3 specifications – Bio-Rad CHEF-DR II System User Manual
Page 5

1.3 Specifications
These specifications pertain to the complete CHEF-DR II system. A system including
the Model 1000 Mini Chiller is also available.
CHEF-DR II Specifications
Drive Module
Dimensions
26 (depth) x 43 (width) x 14 (height) cm
Construction
Aluminum chassis
Weight
7.8 kg
Maximum voltage
250 VDC
Maximum current
500 mA
Electrode potentials
Dynamically regulated (feedback adjustment)
+/- 0.5%
Input voltage range
90-132 VAC/47-63 Hz/0.7 amps (maximum)
198-264 VAC/47-63 Hz/0.35 amps (maximum)
Fuses
0.5 amp Fast Blow for high voltage output (front panel)
1.0 amp Slow-Blow (100/120 V) or
0.5 amp Slow-Blow (220/240 V)
Environmental
Operating
50 °F (10 °C) to 90 °F (32 °C) temperature 30-80%
humidity
Storage
32 °F (0 °C) to 140 °F (60 °C) temperature 10-90%
humidity
Control Module
Dimensions
13.5 (depth) x 31 (width) x 17 (height) cm
Maximum current
500 mA
Allowable voltage gradients
0.6 - 6 V/cm, in 0.1 V/cm increments
Data entry
Keyboard
Power supply
250 V maximum, to allow maximum gradient of
6 V/cm,continuously adjustable
Functional
Switching range
0.1 sec to 65,000 sec (all electronic switching)
Maximum program blocks
2, with automatic execution
Maximum run time
999 hours per block
Input voltage range
90-132 VAC/47-63 Hz/1.7 amps (maximum)
198-264 VAC/47-63 Hz/0.85 amps (maximum)
Fuses
2.0 amp Slow-Blow (100/120 V) or
1.0 amp Slow-Blow (220/240 V)
Environmental
Operating
50 °F (10 °C) to 90 °F (32 °C) temperature 30-80%
humidity
Storage
32 °F (0 °C) to 140 °F (60 °C) temperature 10-90%
humidity
Electrophoresis cell
Dimensions
43 (depth) x 44 (width) x 11 (height) cm, horizontal format
Construction
Acrylic
Lid
Safety interlocked
Weight
8.5 kg
Electrodes
24, platinum (0.01 inch diameter)
Temperature monitoring
Via precision temperature probe mounted through lid
(optional)
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