-pure essential chemical substances like Sodium Azide (CH052) designed for accurate laboratory buffer enhancement and sample conservation methodologies.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/reagents/chemicals/detergents-and-surfactants" title="Detergents &amp; Surfactants:">Detergents &amp; Surfactants:</a> Enhanced cell lysis and denaturing agents featuring 20% SDS (CH100) and concentrated 10X Tris-Glycine-SDS Buffer (CH125) for protein electrophoresis setup.
</li>
</ul>
&nbsp;
<h2>How to navigate Chemicals</h2>
&nbsp;
Start with Biochemical Reagents for biologically relevant compounds
Biochemical Reagents covers the subset of the catalog most relevant to molecular and cell biology workflows: vitamins and cofactors, buffer salts and ready-to-use buffer solutions, amino acids, and other compounds with specific roles in biological systems.
Check purity grade requirements before ordering a research chemical
Research-grade chemicals vary in purity from technical grade to ACS-certified, HPLC-grade, and molecular biology grade, with the appropriate grade depending on how the chemical is used; cell culture and enzymatic applications generally require higher purity than non-biological analytical or general lab use.
Confirm whether your chemical needs are better served by a specialty category
Some research chemicals belong more naturally in application-specific sections of the catalog, such as chromatin immunoprecipitation buffers in Epigenetics or gel running buffers in Electrophoresis, while general-purpose chemicals and biochemical reagents not tied to a single workflow type belong in this Chemicals branch.
Consider bulk ordering for high-consumption research chemicals
Common research chemicals like buffer salts, solvents, and vitamins are used in large quantities by active research labs, and bulk pricing can represent meaningful savings on frequently replenished reagents.
Look for certificates of analysis when accuracy matters for your application
Quantitative applications, including analytical standards, enzyme kinetics studies, and defined cell culture supplementation, require chemicals with documented lot-specific purity and concentration, typically confirmed by certificate of analysis provided with each lot.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Research-grade purity designations for laboratory chemicals follow widely adopted convention systems including ACS grade (meets American Chemical Society purity specifications), HPLC grade (verified purity for chromatographic applications), and molecular biology grade (certified free from nuclease, protease, and other activities that would interfere with molecular biology applications). As of 2026, pre-made, ready-to-use solutions for common biochemical reagents like PBS, HEPES buffer, and Tris-HCl continue to see growing adoption over powder or concentrated formats in labs prioritizing convenience and reproducibility over reagent cost per use.
<a href="https://mbpinc.net/contact-us">Reach out to the friendly team at MBP</a> now to get a quote for your particular research needs.

QuickSilver™ Powdered Buffer Packs-QuickSilver Instruction Insert

QuickSilver™ Powdered Buffer Packs-QuickSilver Brochure

QuickSilver TAE Buffer Powder, 100 pouches

QuickSilver Tris-Glycine-SDS Buffer Powder, 50 pouches

QuickSilver PBS Buffer Powder, 100 pouches

QuickSilver PBS-T Buffer Powder, 100 pouches

QuickSilver TBS Buffer Powder, 100 pouches

QuickSilver TBS-T Buffer Powder, 100 pouches

QuickSilver Buffer Powders

QuickSilver™ Powdered Buffer Packs

Accuris QuickSilver™ Powdered Buffer Packs … Fresh buffer, when you need it.\r\nPremeasured pouches make 1 liter of 1X buffer solution\r\nJust empty pouch into water and stir – no diluting of stock solutions\r\nNo pH adjustment necessary\r\nQuality and consistency guaranteed\r\nNuclease and protease free\r\nLong shelf life

Manufacturer

Dispenser Syringe Tips

Flyer

3920S-Group-RV-Pette PRO Brochure

RV-Pette PRO Dispenser Syringe Tips, Sterile

3920S by Globe Scientific — certified sterile RV-Pette PRO™ dispenser tips, 0.05 mL per stroke. RNase-free, DNase-free, ATP-free, pyrogen-free. Box of 100. For non-sterile workflows, see SKU 3920. Available from MBP Inc. worldwide.

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 0.05mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 0.1mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 0.2mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 0.5mL, CS/2000

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 1.0mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 1.25mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 2.5mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 5mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 10mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 12.5mL, CS/1600

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 25mL (1 Red Adapter Included), CS/400

RV-Pette PRO Dispenser Tip for Repeat Volume Pipettors, Certified, Sterile, 50mL (1 Gray Adapter Included), CS/400

Laboratory Aspirator Accessories

<h2>What Are Laboratory Aspirator Accessories?</h2>
&nbsp;
Laboratory aspirator accessories are the consumable and replacement components that keep a benchtop vacuum aspirator operating safely and efficiently. These include hydrophobic/antibacterial in-line filters, 2-liter polycarbonate collection bottles with overflow protection, silicone tubing, and handheld aspiration tools with adapters.
The in-line filter is the most critical safety component, acting as the primary barrier between biohazardous waste and the vacuum pump. Tubing and collection bottles are regularly replaced to maintain performance and prevent contamination or leaks during operation.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Hydrophobic filters: for controlling contamination and system protection</li>
<li>Single-channel adapters: for precise aspiration tasks</li>
<li>Multi-channel adapters: for higher performance output</li>
<li>Handheld vacuum controllers: for controlled liquid removal</li>
<li>Silicone tubing sets: for flexible connection of the system</li>
<li>Quick disconnect kits: for easy setup and maintenance</li>
<li>Collection bottles: with lids for safe liquid storage</li>
<li>Silicone O-rings: for secure sealing and preventing leaking</li>
</ul>
&nbsp;
<h2>How to Choose Laboratory Aspirator Accessories</h2>
&nbsp;
In-Line Filter Replacement
Replace the in-line filter immediately if it becomes wet, discolored, or saturated. A compromised filter can no longer block aerosols effectively and may allow contamination to reach the pump system. Always use OEM-compatible filters to ensure proper fit and hydrophobic performance.
Collection Bottle Condition
Inspect collection bottles regularly for cloudiness, cracks, or malfunctioning overflow valves. Replace bottles that show wear or damage to maintain safe waste containment. Avoid using solvents that may degrade polycarbonate material.
Tubing Integrity
Silicone tubing should remain flexible and free from kinks or permanent deformation. Replace tubing when it becomes stiff, damaged, or no longer forms secure connections. Autoclaving is typically supported, but repeated use may require periodic replacement.
Handpiece and Adapter Selection
Ensure handpieces and adapters match your application needs. Standard tip adapters are used for general aspiration, while fine stainless-steel capillary tips are required for microplate and precise liquid removal tasks.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Modern laboratory aspirator systems use oil-free vacuum pumps with adjustable pressure ranges, hydrophobic in-line filters, and overflow-protected collection bottles to ensure safe and reliable liquid handling. These systems are widely used in cell culture, clinical workflows, and general laboratory applications.
Routine replacement of consumables such as filters, tubing, and bottles is essential for maintaining performance, preventing contamination, and extending instrument lifespan. Using manufacturer-approved accessories ensures compatibility and consistent operation.
 Grab the best quality laboratory aspirator accessories today. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> Contact the expert team </a> of Molecular Biology Products (MBP) now.

Silicone O-ring for Aspire PC Collection Bottle

The V0020-SG by Benchmark Scientific is a replacement silicone O-ring for the 2 L polycarbonate collection bottle lid of the Aspire Laboratory Aspirator (V0020 and V0020-E). Replace when vacuum hold is reduced or the O-ring shows visible wear. Direct OEM replacement part. Sold individually. Compatible with V0020-BOT collection bottle. Pair with V0020-F1 hydrophobic filter replacement for full preventive maintenance.

Prestained Protein Ladders

<h2>What are prestained protein ladders?</h2>
&nbsp;
Prestained protein ladders are protein molecular weight standards in which each protein band carries a covalent colored dye, typically coupling most bands in blue with two specifically colored bands, often green around 25 kDa and red around 75 kDa, that serve as easily visible reference anchors for quick orientation. Because the dye is visible without staining, the ladder is used to monitor protein migration in real time during SDS-PAGE and, critically, to verify that protein bands have transferred from the gel to the PVDF, nitrocellulose, or nylon membrane before antibody incubation in western blotting.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">PureView&trade; Prestained Protein Ladder for clear visualization of&nbsp; bands in SDS-PAGE</li>
<li dir="ltr" role="presentation">SmartCheck&trade; Tri-color Extended Range Plus Protein Marker for broad coverage of protein size&nbsp;</li>
<li dir="ltr" role="presentation">Opti-Protein Marker for accurate molecular weight estimation of proteins</li>
<li dir="ltr" role="presentation">Opti-Protein XL Marker for wider range analysis of proteins&nbsp;</li>
<li dir="ltr" role="presentation">Opti-Protein Ultra Marker for efficient protein separation workflows</li>
</ul>
&nbsp;
<h2>How to use prestained protein ladders</h2>
&nbsp;
Load prestained ladders directly from the tube without preparation
Most modern prestained protein ladders are supplied in gel loading buffer and are ready to load directly without heating, dilution, or addition of reducing agent, since modifying the formulation can cause dye dissociation or protein aggregation. Following the manufacturer's specific note about preparation avoids introducing variability.
Confirm the ladder's kDa range brackets your target protein's expected molecular weight
Match your target protein's expected size to the ladder's coverage: a mid-range ladder (10&ndash;180 kDa) suits most antibody targets in typical western blot experiments, while a broad-range (10&ndash;245 kDa) or extra-broad (3.5&ndash;260 kDa) ladder is needed when the target protein is very large.
Use the colored reference bands for quick gel and blot orientation
Colored reference bands at fixed kDa positions, typically green at 25 kDa and red at 75 kDa, allow you to orient the ladder pattern on the gel or membrane at a glance without counting all bands from the well, making it fast to identify the bands bracketing your target protein.
Check the manufacturer's MW table calibrated for your specific SDS-PAGE buffer system
Pre-stained ladder proteins have apparent molecular weights that differ depending on the SDS-PAGE buffer system used, such as Tris-Glycine versus Bis-Tris MOPS or MES, because the buffer's pH and composition affect SDS binding and protein charge. Using the manufacturer's annotated molecular weight values calibrated for your specific buffer gives more accurate sizing than a generic table.
Verify western blot transfer by confirming the prestained bands are visible on the membrane
After transfer, all or most prestained ladder bands should be visible on the blot membrane; missing or faint bands in a particular region indicate incomplete transfer in that molecular weight zone, guiding troubleshooting before antibody incubation and detection.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Prestained protein ladders are loaded at approximately 3&ndash;5 &micro;l per lane for gel visualization during SDS-PAGE, or at 1.5&ndash;2.5 &micro;l per lane for western blot transfer, since less ladder per lane is needed for adequate band visibility on the membrane than for gel visualization. As of 2026, ready-to-load prestained protein ladder formats supplied pre-formulated in SDS-PAGE loading buffer that require no heating, dilution, or reducing agent remain the dominant format for routine SDS-PAGE and western blotting, since preparation-free direct loading eliminates one class of user handling errors.
<a href="https://mbpinc.net/contact-us">Contact the helpful team at Molecular Biology Products Inc. (MBP)</a> and find the best prestained protein ladders for your next experiment.

SmartCheck™ Tri-color Extended Range Plus Protein Marker, 13 bands 9-245 kDA, 2x250µl

SmartCheck™ Tri-color Extended Range Plus Protein Marker, 13 bands 9-245 kDA, 2x250ul

SmartCheck™ Tri-color Extended Range Plus Protein Marker (PR5013-TC) by MBP is a pre-stained, ready-to-use SDS-PAGE protein size standard with 13 bands, 9&ndash;245 kDa, and three colors for enhanced reference points. Load 5 &mu;l per lane; no preparation needed. Supplied as 2&times;250 &mu;l (100 lanes). Store at &minus;20&deg;C.

Laboratory Balances Accessories

Tweezers for Calibration Weights

W1000-TF Tweezers for Calibration Weights are precision forceps for safe, contamination-free transfer of OIML and ASTM calibration weights. Skin oil and moisture from direct hand contact can shift mass readings beyond permissible tolerance — these tweezers prevent that. Specified for use with all precision and analytical balance calibration routines, including USP &lt;41&gt; and ISO 17025 procedures.

Liquid Handling

<h2>What Is Automated Liquid Handling?</h2>
&nbsp;
Automated liquid handling refers to laboratory equipment and systems that perform liquid transfer, dispensing, aspiration, and mixing tasks with minimal manual intervention. These solutions help improve accuracy, reduce repetitive strain, increase throughput, and minimize variability between operators. The category includes laboratory aspirators, electronic pipettes, multi-channel liquid handling workstations, and advanced robotic platforms designed for applications such as PCR setup, ELISA, cell culture, serial dilutions, and next-generation sequencing workflows.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/equipments/automated-liquid-handling/microplate-pipetting-station">Microplate Pipetting Station:</a> Automation in pipetting systems for precise, high-performance liquid dispensing in microplate experiments.</li>
<li><a href="https://mbpinc.net/equipments/automated-liquid-handling/laboratory-aspirator">Laboratory Aspirator:</a> Efficient liquid removal systems featuring vacuum aspirators for the safe handling of waste and cell culture applications.</li>
<li><a href="https://mbpinc.net/equipments/automated-liquid-handling/liquid-handling-accessories">Liquid Handling Accessories:</a> A variety of reservoirs, adapters, pipetting heads, and tubing designed to enhance the flexibility and accuracy of your hardware.</li>
</ul>
&nbsp;
<h2>How to Choose Automated Liquid Handling Equipment</h2>
&nbsp;
Define the Task: Removal vs. Transfer
Determine whether your workflow requires liquid removal or precise volume transfer. Laboratory aspirators are designed for media changes and supernatant removal, while liquid handling systems provide accurate dispensing, mixing, and sample preparation capabilities.
Volume Range and Channel Count
Select equipment based on the required volume range and throughput. Single-channel systems are suitable for lower-volume tasks, while multi-channel and robotic workstations support high-throughput applications involving microplates and large sample sets.
Biosafety Cabinet Compatibility
For cell culture and biological workflows, choose compact systems that fit comfortably within biosafety cabinets without restricting airflow or workspace accessibility. Quiet operation and appropriate accessory layouts can further improve usability.
Consumable and Maintenance Requirements
Consider the ongoing costs associated with filters, tubing, collection bottles, disposable tips, and other consumables. Evaluating long-term maintenance requirements helps determine the total cost of ownership for automated liquid handling equipment.
Workflow Integration
Many automated liquid handling systems can integrate with other laboratory instruments such as thermal cyclers, plate readers, and centrifuges. Confirm compatibility if your laboratory requires multi-step automated workflows or future expansion capabilities.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Automated liquid handling systems cover a broad range of laboratory applications, from simple aspiration tasks to complex high-throughput sample preparation workflows. Modern designs emphasize precision, reproducibility, ergonomic operation, and compatibility with a wide variety of laboratory vessels and consumables.
Routine maintenance, proper calibration, and the use of manufacturer-approved accessories help ensure reliable performance and extend equipment lifespan. These technologies continue to play an important role in improving efficiency and standardization across research, clinical, and biotechnology laboratories.
Want to see what your lab looks like without pipetting errors? <a href="https://mbpinc.net/contact-us">Contact the expert team</a> at Molecular Biology Products Inc. (MBP) to find the perfect solution for your lab.

Automated Liquid Handling

AutoMATE™ Reagent reservoir, 195mL, pack of 5

AutoMATE Reagent reservoir, 195mL, pack of 5

Analytical Balance Accessories

<h2>What Are Analytical Balance Accessories?</h2>
&nbsp;
Analytical balance accessories are components, tools, and consumables that support accurate measurement, maintain instrument calibration, reduce environmental interference, and enable regulatory-compliant documentation. They fall into several categories: calibration weights (certified reference masses used for external calibration and periodic performance verification); environmental control accessories (anti-vibration tables, isolation pads, and leveling wedges that stabilize the balance against floor and building vibrations); electrostatic control (ionizers that neutralize static charge that causes powders, small particles, and light samples to be attracted or repelled from the pan); and operational consumables (weighing papers, weighing boats, and disposable dishes that protect the pan from contamination while providing a hygienic surface for sample placement). Analytical balance accessories are partially instrument-specific (draft shield panels, printer interface cables, density determination kits) and partially universal (calibration weight sets, ionizers, anti-vibration mats). The two accessories most commonly needed immediately after purchasing an analytical balance are a certified calibration weight set for external verification and an anti-vibration table or isolation mat; without these, balance accuracy cannot be independently verified, and readings may drift due to floor vibration.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="10nhecv" data-start="314" data-end="393">Precision vacuum gauges for accurate monitoring of laboratory vacuum systems.</li>
<li data-section-id="1cb1bnt" data-start="394" data-end="476">Piezo rough vacuum gauges with isolated sensors for reliable vacuum measurement.</li>
<li data-section-id="cvv92h" data-start="477" data-end="576">Vacuum gauges with real-time analytics for continuous vacuum monitoring and process optimization.</li>
<li data-section-id="1ufl7k2" data-start="577" data-end="682" data-is-last-node="">Vacuum measurement accessories suitable for laboratory, analytical, and vacuum processing applications.</li>
</ul>
&nbsp;
<h2>How to Choose Analytical Balance Accessories</h2>
&nbsp;
Calibration weight sets: OIML class and weight range
Calibration weights for analytical balances must be traceable to national measurement standards (NIST in the USA, PTB in Germany, NPL in the UK). OIML (Organisation Internationale de Metrologie Legale) weight classes define accuracy: E1 and E2 weights are the highest accuracy for calibrating reference balances and high-precision semi-micro instruments; F1 weights are the standard class for calibrating analytical balances (readability 0.1 mg to 1 mg); F2 weights are suitable for precision balances with 1 mg to 10 mg readability. ASTM classes (Class 1, 2, 3) are broadly equivalent to OIML E2, F1, F2, respectively. Specify a weight set covering the full capacity range of the balance (e.g., 1 mg to 200 g for a 200 g capacity analytical balance) for both single-point and multi-point calibration.
Anti-vibration tables and isolation mats
Anti-vibration tables use pneumatic, spring, or viscoelastic isolator pads between a heavy granite or steel top plate and a fixed base to attenuate floor vibrations from 2 Hz to 100 Hz. Granite surface plates (50 to 100 kg) provide both a level, vibration-absorbing surface and thermal mass. For labs where a full anti-vibration table is impractical, anti-vibration mats (viscoelastic foam or gel pads, 30 to 50 cm x 30 to 50 cm) placed under the balance provide meaningful isolation from bench vibrations at a lower cost. Confirm the isolator's frequency range covers the primary vibration frequencies in the lab environment (typically 4 to 20 Hz from building HVAC and 2 to 5 Hz from elevator/vehicle traffic).
Anti-static ionizers
Static charge on powder samples, weighing papers, and small vessels is a common cause of weighing errors in analytical balances; charged particles are attracted to or repelled from the pan and the draft shield walls, producing systematic and variable weighing errors. Anti-static ionizers (ion blower bars or hand-held ionizing guns) emit balanced positive and negative ions that neutralize static charge on the sample, pan, and vessel. Place the ionizer inside or adjacent to the draft shield; allow 10 to 30 seconds for ion equilibration before reading the balance. Particularly important for weighing pharmaceutical powders, polymer granules, and any sample prone to triboelectric charging.
Draft shield panels and accessories
Replacement draft shield panels (glass or polycarbonate) are needed when a panel is broken or scratched. Additional draft shield accessories include glass draft shield extension tubes for weighing tall vessels, balance pan brackets for density determination, and draught-proof covers for transport. Confirm that the panel format, dimensions, and sliding mechanism are specific to the balance model and generation.
Density determination kits
Density determination kits attach to the balance and allow measurement of the density of solids and liquids by Archimedes' principle, weighing the sample first in air, then suspended in a liquid of known density, and calculating density from the buoyancy difference. The kit typically includes a suspension assembly, a beaker holder, and a sinker weight for liquids. Density determination is used in material characterization, polymer QC, pharmaceutical tablet analysis, and gemological evaluation.
&nbsp;
<h2>Specifications Context</h2>
&nbsp;
Calibration weights should be stored in padded, labeled containers and handled only with tweezers or clean, lint-free gloves to prevent fingerprint oils and contamination from altering their mass. Even E2 and F1 weights require recertification at defined intervals (typically annually for GLP environments) by an accredited calibration laboratory to maintain traceability. When selecting calibration weights for a 0.1 mg analytical balance, confirm the weight set includes small denominations (1 mg, 2 mg, 5 mg, 10 mg) for low-mass calibration points, in addition to the full range. Weighing papers should be lint-free, chemical-resistant (compatible with the samples being weighed), and sized to fit within the pan area.&nbsp;
&nbsp;
To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Serial Printer for Accuris Series Dx and Tx balances

W3130 by Accuris/Benchmark Scientific is an external printer accessory for compatible Accuris balances, enabling direct paper printout of weighing results for GLP/GMP documentation and audit trails.

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.
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<h2>Specifications Context</h2>
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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.
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To discuss product availability or get selection guidance,&nbsp;<a href="https://mbpinc.net/contact-us">contact the MBP team</a>.

Accuris™ Analytical Balance Dx Series Accessories

Series Dx Balance Specifications

Accuris™ Analytical Balance Dx Series

W3101A-120 by Accuris Instruments is a 120 g analytical balance with 0.0001 g (0.1 mg) readability, Electromagnetic Force Restoration (EFR) technology, and Quik-Cal™ internal automatic calibration for GLP-compliant lab workflows. The backlit dot matrix LCD, glass draft shield, and waterproof control panel are standard on the Dx Series.

Analytical Balance, series Dx, internal calibration, Graphical Display, 120gx0.0001g, 230V

Analytical Balance, series Dx, internal calibration, Graphical Display, 220gx0.0001g, 230V

Analytical Balance, series Dx, internal calibration, Graphical Display, 120gx0.0001g, 115V

Analytical Balance, series Dx, internal calibration, Graphical Display, 220gx0.0001g, 115V

Compact Anti Static Ionizer

W3120 by Benchmark Scientific (Accuris) is a compact anti-static ionizer (115/230V, approx. 15×15×15 cm) that emits balanced positive and negative ions to neutralize static charge on analytical balance samples and containers. An optional blower enables rapid static discharge or can be switched off for powder work.