Fluke 1623 2571250 数据表
产品代码
2571250
3 Fluke Corporation 163 and 165 GEO Earth Ground Testers
R
A
3-pole ground resistance measurement (IEC 1557-5)
Switch position
Resolution
Measuring range
Intrinsic error
Operating error
R
A
3-pole
0.001
Ω to 10 Ω
0.001
Ω to 19.99 kΩ
± ( % rdg + 3 d)
± (5 % rdg + 3 d)
For -pole measurements connect terminals H and S with the supplied connector cable.
Measuring principle: Current and voltage measurement
Measuring voltage
Vm = 48 V ac
Short-circuit current
> 50 mA
Measure frequency
18 Hz (15 Hz on request)
Probe resistance (R
S
)
Max 100 k
Ω
Auxiliary earth electrode resistance (R
H
)
Max. 100 k
Ω
Additional error from R
H
and R
S
R
H
[k
Ω]
• • •
R
S
[k
Ω]/R
A
[
Ω]
• • •
0. %
Monitoring of R
S
and R
H
with error indicator
Automatic range selection
Measurement is not performed if the current through the current clamp is too low
Measurement is not performed if the current through the current clamp is too low
R
A
4-pole ground resistance measurement (IEC 1557-5)
Switch position
Resolution
Measuring range
Intrinsic error
Operating error
R
A
4-pole
0.001
Ω to 10 Ω
0.001
Ω to 19.99 kΩ
± ( % rdg + 3 d)
± (5 % rdg + 3 d)
Measuring principle: Current/voltage measurement
Measuring voltage
Vm = 48 V ac
Short-circuit current
> 50 mA
Measuring frequency
18 Hz (15 Hz on request)
Probe resistance (R
S
+ R
ES
)
Max. 100 k
Ω
Auxiliary earth electrode resistance (R
H
)
Max. 100 k
Ω
Additional error from R
H
and R
S
R
H
[k
Ω]
• • •
R
S
[k
Ω/R
A
[
Ω]
• • •
0. %
Monitoring of R
S
, and R
H
with error indicator
Automatic range selection
R
A
3-pole selective ground resistance measurement with current clamp (R
A
)
Switch position
Resolution
Measuring range
Intrinsic error
Operating error
R
A
3-pole
0.001
Ω to 10 Ω
0.001
Ω to 19.99 kΩ
± (7 % rdg + 3 d)
± (10 % rdg + 5 d)
Measuring principle: Current/voltage measurement (with external current clamp)
Measuring voltage
Vm = 48 V ac
Short-circuit current
> 50 mA
Measuring frequency
18 Hz (15 Hz on request)
Probe resistance (R
S
)
Max. 100 k
Ω
Auxiliary earth electrode resistance (R
H
)
Max. 100 k
Ω
Monitoring of R
S
, and R
H
with error indicator
Automatic range selection
Measurement is not performed if the current through the current clamp is too low
Measurement is not performed if the current through the current clamp is too low