Specification - KYORITSU 3321A Instruction Manual

３．Specification
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Applicable standards
IEC 61557
IEC 61010-1 Measurement CAT.III 600V Pollution degree2
IEC 61010-031
IEC 60529
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Measuring range and accuracy
<Insulation resistance range>
MODEL3321A
Nominal voltage
Max. effective scale value
Mid-scale value
Accuracy in primary
effective measuring ranges
Accuracy in primary
effective measuring ranges
Accuracy at 0 and ∞
Accuracy at no-load
voltage
Nominal current
Short-circuit current
* Heavy-line circular arc on the scale indicates the primary effective
measuring ranges. (guaranteed accuracy range)
MODEL3322A
Nominal voltage
Max. effective scale value
Mid-scale value
Accuracy in primary
effective measuring ranges
Accuracy in primary
effective measuring ranges
Accuracy at 0 and ∞
Accuracy at no-load
voltage
Nominal current
Short-circuit current
* Heavy-line circular arc on the scale indicates the primary effective
measuring ranges. (guaranteed accuracy range)
Protection class II
Location for use: altitude 2000m or less
IP40
0.05∼20MΩ
Measuring ranges other than above, 0 and ∞.
0.02∼10MΩ
Measuring ranges other than above, 0 and ∞.
250V
50MΩ 100MΩ
1MΩ
0.1∼5MΩ
within ±5% of indicated value
within ±10% of indicated value
within ±0.7% of scale length
0%∼+20% of nominal voltage
1mA 0%∼+20%
within 1.5mA
125V
20MΩ 50MΩ
0.5MΩ
0.05∼20MΩ
within ±5% of indicated value
within ±10% of indicated value
within ±0.7% of scale length
0%∼+20% of nominal voltage
1mA 0%∼+20%
within 1.5mA
― 4 ―
500V 1000V
2000MΩ
2MΩ 50MΩ
2∼1000MΩ
250V 500V
100MΩ
1MΩ 2MΩ
0.1∼50MΩ