56
* Effect of temperature (E
3
) is applicable to the operating temperature
range other than 18°C to 28
q
C.
Insulation Resistance Measurement
1st effective
measuring range
2nd effective
measuring range
Other measuring
range
Effect of tem-
perature (E
3
)*
±4%rdg.
(0°C to 50°C)
±8%rdg.
(0°C to 50°C)
±2%rdg.±6dgt.
(0°C to 50°C)
±8%rdg.(less than
-25°C to 0°C,
50°C to 65°C)
(Model IR4051
and IR4052 only)
±16%rdg.
(less than -25°C to
0°C, 50°C to 65°C)
(Model IR4051
and IR4052 only)
±4%rdg. ±12dgt.
(less than -25°C to
0°C, 50°C to 65°C)
(Model IR4051
and IR4052 only)
Effect of
humidity
±4%rdg. and
within allowance
±8%rdg. and
within allowance
±2%rdg.±6dgt.
Effect of
external
magnetic
field
±2.4%rdg.
Effect of
power sup-
ply (E
2
)
±4%rdg. and
within allowance
±8%rdg. and
within allowance
±2%rdg.±6dgt.
within allowance
Effect of
position (E
1
)
N/A
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