Insulation Tester
Electrical Specifications
31
Short circuit current
1535 >2mA
1537 >5 mA
Table 13. V ac / V dc / Resistance Measurement (1537 Only)
Function Range Resolution
Accuracy
±(% reading + Digits)
V ac 0 V to 600.0 V 0.1 V
±(2 % +10)
(45 Hz to 500 Hz)
V dc 0 V to 600.0 V 0.1 V ±(2 % +10)
Resistance
0 Ω to 600.0 Ω 0.1 Ω
±(2 % +10)600 Ω to 6000 Ω 1 Ω
6.00 kΩ to 60.00 kΩ 10 Ω
Table 14. Operating Ranges and Uncertainties per EN 61557
Function Display Range
EN 61557
Measurement
Range Operating
Uncertainty
±(% reading +
Digits)
Nominal Values
V
EN 61557-
1
[1]
0 V ac to 600 V ac
45 Hz to 500 Hz
0 V ac to 600 V ac
±(2 % +10 digits)
UN = 230/400 V ac
f = 50/60 Hz
RISO
EN 61557-2
0 kΩ to 500 GΩ
200 kΩ to 500 GΩ
±20 %
UN = 250 / 500 /
1000 / 2500 V dc
IN = 1.0 mA
[1] 1537 only
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