Sonel PAT-80, User Manual

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PAT-80
● PAT-85 ● PAT-86 – USER MANUAL
84
13.3 Measurement of insulation resistance
Measurement of insulation resistance using test voltage of 100 V
Test range according to IEC 61557-2 for U
N
= 100 V: 100 kΩ…99.9 MΩ
Range Resolution Basic uncertainty
0 k
Ω...1999 kΩ
1 k
Ω

(5% m.v. + 8 digits)
2.00 M
Ω...19.99 MΩ
0.01 M
Ω
20.0 M
Ω...99.9 MΩ
0.1 M
Ω
Influencing factor Designation Additional uncertainty
Position E
1
0%
Supply voltage E
2
0%
Temperature E
3
0.1% / ºC
Capacitance E
7
0% for R
≤ 20 MΩ
Unspecified for R > 20 M
Ω

accuracy of generated voltage (R
load
[
Ω]

1000*U
N
[V]): -0+30% from the set value

nominal current: max. 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: 3 s…3 min with a resolution of 1 s and option
Continuous test

detection of a dangerous voltage before commencing a measurement

discharging the tested object
For R < 100 k
Ω the uncertainty is not specified.
Measurement of insulation resistance using test voltage of 250 V
Test range according to IEC 61557-2 for U
N
= 250 V: 250 kΩ…199.9 MΩ
Range Resolution Basic uncertainty
0 k
Ω...1999 kΩ
1 k
Ω

(5% m.v. + 8 digits) 2.00 M
Ω...19.99 MΩ
0.01 M
Ω
20.0 M
Ω...199.9 MΩ
0.1 M
Ω
Influencing factor Designation Additional uncertainty
Position E
1
0%
Supply voltage E
2
0%
Temperature E
3
0.1% / ºC
Capacitance E
7
0% for R
≤ 20 MΩ
Unspecified for R > 20 MΩ

accuracy of generated voltage (R
load
[

]

1000*U
N
[V]): -0%+30% from the set value

nominal current: max. 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: 3 s…3 min with a resolution of 1 s and option
Continuous test

detection of a dangerous voltage before commencing a measurement

discharging the tested object
For R < 250 k
Ω the uncertainty is not specified.