KYORITSU 3321A, Instruction Manual

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Applicable standards
IEC 61557
IEC 61010-1 Measurement CAT.III 600V Pollution degree2
Protection class II
Location for use: altitude 2000m or less
IEC 61010-031
IEC 60529
IP40
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Measuring range and accuracy
<Insulation resistance range>
MODEL3321A
* Heavy-line circular arc on the scale indicates the primary effective
measuring ranges. (guaranteed accuracy range)
MODEL3322A
* Heavy-line circular arc on the scale indicates the primary effective
measuring ranges. (guaranteed accuracy range)
― 4 ―
３．Specification
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
250V
50MΩ
1MΩ
0.05〜20MΩ
within ±5% of indicated value
Measuring ranges other than above, 0 and ∞.
within ±10% of indicated value
within ±0.7% of scale length
0%〜+20% of nominal voltage
1mA 0%〜+20%
within 1.5mA
500V
100MΩ
2MΩ
0.1〜5MΩ
1000V
2000MΩ
50MΩ
2〜1000MΩ
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
125V
20MΩ
0.5MΩ
0.02〜10MΩ
within ±5% of indicated value
Measuring ranges other than above, 0 and ∞.
within ±10% of indicated value
within ±0.7% of scale length
0%〜+20% of nominal voltage
1mA 0%〜+20%
within 1.5mA
250V
50MΩ
1MΩ
0.05〜20MΩ
500V
100MΩ
2MΩ
0.1〜50MΩ