Innovative Products for the Optical Laboratory
CM2100A / CM3100 Specifications
Input
Connector - BNC
Current input - Positive or Negative:
0pa - 200ma
Input impedance - Virtual Ground
Input overload protection-
+/- 1A continuous
+/- 30A transient
Input offset- Front panel control,
No screwdriver needed.
Output
Analog output -Amplified channels 1 and 2,
+/- 2 volts full scale corresponding to range selected.
Ratio output - 0 to 1 Volt
Output impedance - 50 ohms:
Short circuit protected
Noise - <1mv on 20na, 200na ranges
<.1mv other ranges
General
Photodiode Amplifier - CM2100
Size - 12.5"x11.75"x4.5"
Weight - 6 lbs (2.7kg)
Operating temperature range - 0 C to 50 C
Power - 120 VAC+/-5%: 47-63Hz, 20 watts
Ratiometer - CM3100
Size - 9.5"x8.5"x4.0"
Weight - 4.4lbs (2kg)
Operating temperature range - 0 to 50 degC
Power - 120 VAC+/-5%, 47-63Hz, 10 watts
Display
Digital - 3 1/2 digit 0.56" Digital Display
(CM3100) has switchable BRIGHT,DIM,TEST and OFF modes
Display (CM3100)- channel 1, 2 or ratio of 1/2
Analog (CM2100a) -
1-1/2" Non backlighted meter
Full scale corresponds to range selected
Performance
Accuracy - +/- 1% all ranges
Stability - +/- one LSB all ranges
Temperature coefficient: 60ppm/deg C
FREQUENCY RESPONSE
Range
Bandwidth
Risetime
Noise
Resolution
200ma
200khz
2usec
100ua
20ma
150khz
3usec
10ua
2ma
100khz
5usec
1ua
200ua
12khz
40usec
100na
20ua
3khz
150usec
10na
2ua
800hz
600usec
<.3mv
1na
200na
120hz
8msec
<1mv
100pa
20na
10hz
40msec
10pa
