Fluke 1535 - Page 12

1535/1537
Calibration Manual
8
Short circuit current
1535 . . . . . . . . . . . . . . . . . . . . . . . . . .>2 mA
1537 . . . . . . . . . . . . . . . . . . . . . . . . . .>5 mA
Live circuit warning
Warning Range
>30 V
VAC / VDC / Resistance Measurement (1537 Only)
Function Range Resolution
Accuracy
±(% reading + Digits)
VAC 0 V to 600.0 V 0.1 V
±(2 % +10)
(45 Hz to 500 Hz)
VDC 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
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)
U
N
= 230/400 V ac
f = 50/60 Hz
RISO
EN 61557-2
0 kΩ to 500 GΩ 200 kΩ to 500 GΩ ±20 %
U
N
= 250 / 500 / 1000 / 2500 V dc
I
N
= 1.0 mA
[1] 1537 only
Operating Uncertainties per EN 61557
Parameter Specification Typical
Max
[1]
Intrinsic uncertainty
IEC 61557-2
A, Reference conditions
1.63 % 3.68 %
Position
IEC 61557-2
E1, Reference Conditions ±90 °
2.29 % 5.00 %
Supply Voltage
IEC 61557-2
E2, At low battery voltage stated by
manufacture
2.80 % 6.09 %
Temperature
IEC 61557-2
E3, 0 °C and 35 °C
3.36 % 9.83 %
Operating
Uncertainty
IEC 61557-2
B, ≤30 %
7.30 % 18.17 %
[1] Confidence level: 95 %.