Benchmark Scientific

Orbital Shaker Accessories

<h2>What are orbital shaker accessories?</h2>
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Orbital shaker accessories are the platform attachments and holders that secure specific vessel types to a shaker platform during operation. Erlenmeyer flasks typically require spring-clip clamps that hold the flask securely while allowing unrestricted liquid movement, microplates use dedicated plate holders, tube rack inserts accommodate centrifuge and microcentrifuge tubes, and non-slip mats provide flexible placement for vessels during lower-speed mixing applications.
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<h2>What you will find:</h2>
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<ul>
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Dedicated Flask Platforms: Pre-configured platforms designed to securely hold specific sizes of Erlenmeyer flasks or standard microplates.
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Universal Magnetic Platforms: Versatile, metallic base platforms engineered for instant, tool-free swapping of magnetic clamps and tube racks.
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Magnetic Flask Clamps: Single-size and combo magnetic clamps designed for quick attachment to hold 25ml up to 500ml Erlenmeyer flasks.
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Magnetic Tube Racks: Specially designed magnetic racks to accommodate culture tubes, microplates, and large conical bottles in various orientations.
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</ul>
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<h2>How to choose orbital shaker accessories</h2>
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Select Erlenmeyer flask clamps by flask volume
Flask clamps are designed for specific flask sizes, including 125 mL, 250 mL, 500 mL, 1 L, and larger culture flasks. Each clamp is engineered to fit the dimensions of a particular flask size, ensuring secure retention during shaking.
Confirm compatibility with your shaker platform
Accessory mounting systems vary between manufacturers and shaker models. Before ordering, verify that the clamp, holder, or rack is listed as compatible with the specific orbital shaker platform being used.
Choose a microplate holder suitable for your application
Microplate holders secure standard microplates during incubation and mixing procedures. Different holder designs support different operating speeds and plate formats, making compatibility and intended use important selection criteria.
Use a non-slip platform mat for flexible vessel placement
Non-slip mats provide a simple solution for holding bottles, flasks, trays, and other containers at low to moderate shaking speeds. They are useful when vessel configurations change frequently and dedicated clamps are not required.
Verify tube rack capacity and platform fit
Tube rack inserts are available for common laboratory tube formats, including microcentrifuge tubes and conical centrifuge tubes. Confirm that the rack dimensions fit within the shaker platform and that the rack accommodates the desired number of samples per run.
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<h2>Specifications context</h2>
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Orbital shaker accessories are designed to keep vessels securely positioned while exposed to continuous circular motion. Flask clamps, plate holders, and tube racks should be selected according to vessel dimensions, operating speed, and platform compatibility. Stainless steel spring-clip clamps remain one of the most widely used accessory formats for laboratory culture applications due to their durability and secure retention.
<a href="https://mbpinc.net/contact-us">Conatct helpful team at MBP</a> for a quick customised quote.

MAGic Clamp™ magnetic clamp, 2000ml Erlenmeyer (max. 5)

H1000-MR-2000 by Benchmark Scientific is a MAGic Clamp™ magnetic flask clamp that secures up to 5 × 2000 ml Erlenmeyer flasks on compatible Orbi-Shaker and Incu-Shaker platforms. Stainless steel construction with magnetic no-screw attachment — order at mbpinc.net/quickorder using catalog number H1000-MR-2000.

Manufacture

Cell Counter Accessories

<h2>What Are Cell Counter Accessories?</h2>
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Cell counter accessories are the consumable reagents and replacement components that enable continued, accurate operation of automated cell counters. They fall into three categories: consumable slides (single-use counting chambers loaded fresh for each sample); staining reagents (trypan blue, AO/PI kits, or other viability dyes used to prepare the cell suspension before counting); and instrument maintenance components (calibration beads for verifying counting accuracy, replacement light sources or LED modules, optical cleaning solutions for direct-pipette instruments, and software updates). Counting slides are the dominant consumables by volume and cost, typically used at one slide per sample (two counting chambers per slide provide technical duplicates). Because counting slides are instrument-specific (not interchangeable between brands), procurement must specify the correct instrument model. Third-party slides compatible with certain instruments (Countess-type, TC20-type) are available from alternative suppliers at a lower cost per slide; confirm compatibility and counting accuracy before switching from OEM slides. The two consumables needed for every cell count are a counting slide and a staining reagent; order both in sufficient quantity for your weekly sample volume, and maintain a stock of 4 to 6 weeks of slides to avoid workflow disruptions from supply delays.
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<h2>What You Will Find</h2>
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<ul>
<li>Disposable QuadSlides for accurate and consistent cell counting with QuadCount automated cell counters.</li>
<li>Standard test slides for instrument verification and performance checks.</li>
<li>Barcode scanners for streamlined sample identification and workflow management.</li>
<li>Cell counter accessories designed to support routine operation and maintenance of QuadCount automated cell counters.</li>
</ul>
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<h2>How to Choose Cell Counter Accessories</h2>
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Counting slides: OEM vs. third-party
Original equipment manufacturer (OEM) counting slides are validated for accuracy on the specific instrument and are the safest choice for regulated and research-critical workflows. They typically cost 0.80 to 2.00 USD per slide. Third-party alternative slides (for Countess II-compatible, TC20-compatible, and other common platforms) are available at 0.20 to 0.60 USD per slide, a significant cost reduction in high-frequency counting labs. Before switching to third-party slides, count the same samples on both OEM and third-party slides across a range of densities (1&times;105 to 5&times;106 cells/mL) and viability levels (above 90% and 70 to 80%) to verify equivalent accuracy and viability discrimination.
Trypan blue reagent: concentration and quality
Trypan blue for cell counting is supplied as a 0.4% solution (w/v) in phosphate-buffered saline. Dilute the cell suspension 1:1 with 0.4% trypan blue immediately before counting (resulting in 0.2% trypan blue in the counted mixture). Ensure the trypan blue solution is sterile-filtered (0.2 micron) and stored at room temperature away from light; degraded or contaminated trypan blue causes inconsistent staining intensity, compromising viability discrimination. Some automated cell counters use a proprietary pre-diluted trypan blue optimized for the instrument's imaging algorithm; confirm whether the instrument requires instrument-specific trypan blue or accepts a standard 0.4% solution.
AO/PI viability kits
Acridine orange (AO) and propidium iodide (PI) reagent kits are supplied as ready-to-use or concentrate formulations. AO penetrates all nucleated cells and fluoresces green (excitation 470 to 490 nm, emission 515 to 530 nm); PI enters only cells with compromised membranes and fluoresces red (excitation 530 to 550 nm, emission 610 to 640 nm). AO/PI kits are matched to the fluorescence filter configuration of the specific cell counter; confirm that the instrument has the appropriate excitation/emission channels before specifying a kit. Store AO/PI solutions protected from light; AO is stable for 12 months at 2 to 8 degrees C.
Calibration beads
Calibration bead sets contain fluorescent microspheres at known concentrations and known fluorescence intensities, used to verify that the cell counter's counting algorithm and fluorescence channels are performing within specification. Calibration should be performed at a defined frequency (monthly or quarterly, depending on the laboratory's quality management requirements) and after any instrument relocation, service, or software update. Store calibration beads at 2 to 8 degrees C protected from light; do not freeze.
Direct-pipette instrument cleaning accessories
Cell counters with direct-pipette optical counting surfaces (no disposable slide) require cleaning with manufacturer-specified optical surface cleaning solutions between every sample to prevent carryover. Cleaning kits typically include a low-detergent optical cleaning solution, lint-free optical wipes, and a rinse solution. Follow the manufacturer's cleaning protocol exactly; using inappropriate cleaning agents on the optical surface degrades the surface coating and permanently impairs counting accuracy.
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<h2>Specifications Context</h2>
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Counting slide chamber depth (most commonly 100 micrometers) determines the volume of suspension imaged per frame and affects cell density calculation. A non-standard chamber depth produces systematic counting errors; never use counting slides with unspecified or incorrectly specified chamber depths for quantitative cell density measurements. Trypan blue should not be left in contact with cells for more than 3 to 5 minutes before counting; prolonged exposure causes staining of live cells with compromised membranes from extended trypan contact, artificially reducing apparent viability. Set up the staining step immediately before counting, not in advance.
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Standard Test Slide for QuadCount, pk of 1

The E7500-STS1 by Accuris Instruments is a standard test slide for performance verification of the Accuris QuadCount (E7500) Automated Cell Counter, sold as a single-slide pack. Use it before live cell counting sessions to confirm instrument accuracy and document QC for GLP or SOP compliance. Order via mbpinc.net/quickorder or contact MBP for institutional pricing.