Omicron CMC 356 - Accuracy of the Analog DC Input

CMC 356 Reference Manual
74
6.11.3 Accuracy of the Analog DC Input
Note: Exceeding the specified input values can damage the measurement
inputs!
Table 6-29:
DC measurement input
Table 6-30:
DC voltage measurement
input
DC Measurement Input IDC
Measurement ranges 0 ... ±1 mA
0 ... ±20 mA
Max. input current 600 mA
Accuracy Typical error
<0.003%ofrg.
1
1
rg. = range, whereat n % of rg. means: n % of upper range value.
Guaranteed error
<0.02%ofrg.
Input impedance
Approx. 15
Ω
Connection 4 mm/0.16 " banana connectors
Insulation Insulation to all other front panel connections.
Reinforced insulation from all SELV interfaces and
from power supply.
Not galvanically isolated from V
DC
.
DC Voltage Measurement Input VDC
Measurement range 0…± 10 V
Max. input voltage ± 11 V
Input impedance
1M
Ω
Max. input current ± 90 mA
Accuracy Typical error
<0.003%ofrg.
Guaranteed error
<0.02%ofrg.
Connection 4 mm/0.16 " banana connectors
Insulation Not galvanically isolated from I
DC