Sonel PAT-806-IT, User Manual

Page: 67 / 76

PAT-806-IT
– USER MANUAL
65
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 Basic uncertainty
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 Basic uncertainty
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