Fluke 1623 Инструкция по эксплуатации онлайн [27/30] 4461

Fluke 1623 Инструкция по эксплуатации онлайн [27/30] 4461
Earth/Ground Tester
Specifications
19
Probe resistance (Rs): max. 100 k
Auxiliary earth electrode resistance
(Rh):
max. 100 k
Monitoring of Rs, and Rh with error indicator.
Measurement is not performed if the current through the current clamp is too
low.
Automatic range selection.
R
A
4- pole selective ground resistance measurement with current clamp
(R
A
A )
Switch
position
Resolution Measuring range Intrinsic error Operating error
Ra 4-pole
A
0.001 ...
10
0.001 ..
19.99 k
±(7% rdg + 3 d) ± (10% rdg + 5 d)
Measuring principle: Current/voltage measurement (with external current
clamp)
Measuring voltage: Um = 48 VAC.
Short-circuit current: > 50 mA
Measuring frequency: 128 Hz (125 Hz on request)
Probe resistance (Rs): max. 100 k
Auxiliary earth electrode resistance
(Rh):
max. 100 k
Monitoring of Rs, and Rh with error indicator.
Measurement is not performed if the current through the current clamp is too low.
Automatic range selection.
Скачать