YOKOGAWA MY600 - Page 48

45
IM MY600-01EN
This value is calculated by dividing the rated voltage by
ratedcurrent.Iftheratingis500V,forexample,thelower
limitiscalculatedas500V÷1mA=0.5MΩ.Thatis,an
insulationresistanceof0.5MΩormoreisrequiredto
provide the rated voltage to the instrument.
Rated voltage 50 V 100 V 125 V 250 V 500 V 1000V
Lower limit of
the insulation
resistance to
provide the
rated current of
1 mA
0.05MΩ 0.1MΩ 0.125
MΩ
0.25MΩ 0.5MΩ 1MΩ
Signal input voltage (V)
1000
800
600
400
200
0
1000 V
range
500 V
range
0.5
1 10 100
1200
1000
Insulation resistance (MΩ)
250 V
range
125 V
range
100 V
range
50 V
Range
100
0
200
50
300
250
125
0.05
0.1 0.125
0.25
0.5
150
1 10 100
Signal input voltage (V)
Insulation resistance (MΩ)