Service manual
122
DISPENSING PUMP
Ceramic piston with PTFE-graphite seal
Piston diameter 8 mm
Displacement 25 mm
Dispensing volume 3 µL - 1250 µL
Resolution 0.126 µL
Fuzziness <1% up to 3 µL
Dispensing speed max. 880 µL/s
Programmable reagent volume 10 µL -440 µL
Programmable sample volume 3 µL - 40 µL
NEEDLE WASHING SYSTEM
System liquid consumption approx. 2.4 ml per preparation
System liquid container volume 3000 ml
Waste container volume 3000 ml
Capacitance waste and water level control
REACTIONS ROTOR AND READING
WELL ROTOR
Semi-disposable extractable methacrylate rotor
Number of wells 120
Accepted reaction volumes 200 µL - 800 µL
Light path length 6 mm
ROTOR THERMOSTATATION SYSTEM
Actuators 4 Peltier cells
Control PID
Working temperature 37°C
Trueness ± 0.2°C
Stability ± 0.1°C
OPTICAL SYSTEM
Halogen lamp 6 V, 10 W
Wavelength selection with compensated interferential lters
Detection system with silicon photodiode and 20-bit AD integrator-converter
Measurement range from -0.05 A to 2.5 A
Reading speed 1.25 readings/s
Maximum number of lters 9
Base conguration of the lter drum 340, 405, 505, 535, 560, 600, 635, 670 nm
Wavelength precision ± 2 nm
Bandwidth 10 ± 2 nm
Digital resolution < 0.0001 A
Base line stability max. 0.004 A in 30 mins, at 505 nm
Repeatability of the reading system ± 0.0005 A to 0.1 A (CV = 0.5%)
(1 SD, 505 nm, with lter movement) ± 0.0003 A to 1.0 A (CV = 0.3 %)
± 0.0005 A to 2.5 A (CV = 0.2 %)
Optical repeatability between wells ± 0.003 A at 340 nm
± 0.002 A to 505 nm, 670 nm
Precision ± 0.005 A to 0.1 A (± 5%)
± 0.015 A to 0.5 A (± 3%)
± 0.02 A to 1.0 A (± 2%)
± 0.04 A to 2.0 A (± 2%)
± 0.05 A to 2.5 A (± 5%) at 340 nm, 405 nm, 505 nm
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