0.05 mm Counting Flow Cell: Locating the Observation Region (MQQFC090)
Custom design guide · MQQFC090
MQQFC090 brings a thin measurement region and two fluid connections into an elongated quartz body. The nominal path is 0.05 mm and capacity is 1 µL. It is a cell component for an optical and fluid setup; detection or counting performance depends on that complete setup.
The situations and proposed changes below are planning examples, not completed customer projects.
Structure and use · Current specifications · Selection details · Proposed changes · Before ordering · Buy or enquire
Bring the observation region to the detector
A proposed counting or optical-observation setup needs the sample to pass through a defined observation region. MQQFC090 brings a thin sample region into the fluid route, so the detector and flow cell must be positioned as one arrangement. This is a component choice, not a complete counting instrument.
Show the intended detector, holder and liquid connections together. The source also gives a 1 mm narrow-channel width: keep that label separate from the 0.05 mm optical path. Neither number establishes particle-size resolution or counting accuracy.
Current MQQFC090 configuration
Open engineering reference R01 and PDF
Source-based dimensions and configuration for discussion. Unconfirmed geometry and tolerances remain to be agreed; this is not a manufacturing-release drawing.
View full-size engineering reference · Download the complete English engineering reference PDF
Budget liquid for the complete circuit
A 1 µL nominal cell capacity does not describe the liquid held in the supply lines or needed to replace and flush a sample. Consider those volumes when deciding whether the arrangement suits a limited sample supply.
A proposed first-use trial should distinguish a fluid-delivery issue from a detection issue: observe filling, bubbles and residue before interpreting the detector response. For particle work, provide the size range and aggregation tendency when discussing the channel. Particle passage, resolution and counting accuracy require validation under the user's method.
Leave the observation area clear
The body is 30 × 8 × 8 mm, excluding the projecting tubes. A holder must locate the cell without obscuring the required observation area. Support the connections separately where needed; their 1.5 mm OD / 1 mm ID dimensions do not identify tube material or a pressure rating.
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Retain the measurement region and revise the connections
If the thin region suits the optical arrangement but the existing ends obstruct installation, mark the connection positions and available space on the holder sketch.
Identify the observation region and holder contacts that must stay fixed, then show the desired connection route around them. Include the sample and operating conditions. We can review the ends, channel and support together without treating a new connection as an interchangeable fitting.
Checks to agree before ordering
- Observation: Locate the channel in the actual beam or field of view and check for holder obstruction.
- Delivery: Assess filling, bubbles, residue and sample exchange using representative media.
- Method and connections: Define counting controls separately, then agree mating dimensions and operating conditions.
Sample and cleaning conditions
Check sample and cleaning liquids against the complete cell, including its bonded seams and any wetted cap or connection. Supply chemical identity, concentration, temperature and contact time. Avoid hydrofluoric acid; strong alkalis, heat and prolonged soaking need specific review. Adhesive-bonded quartz does not provide blanket approval or rejection of organic solvents.
Order this configuration or discuss a change
View MQQFC090 specifications and current pricing. If you need a delivery date, ask about availability and preparation or production time before ordering.
For a modified version, send the brief below with a dimensioned drawing or labelled sketch. We review the proposed configuration and confirm feasibility, quantity, inspection scope, pricing and production time in the quotation.
Copy this custom-enquiry checklist
Reference SKU: MQQFC090
Keep: 0.05 mm target path; detector/observation method and field of view: ____
Sample or particle information, aggregation risk, filling and flushing: ____
End connections, holder contacts, flow/pressure and required checks: ____
Sample and cleaning liquids, concentrations, temperature and contact time: ____
Wavelength, critical tolerances and required inspection/documents: ____
Quantity, required date and destination: ____
Send your sketch and requirements. Mark the features to keep and the changes to assess.
Configuration reference
Configuration reference: MQQFC090 product specifications. Specifications checked 26 October 2026. General principles guide selection; they do not establish measured performance of this cell.
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