OPERATING MANUAL PAT-806 version 1.08
59
Measurement of insulation resistance using test voltage of 500 V
Test range according to IEC 61557-2 for U
N
= 500 V: 500
kΩ…599.9 MΩ
Display range
Resolution
Measurement uncertainty
(basic)
0
kΩ...1999 kΩ
1
kΩ
(5 % m.v. + 8 digits)
2.00
MΩ ... 19.99 MΩ
0.01
MΩ
20.0
MΩ...599.9 MΩ
0.1
MΩ
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0.1
%/ºC
Capacity
E
7
0
% for R ≤ 20 MΩ
unspecified for R> 20 M
Ω
Accuracy of generated voltage (Robc [
]
1000*UN [V]): -0 % +30 % from the set value
nominal current: min 1 mA ... 1.4 mA
adjustable lower limit within the range of 0.1
MΩ ….9.9 MΩ with resolution of 0.1 MΩ
adjustable measuring time: "Cont" mode (continuous measurement) 4
s…3 min with a resolu-
tion of 1 s
detection of a dangerous voltage before commencing a measurement
discharging the object tested
Note:
For R <50 k
Ω, the uncertainty is not specified.
Measurement of substitute leakage current
Display range
Resolution
Measurement uncertainty
(basic)
0.00 mA ... 3.99 mA
0.01 mA
(5 % m.v. + 2 digits)
4.0 mA ... 19.9 mA
0.1 mA
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0.075
%/ºC
opening voltage: 25 V ... 50 V
internal resistance of the testing device 2 k
Ω ± 20 %
adjustable upper limit in the range of: 0.01 mA ... 9.9 mA 0.01 mA with resolution of 0.01 mA
/ 0.1 mA
adjustable measuring time in the range of: Cont , 4 s
…60 s with resolution of 1 s
Measurement of PE leakage current
Note
: In the half-time of the measurement, the meter automatically changes the polarity of the test
socket and as a final result it displays the value of higher leakage current.
Display range
Resolution
Measurement uncertainty
(basic)
0.00 mA ... 3.99 mA
0.01 mA
(5 % m.v. + 2 digits)
4.0 mA ... 19.9 mA
0.1 mA
