CA-500 Series S/M 2-7 Revised December 2001
2.6 VOLUMETRIC UNIT
2.6.1 Outline
The volumetric unit is used to measure a predetermined volume of sample, reagent, buffer, and rinse.
2.6.2 Specifications/Functions
(1) Drive System
Drive source: Unipolar-type stepping motor (1-2 phase excitation, constant current drive)
Power transmission: Timing belt type
Resolving power: Approx. 0.02 mm/step
Drive speed: Approx. 1300 pps (at high speed in trapezoidal control)
Sensor: For drive unit home position (transmission type) - 1 unit
(2) Syringe System
Piston diameter: 3 mm
Vertical stroke: Approx. 21 mm
Syringe volume: Approx. 151 µL/21 mm
Life: 300,000 cycles
2.6.3 Assembly Diagram
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