Sonel PAT-810, Operation Manuals, Page: 80 / 88

OPERATING MANUAL PAT-810/815/820 version 1.06 78

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 insulation resistance using test voltage of 500V
Test range according to IEC 61557-2 for U
N
= 500 V: 500 k
Ω…599.9
M
Ω
Display range Resolution Measurement uncertainty
(basic)
0 k
Ω
...1999 k
Ω
1 k
Ω

(5 % m.v. + 8 digits)
2,00 M
Ω
...19,99 M
Ω
0,01 M
Ω
20,0 M
Ω
...599,9 M
Ω
0,1 M
Ω
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 M
Ω
Unspeci
fied 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 M
Ω ….9.9 MΩ
with resolution of 0,1 M
Ω

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 object tested
Note: For R <50 k
Ω
, the uncertainty is not specified.
Flash test (only PAT-820)
Display range Resolution Measurement uncertainty
(basic)
0,00 mA...2,50 mA 0,01 mA

(5 % w.m. + 5 cyfr)

measurement voltage: 1500 V AC, 3000 V AC

adjustable measuring time
Ś 2 s…180 s

adjustable upper limit in the range of
Ś 0,01 mA…2,50 mA
with resolution 0,01 mA / 0,1 mA
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... 9.90 mA with resolution of 0.01 mA