User manual SEFELEC 5x Series 25 v1.06
Insulation resistance
(SEFELEC 1000-M; SEFELEC 56/506-D/S)
Measurement specifications
Programmable volt per volt from
(+) pole of the generator
Dynamic stability for mains ΔV = ±10%: Variation of the
voltage measured
Maximum current in the measurement circuit:
Maximum capacity of the sample measured
< 100 µF (discharge time < 10 sec.)
Resistance measurement range
(Generator Utest/Umax) x 200 GΩ
(or 2 TΩ)
Display with indication of the units kΩ, MΩ, GΩ and TΩ
Accuracy (in % of the reading, 1U = 1 point of display):
Option - 2 TΩ and U <= 200 Vdc
Option - 2 TΩ and U > 200 Vdc
±(1% x U test / 100 + 1U)
Precision mode NORMAL ± 100 kΩ