CELL-DYN
3000 System Operator’s Manual
1-11
9140240E — May 1995
Chapter 1
System Description
RBC/PLT Metering Assembly
The RBC/PLT metering assembly contains a precision-bore glass tube
with a set of optical detectors, one upper and one lower, mounted on it. It
is used to meter a fixed volume of the RBC/PLT dilution to ensure that an
accurate volume is counted during the RBC/PLT measurement portion of
each cycle.
RBC/PLT Transducer Assembly
The RBC/PLT transducer assembly contains the fluidics and hardware
required for accurate measurement of the diluted red blood cells and
platelets. The primary components of this assembly are:
RBC/PLT aperture plate -The aperture is heat embedded into the
aperture plate, which is inserted into a slot between the two
transducer chambers.
RBC/PLT Transducer - The transducer contains two chambers. The
mixing chamber on the left is used to mix the RBC/PLT dilution.
The counting chamber on the right contains the von Behrens plate
used to prevent cells that have traversed the aperture from
recirculating into the sensing zone.
Electrodes - There are two non-corrosive, electrically conductive
plates, one positively charged and one negatively charged. One
electrode is located in each transducer chamber. The electrodes
conduct a constant current flow through the aperture during the
RBC/PLT measurement portion of each cycle.
HGB Flow Cell Assembly
The HGB flow cell assembly contains the following components:
•
A fully enclosed (light-tight), flow-through glass cuvette
•
An LED light source
•
A bandwidth filter used to obtain the ICSH recommended
wavelength of 540 nm
•
A photodetector for measuring the light transmitted
WBC Transfer Peristaltic Pump
The WBC transfer peristaltic pump is composed of a rotor and a pump
tube holder. It is used to transport the WBC dilution to the WBC flow
cell area.
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Содержание CELL-DYN 3000
Страница 31: ...10 CELL DYN 3000 System Operator s Manual 9140240E May 1995 NOTES Search Go Back Book TOC ...
Страница 265: ...6 10 CELL DYN 3000 System Operator s Manual 9140240E May 1995 Calibration Chapter 6 NOTES Search Go Back Book TOC ...
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Страница 351: ...7 2 CELL DYN 3000 System Operator s Manual 9140240E May 1995 Quality Control Chapter 7 NOTES Search Go Back Book TOC ...
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Страница 387: ...9 6 CELL DYN 3000 System Operator s Manual 9140240E May 1995 Maintenance Chapter 9 NOTES Search Go Back Book TOC ...
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Страница 431: ...10 2 CELL DYN 3000 System Operator s Manual 9140240E May 1995 Troubleshooting Chapter 10 NOTES Search Go Back Book TOC ...
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