Sonel PAT-1 - Page 80

OPERATING MANUAL PAT-1, PAT-2, PAT-2E, PAT-10 version 1.02
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 nominal current: min 1 mA ... 1.4 mA
 adjustable lower limit within the range of 0,1 MΩ...99,9 MΩ with resolution of 0,1MΩ
 adjustable measuring time: 3s…180 s with a resolution of 1s
 detection of a dangerous voltage before commencing a measurement
 discharging the object tested
Note: For R <0,25 MΩ, the uncertainty is not specified.
Measurement of insulation resistance using test voltage of 500V
Test range according to IEC 61557-2 for UN = 500V: 0,50 MΩ…99,9 MΩ
Display range
Resolution
Measurement uncertainty
(basic)
0,00...9,99 MΩ
0,01 MΩ
 (5 % m.v. + 8 digits)
10,0...99,9 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 MΩ
 Accuracy of generated voltage (Robc []  1000*U
N
[V]): -0 % +30 % from the set value
 nominal current: min 1 mA ... 1.4 mA
 adjustable lower limit within the range of 0,1...99,9 MΩ with resolution of 0,1MΩ
 adjustable measuring time: 3s…180s with a resolution of 1s
 detection of a dangerous voltage before commencing a measurement
 discharging the object tested
Note: For R < 0,50 MΩ, the uncertainty is not specified.
Measurement of substitute leakage current
Display range
Resolution
Measurement uncertainty
(basic)
0,01 mA...3,99 mA
0,01 mA
 (5 % m.v. + 2 digits)
4,0 mA...19,9 mA
0,1 mA
Influencing factor
Designa-
tion
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,075 %/ºC
 opening voltage: 25 ... 50V
 internal resistance of the testing device 2kΩ ± 20%
 adjustable upper limit in the range of: 0,01 mA…19,9 mA with resolution of 0.01mA/0.1mA
 adjustable measuring time in the range of: Cont , 5…180s with resolution of 1 s