Fluke 1623-2 User Manual

Earth/Ground Tester
Specifications
31
Measurement principle: Current and voltage measurement
Measurement voltage: Um = 48 V ac
Short-circuit current: > 50 mA ac
Meas. frequency: 128 Hz
Probe resistance (R
S
): max 100 kΩ
Auxiliary earth electrode resistance (R
H
): max 100 kΩ
Additional error from R
H
and R
S
: R
H
[kΩ]  R
S
[kΩ]/Ra[Ω]  0.2 %
RA 3-Pole and 4-Pole selective ground resistance measurement with current
clamp (RA )
Resolution Measurement range Accuracy Operating error
0.001 to 10 Ω 0.020 Ω to 19.99 kΩ ±(7% rdg + 3 d) ±(10% rdg + 5 d)
Measurement principle: Current/voltage measurement (with external current clamp)
Measurement voltage: Um = 48 V ac
Short-circuit current: > 50 mA ac
Measurement frequency: 128 Hz
Probe resistance (Rs): max 100 kΩ
Auxiliary earth electrode resistance (Rh): max 100 kΩ
Stakeless ground loop measurement ()
Resolution Measurement range Accuracy Operating error
0.001 to 0.1 Ω 0.020 Ω to 199.9 Ω ±(7% rdg + 3 d) ±(10% rdg + 5 d)
Measuring principle: Stakeless measurement of resistance in closed loops using two current
clamps
Measurement voltage: Um = 48 V ac (primary)
Measurement frequency: 128 Hz
Noise current (I
ext
): max I
ext
= 10 A (ac) (Ra < 20 Ω)
max I
ext
= 2 A (ac) (Ra > 20 Ω)
The information about stakeless ground loop measurements is only valid when used in
conjunction with the recommended current clamps at the minimum distance specified.

Fluke 1623-2 Specifications

General

USB port	Yes
Control type	Buttons, Rotary
Certification	IEC61326-1, CE
Housing color	Black, Yellow
Display digits	1999 digits
Measuring time	6 s
Maximum voltage	48 V
Display technology	LCD
Number of memory records	1500
Storage temperature (T-T)	-30 - 60 °C
Operating temperature (T-T)	-10 - 50 °C
International Protection (IP) code	IP56
Battery size	AA
Battery voltage	1.5 V
Battery technology	Alkaline
Battery life (measurements)	3000
Number of batteries supported	6

Weight and Dimensions

Depth	187 mm
Width	250 mm
Height	133 mm
Weight	1100 g