40 µL Quartz Counting Cell: Bringing a Channel to the Optics (MQQFC122)
Custom design guide · MQQFC122
A single shallow route links two reservoir regions in a thin quartz plate. Locate the area your optics must observe, then plan the support and two fine end connections around it.
The situations and proposed changes below are planning examples, not completed customer projects.
Selection · Configuration · Structure · Custom version · Fit and use · Drawing · Enquiry
Bring the observation region to the instrument
MQQFC122 is a component for discussing a counting or optical-observation arrangement with a thin sample region. Its 30 × 15 × 4 mm body carries one route between two visible reservoir areas, with fine tubes extending from opposite ends. The nominal path is 0.5 mm and the listed capacity is 40 µL.
Begin with the area the illumination and detector must see. Its position relative to the holder is more useful for selection than a connector choice made in isolation. Particle properties and fluid delivery also affect whether the complete arrangement will suit the method.
The listed configuration
View the selection schematic
How the structure differs from a conventional cell
The bulk chamber becomes a shallow observation route accessed through two end tubes. The 4 mm plate thickness is a structural dimension, separate from the 0.5 mm sample path. Reservoir regions and external tubing also need to be considered when planning filling, flushing and the available sample.
Keep the optical position while reviewing support and tubes
If the observation point is already fixed, mark it along with the illumination direction and allowed support lands. We can review a body or channel change around those datums, without assuming that the whole cell is free to move.
For another tube arrangement, identify the desired direction at each end and how the tubing will be supported. Include medium, particle range and aggregation behaviour where relevant. Tube bore is only one part of the route; it does not establish passage through the full channel and reservoirs.
View a custom-design discussion sketch
Three checks for the proposed setup
- Observed area. Locate the region to be viewed and keep support parts outside it.
- Sample properties. Describe the medium and any particles, not just the nominal volume.
- End connections. Support both fitted tubes without bending or loading the fine quartz connections.
Check filling before evaluating optical counts
Plan observations of bubbles and retained material, followed by the agreed optical and fluid checks for the complete setup. Handle solid outer edges and support attached tubing independently. Cleaning must suit the adhesive-bonded construction and residue. Counting accuracy and operating pressure need method-specific evidence.
What should I send to review compatibility with our detector?
Show the observed region, illumination and detector geometry, stage contacts and permitted cell position. Include sample or particle characteristics and the fluid route. These allow the cell layout to be reviewed against the actual observation task.
Engineering dimension reference
The reference records known external dimensions and configuration notes. Internal geometry, tolerances and operating limits still require a project-specific specification.
Open the engineering reference image
Download MQQFC122 engineering reference R02 (PDF). Illustrative design example; not an actual customer requirement.
Order this configuration or discuss a change
View MQQFC122 specifications and current pricing. Ask about availability and preparation or production time if you have a required delivery date.
For a modified version, attach a dimensioned drawing or labelled sketch. Contact MQ to review feasibility, quantity, inspection scope, price and timing for the proposed design.
Copy a starting brief for your enquiry
Reference SKU: MQQFC122
Observation region and detector sketch attached; support datums ___; sample/particles ___; desired tube route ___; optical/fluid acceptance ___; quantity ___.
Attach your marked drawing and note any required inspection or documentation. Include the destination and target date so preparation, transport and customs can be discussed separately.
Send your sketch and requirements. Identify fixed interfaces and proposed changes.
Configuration and technical references
Configuration source: MQQFC122 configuration information. Listed parameters reviewed 26 October 2026.
Prepared for MachinedQuartz product selection and custom enquiries. MachinedQuartz is a US-based supplier established in New Mexico, USA, in 2026. Contact MQ. Custom cuvette enquiries · More design guides.
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