Electrical Measurement Specifications - Fluke 1623 Datasheet

Electrical measurement specifications

Intrinsic error or influence
quantity
Intrinsic error
Position
Supply voltage
Temperature
Series interference voltage
Resistance of the probes and
auxiliary earth electrodes
System frequency
System voltage
Operating error
A = intrinsic error
En = variations
R = routine test
T = type test
Measuring
Range Display Range
0.020 to 0.001 to 2.999
300 k 3.00 to 29.99
30.0 to 299.9
0.300 k
3.00 k to 29.99 k
30.0 k to 299.9 k
Measuring time
Additional error because of probe-and auxiliary earth
electrode resistance
Measuring error of RH and RS
Max. probe resistance
Max. auxiliary earth electrode resistance
Automatic check if error is kept within the limits required by IEC61557-5.
If after a measurement of probe-, auxiliary earth electrode- and earthing resistance, a measurement error of higher than 30 % is assumed because of the influencing
conditions (see diagram), the display shows a warning symbol
7 Fluke Corporation 1623 and 1625 GEO Earth Ground Testers
Reference conditions or specified
operating range
Reference conditions
Reference position ± 90°
At the limits stated by the
manufacturer
0 °C and 35 °C
See 4.2 and 4.3
0 to 100 x R but 50 k
A
99 % to 101 % of the
nominal frequency
85 % to 110 % of the nominal voltage
Resolution
0.001
0.01
0.1
to 2.999 k 1
10
100
and a notice that R
!
Requirements or test in
Designation accordance with the relevant
code parts of IEC 1557
A Part 5, 6.1
E1 Part 1, 4.2
E2 Part 1, 4.2, 4.3
E3 Part 1, 4.2
E4 Part 5, 4.2, 4.3
E5 Part 5, 4.3
E7 Part 5, 4.3
E8 Part 5, 4.3
Part 5, 4.3
Instrinsic Error
± ( 2 % of rdg + 2 digit )
typ. 8 sec. with a fixed frequency
30 sec. max. with AFC and complete cycle of all measuring frequencies
typ. 10 % of R + R + R
E S H
1 M
1 M
or R are too high.
S H
Type
of test
R
R
R
T
T
T
T
T
R
Max. Operating Error
± ( 5 % of rdg + 5 digit )