Hioki IR4055, Instruction Manual

Page: 61 / 82

57
Measurement functions
4.3 Measurement functions
Accuracy guarantee for temperature and humidity:
23°C±5°C (73°F±9°F), 90% RH or less
Insulation Resistance Measurement
Rated
measurement
voltage (DC)
50 V 125 V 250 V 500 V 1000 V
Effective maximum
displayed value
100 M
Ω
250 M
Ω
500 M
Ω
2000 M
Ω
4000 M
Ω
Medium displayed
value
2 M
Ω
5 M
Ω
10 M
Ω
50 M
Ω
100 M
Ω
1st effective
measuring
range [M
Ω
]
0.200 to
10.00
0.200 to
25.0
0.200 to
50.0
0.200 to
500
0.200 to
1000
Accuracy
(Limit deviation
tolerance)
±2% rdg. ±2 dgt. (Model IR4055: ±4% rdg.)
2nd effective
measuring range
[M Ω ]
10.1 to
100.0
25.1 to
250
50.1 to
500
501 to
2000
1010 to
4000
Accuracy
(Limit deviation
tolerance)
±5% rdg. (IR4055: ±8% rdg.)
Other measuring
range [M
Ω
]
0 to 0.199
Accuracy
(Limit deviation
tolerance)
±2% rdg. ±6 dgt.
4
1
2
3
5
6
7
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