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3. Specifications
● Measuring Range and Accuracy (at 23±5℃, relative humidity 45-75%)
Insulation Resistance Ranges:(IEC 61557-2)
Nominal Output Voltage
250V 500V 1000V
Measuring Ranges
Open-Circuit
Voltage
Short-Circuit
Current
Nominal Current
Accuracy
0 - 100MΩ
250V DC +20% max.
1.3mA approx
1mA DC min.
at 0.25MΩ
±5% of indicated value
at 0.1MΩ- 10MΩ
±0.7% of scale length at ranges other than above ranges
0 - 200MΩ
500V DC +20% max.
1mA DC min.
at 0.5MΩ
±5% of indicated value
at 0.2MΩ- 20MΩ
0 - 400MΩ
1000V DC + 20% max.
1mA DC min.
at 1MΩ
±5% of indicated value
at 0.4MΩ- 40MΩ
Continuity Test (Resistance Test) Ranges:(IEC 61557-4)
Ranges
Measuring Ranges
x 1Ω
0 - 2Ω
x 10Ω
0 - 20Ω
Open-Circuit Voltage
Measuring Current
Accuracy
Zero Adjustment Range
4 - 9V DC
200mA DC min.
±3% of scale length
0.2Ω min.
Ranges
250V/100MΩ
500V/200MΩ
1000V/400MΩ
Measuring range to keep operating instrumetal uncertainty
Maximum percentage operating instrumetal uncertainty
0.1MΩ - 10MΩ
±30%0.2MΩ - 20MΩ
0.4MΩ - 40MΩ
Ranges
x1Ω
x10Ω
Measuring range to keep operating instrumetal uncertainty
Maximum percentage operating instrumetal uncertainty
0.2Ω - 2Ω
±30%
2Ω - 20Ω
Operating instrumetal uncertainty
Insulation Resistance Ranges(IEC 61557-2)
Continuity Test (Resistance Test) Ranges(IEC 61557-4)
The influencing variations used for calculating the operating instrumental uncertainty are
denoted as follows:
Temperature : 0℃ and 35℃
Supply voltage : 6.5V to 10.4V
Position : Reference position ±90°
※Prior to measurement, apply Zero Adjustment at each position
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