Cooper Instruments & Systems DCM 433 Current Bridge Amplifier - Manual (Page 3)

CF 26 3 4/2001
Specifications
NOTE: Unless otherwise noted, specifications apply after one hour warm up at 25°C ambient. Temperature
coefficients apply between 0°C and 55°C ambient.
Isolation
Input to Output
700 VDC
60pF
Amplifier
Gain
Adjustment
Range
Input 4-20mA Output
5 mV to 50 mV
Linearity ±0.01% of Full Scale
Temperature Stability 50 PPM (0.005%/°C)
Input Noise
.1 Hz to 10 Hz 2µV P-P
Tare Adjustment Range
Bridge Offset
-3 mV to +25 mV
(Equals 80% F.S. of 3 mV/V cell)
Input Resistance
Differential and Common Mode 1000 megaohm
Common Mode Rejection, DC 100 dB minimum
Common Mode Input +5 Volts
Output
0 or 4 mA Zero Adjust
Temperature
Coefficient 1 µA/°C
Current Output Span 4 to 20 mA or 0 to 20 mA
Compliance Voltage -1 to +20 Volts
Current -1 mA to +20 mA
Loop Resistance 0 to 1000 ohms
Frequency Response, -3dB 10 Hertz, 2 Pole Roll Off
Response Time
Rise Time 10% to 90%
To 0.1% of Final Value
35 ms
100 ms
Bridge Supply
Voltage Adjustment Range
5 to 10 Volts
Temperature Coefficient 100 PPM Typical
Fixed 10.2V ±2.5%
Temperature Coefficient 60 PPM Typical
Load Current 0 to 120 mA
Regulation - Load and Line 0.02% maximum
Output Noise
120 Hz Bandwidth 1 mV RMS, Maximum
Power Input 115 VAC, ±10V 50/60 Hz @7 VA
Optional 220 or 230 VAC, ±10%
Line Isolation
Capacitance
60 pF
Dielectric Withstand 1100 Volts RMS
Environment
Ambient Operating -25°C to +55°C
Storage -25°C to +85°C
Weight 18 oz. (510 grams)
Size
3.75” L x 2.0” W x 2.87” H
(9.53 cm x 5.1 cm x 7.62 cm)