Fluke 183 - AC Current Range, Resolution, and Accuracy; Resistance ( ) Characteristics

183 & 185
Users Manual
38
Table 12. AC Current Range, Resolution, and Accuracy
Resolution Accuracy
1,2
Range
5,000
Counts
50,000
Counts 183 185
0.5 mA 100 nA 10 nA
5 mA 1 µA 100 nA
50 mA 10 µA1 µA
500 mA 100 µA 10 µA
5 A 1 mA 100 µA
10 A for 3 minutes
(15 A for 30 sec.)
Allow 10 minutes
of cooling
between
measurements
10 mA 1 mA
40 Hz – 1 kHz:
± (0.6% + 2 counts)
1 kHz – 5 kHz:
± (7.5% + 2 counts)
Temperature coefficient Add (0.05% + 0.1 ct.)/°C beyond rated
temperature range.
1
Accuracy in 50,000-count mode is % + 20 counts.
2
> 5% of range.
Table 13. Resistance (Ω) Characteristics
Characteristics Description
Update rate 5,000 ct.: 2 readings per second
50,000 ct.: 1 reading per second
50 MΩ: 1 reading per second
Settling time 50 Ω to 5 MΩ range: 3 readings (typical)
50 MΩ range: 4 readings (typical)
Compliance voltages (typical) 0.6 V (50 Ω and 500 Ω range is 1.3 V)
Common mode rejection ratio 60 dB at DC, 50 Hz, or 60 Hz
Normal mode rejection ratio 20 dB at ≥ 50 Hz