Fluke 183 - DC Voltage Characteristics; DC Voltage Range, Resolution, and Accuracy

183 & 185
Users Manual
34
Table 5. DC Voltage Characteristics
Characteristic Description
Settling time 3 readings (typical)
Reading rate 5,000 ct.: 4 readings per second
50,000 ct.: 1 reading per second
Rejection ratio
Common mode 120 dB at DC or 50 Hz or 60 Hz
Normal mode 60 dB at 50 Hz or 60 Hz
Input impedance 10 MΩ (typical)
Table 6. DC Voltage Range, Resolution, and Accuracy
Resolution Accuracy
1
Range
5,000
counts
50,000
counts 183 185
0.5 V 100 µV 10 µV
5 V 1 mV 100 µV
50 V 10 mV 1 mV
500 V 100 mV 10 mV
±(0.07% + 1
count)
± (0.05% + 1
count)
1000 V 1 V 100 mV
Temperature coefficient Add (0.005% + 0.1 ct.)/°C to accuracy
beyond rated temperature range.
1
Accuracy in 50,000-count mode is % + 10 counts.