Fluke 377 - Power Management; Auto Power Off Functionality; Backlight Operation

Clamp Meter
Performance Tests
9
N
DC Volts
-570 V -576.2 V -463.8 V
-50 V -51 V -49 V
0 V -0.5 V 0.5 V
50 V 49 V 51 V
570 V 463.8 V 576.2 V
-950 V -964.5 V -935.5 V
950 V 935.5 V 964.5 V
0.000 mV -0.5 mV 0.5 mV
500 mV 494.5 mV 505.5 mV
-500 mV -505.5 mV -494.5 mV
D
Resistance
0 Ω -0.5 Ω 0.5 Ω
570 Ω 563.8 Ω 576.2 Ω
5700 Ω 5638 Ω 5672 Ω
57 kΩ 56.38 kΩ 57.62 kΩ
D
Capacitance
10 μF9.5 μF 10.5 μF
95 μF 93.65 μF 96.35 μF
950 μF 936.5 μF963.5 μF

DC Amps (with 50-turn coil)
0.2 A 9.3 A 10.7 A
10 A 440.5 A 459.5 A
18 A 955 A 995 A
-18 A -995 A -955 A
-10 A -459.5 A -440.5 A
-0.2 A -10.7 A -9.3 A
k
AC Amps (with 50-turn coil)
0.2 A @ 45 Hz 9.3 A 10.7 A
9 A @ 66 Hz 440.5 A 459.5 A
19.5 A @ 60 Hz 955 A 995 A
k
AC Current
Frequency
3 A @ 45 Hz 44.275 Hz 45.725 Hz
9 A @ 66 Hz 65.17 Hz 66.83 Hz
19.5 A @ 440 Hz 437.3 Hz 442.7 Hz
Table 2. Performance Tests (cont.)
Test (Switch Position)
Calibrator
Output
Readout Limit
Low High