Hioki Analog MO HiTESTER Series - Page 95

35
Chapter 3 Specifications
索引
4
3
2
1
7
6
5
10
9
8
Model
IR4082
Insulation Resistance measurement
Rated measurement
voltage (DC)
125 V 250 V 500 V
Maximum effective
indicated value
100 M
Center scale value 2 M
1st effective
measuring range
0.1 M to 50 M
2nd effective
measuring range
0.01 M  to 0.1 M
50 M to 100 M
Lower limit measurement
resistance value to be
maintained rated
measurement voltage
0.125 M 0.25 M 0.5 M
Continuous operating
time
Approx. 15 hours (Measured when measurement
terminal intervals are opened in the 500 V Range)
AC resistance measurement
Measurement Range ×1 ×10
Display Value Effective Resistance Value
Maximum effective
indicated value
110  1100 
Measuring range 2 to 110  20 to 1100 
Accuracy ± 3  ± 30 
Graduation Interval 2 
20

Reactance Allowance
Range
12  or less (Distance to common earth used: approx. 500 m)
At Measurement Frequency
Open Circuit Voltage 38 Vpk
Measurement Current 2.36 mArms ± 0.13 mArms
Frequency range 575 Hz ± 10 Hz
Measurement Current
Waveform
Sine wave
Effect of temperature ± 3  ± 30 
Effect of position ± 3  ± 30 
Effective Earth Voltage 14.2 Vpk
Effect of Earth Voltage
0.5 Vrms or less
Within product specification
0. 5 to 10 Vrms
± 3  ± 30 
(for DC or 50/60 Hz sine waves)
Effect of Voltage (in the
Battery Effective Range)
±1.5 and within
specification allowance
±15and within
specification allowance
Magnetic field
interference
(400A/m)
± 1.5  ± 15 
Measurement Range ×1 ×10