Sonel MPI-520 - Page 61

MPI-520 – USER MANUAL
59
Measurement of resistance with low current
Range
Resolution
Basic uncertainty
0.0...199.9 
0.1 
(3% w.m. + 3 digits)
200...1999 
1 
 Voltage at open terminals: 4…9 V
 Output current < 8 mA
 Audio signal for resistance being measured < 30 ±50%
 Compensation of test leads resistance
Measurement of insulation resistance
Test range according to IEC 61557-2 for U
N
= 50 V: 50 k…250 M
Display range for
U
N
= 50 V
Resolution
Basic uncertainty
0...1999 k
1 k
 (3 % w.m. + 8 digits),
[ (5 % w.m. + 8 digits)] *
2.00...19.99 M
0.01 M
20.0...199.9 M
0.1 M
200...250 M
1 M
* - for WS-03 and WS-04 leads
Test range according to IEC 61557-2 for U
N
= 100 V: 100 k…500 M
Display range for
U
N
= 100 V
Resolution
Basic uncertainty
0...1999 k
1 k
 (3 % w.m. + 8 digits)
[ (5 % w.m. + 8 digits)] *
2.00...19.99 M
0.01 M
20.0...199.9 M
0.1 M
200...500 M
1 M
* - for WS-03 and WS-04 leads
Test range according to IEC 61557-2 for U
N
= 250 V: 250 k…999 M
Display range for
U
N
= 250 V
Resolution
Basic uncertainty
0...1999 k
1 k
 (3 % w.m. + 8 digits)
[ (5 % w.m. + 8 digits)] *
2.00...19.99 M
0,01 M
20.0...199.9 M
0,1 M
200...999 M
1 M
* - for WS-03 and WS-04 leads
Test range according to IEC 61557-2 for U
N
= 500 V: 500 k…2.00 G
Display range for
U
N
= 500 V
Resolution
Basic uncertainty
0...1999 k
1 k
 (3 % w.m. + 8 digits)
[ (5 % w.m. + 8 digits)] *
2.00...19.99 M
0.01 M
20.0...199.9 M
0.1 M
200...999 M
1 M
1.00…2.00 G
0.01 G
 (4 % w.m. + 6 digits)
[ (6 % w.m. + 6 digits)] *
* - for WS-03 and WS-04 leads