48
Measuring Range and Tolerances
3.3 Measuring Range and Tolerances
Conditions of
guaranteed
accuracy
Guaranteed accuracy period: 1 year
Guaranteed accuracy period from adjustment made by
Hioki: 1 year
Temperature and humidity for guaranteed accuracy:
23°C±5°C (73°F±9°F), 80% RH or less
Earth
resistance
Range selector ×1
Ω
×10
Ω
×100
Ω
Measurement
range
10
Ω
100
Ω
1000
Ω
Display range 0
Ω
to
11.5
Ω
0
Ω
to 115
Ω
0
Ω
to
1150
Ω
Fiducial value 10
Ω
100
Ω
1000
Ω
Tolerance
(intrinsic
uncertainty A)
±0.25
Ω
(±2.5% f.s.)
±2.5
Ω
(±2.5% f.s.)
±25
Ω
(±2.5% f.s.)
For 2-pole measurement method, only 100
Ω
and 1000
Ω
ranges are applicable.
Effect of
position (E
1
)
Horizontal ±90° Tolerance × 1.0
Effect of
supplied
voltage (E
2
)
6 V to 10 V DC Tolerance × 0.5 but within
the measurement accuracy
Effect of
temperature
(E
3
)
0°C to 40°C Tolerance × 1.0
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