Fluke 1623 Datasheet

3 Fluke Corporation 1623 and 1625 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 7 to 10 7 0.001 7 to 19.99 k7 ± (2 % rdg + 3 d) ± (5 % rdg + 3 d)
For 2-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 128 Hz (125 Hz on request)
Probe resistance (R
S
) Max 100 k7
Auxiliary earth electrode resistance (R
H
) Max. 100 k7
Additional error from R
H
and R
S
R
H
[k7]
•••
R
S
[k7]/R
A
[7]
•••
0.2 %
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
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 7 to 10 7 0.001 7 to 19.99 k7 ± (2 % 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 128 Hz (125 Hz on request)
Probe resistance (R
S
+ R
ES
) Max. 100 k7
Auxiliary earth electrode resistance (R
H
) Max. 100 k7
Additional error from R
H
and R
S
R
H
[k7]
•••
R
S
[k7/R
A
[7]
•••
0.2 %
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 7 to 10 7 0.001 7 to 19.99 k7 ± (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 128 Hz (125 Hz on request)
Probe resistance (R
S
) Max. 100 k7
Auxiliary earth electrode resistance (R
H
) Max. 100 k7
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

Fluke 1623 Specifications

General

2-Pole Measurement	Yes
3-Pole Measurement	Yes
4-Pole Measurement	Yes
Data Transfer	USB
Measurement Frequency	128 Hz
Resistance Measurement Range	0.01 Ω to 20 kΩ
Safety Compliance	IEC 61010-1
Display	Digital
Power Supply	6 x AA alkaline batteries
Operating Temperature	0 °C to 50 °C (32 °F to 122 °F)
Storage Temperature	-20 °C to 60 °C (-4 °F to 140 °F)