Hioki IR4055 - Page 67

61
Basic and Accuracy Specications
Insulation Resistance Measurement (continued)
Display update
interval
IR4053, IR4055, IR4056: Within 1.0 s
(no update during response)
IR4057-50: Within 0.6 s (no update during response)
Measurement terminal voltage characteristic
Open-circuit
voltage
1 to 1.2 times of rated measurement voltage
Lower limit
resistance
value to be
maintained rated
measurement
voltage
0.05 M
Ω
0.125 M
Ω
0.25 M
Ω
0.5 M
Ω
1 M
Ω
Rated current 1 mA to 1.2 mA
Short-circuit
current
1.2 mA or less
Response time
IR4053, IR4055, IR4056: Within 1.0 s (with resistance load)
IR4057-50: Within 0.6 s (with resistance load)
Judgment time
IR4053, IR4055, IR4056: Within 0.8 s
(When switching from an open state to 10 times the default
judgment reference value)
IR4057-50: Within 0.3 s
4
1
2
3
5
6
7
付録索引
HIOKI IR4057B961-00