Omicron CMC 430 - DC measurement input specifications; DC input accuracy (voltage mode); DC input accuracy (current mode)

3.11 DC measurement input
Depending on the configuration in the controlling software or device, the DC measurement input can
measure DC voltages or DC currents.
Characteristic Specification
Current mode
Measurement range 0 ... ±1 mA
0 ... ±20 mA
Typical input resistance 15 Ω
Voltage mode
Measurement ranges 0 ... ±10 V
0 ... ±1 V
0 ... ±100 mV
0 ... ±10 mV
Typical input resistance 1 MΩ
Accuracy in voltage mode
Range Accuracy
±(% of reading + % of range)
Temperature coefficient
±(% of reading + % of range)/°C
beyond 23 °C ± 5 °C
24 hours 1 year 2 years
10 V 0.01 + 0.01 0.03 + 0.01 0.04 + 0.01 0.001 + 0.0003
1 V 0.01 + 0.01 0.03 + 0.02 0.04 + 0.02 0.001 + 0.0003
100 mV 0.01 + 0.02 0.05 + 0.04 0.06 + 0.04 0.001 + 0.0010
10 mV 0.01 + 0.06 0.06 + 0.16 0.07 + 0.16 0.001 + 0.0020
Accuracy in current mode
Range Accuracy
±(% of reading + % of range)
Temperature coefficient
±(% of reading + % of range)/°C
beyond 23 °C ± 5 °C
24 hours 1 year 2 years
20 mA 0.01 + 0.01 0.04 + 0.01 0.05 + 0.02 0.001 + 0.0003
1 mA
Technical data
OMICRON
37