Sonel PAT-1 - Page 79

OPERATING MANUAL PAT-1, PAT-2, PAT-2E, PAT-10 version 1.02
77
 adjustable upper limit in the range of: 0.01Ω …19.99Ω with resolution 0.01Ω
 adjustable measuring time: 3…180s with a resolution of 1s
Measurement resistance of protective conductor I=200mA (only Protection Class I) (only PAT-
10)
Display range
Resolution
Measurement uncertainty
(basic)
0,00 Ω...0,99 Ω
0,01 Ω
(4 % m.v. + 8 digits)
1,00 kΩ...19,99 Ω
(5 % m.v. + 8 digits)
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,1 %/ºC for R ≥ 0,5 Ω
0 %/ºC for R < 0,5 Ω
 unloaded output voltage: 4 ... 12V AC
 Test current: ≥ 200mA for R = 0.2 ... 1.99 Ω
 adjustable upper limit in the range of: 0.01Ω …19.99Ω with resolution 0.01Ω
 adjustable measuring time: 3…180s with a resolution of 1s
Measurement resistance of protective conductor I=10A (only Protection Class I, only PAT-10)
Display range
Resolution
Measurement uncertainty
(basic)
0 mΩ...999 mΩ
0,001 Ω
(4 % m.v. + 6 digits)
1,00 Ω...1,99 Ω
0,01 Ω
Influencing factor
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature
E
3
0,1 %/ºC
 unloaded output voltage: <12V AC
 test current: ≥ 10A for R ≤ 0,1 Ω
 adjustable upper limit in the range of: 0,01 Ω …1,99Ω with resolution 0,01Ω
 adjustable measuring time in the range of: 3…180s with resolution of 1s
Measurement of insulation resistance using test voltage of 250V (only PAT-10)
Test range according to IEC 61557-2 for UN = 250V: 0,25 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