KYORITSU KEW 3021A User Manual

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5
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３．Specification

Applicable standards
IEC 61557-1,2,4
IEC 61010-1, -2-030 Masurement CAT III 600V Pollution degree2
(Location for use: altitude 2000m or less, indoor use)
IEC 61010-031
IEC 60529 IP40
EN 61326-1 (EMC)
EN 50581 (RoHS)

Measuring range and accuracy
<Insulation resistance range>
KEW3021A
Nominal voltage 1000V 500V 250V 125V
Auto Range 0〜4/40/400/2000MΩ
0〜4/40/200MΩ
Open circuit
voltage
Nominal test voltage 100%~120%
Short circuit
current
Within 1.5mA
Nominal test
current
1MΩ 0.5MΩ 0.25MΩ 0.125MΩ
1mA 0%〜＋20%
1
st
effective
measurement
range
0.200〜
1000MΩ
0.200〜
200.0MΩ
0.200〜
40.00MΩ
0.200〜
20.00MΩ
Center scale
range
50MΩ 50MΩ 5MΩ 5MΩ
Accuracy ±(2%rdg＋6dgt)
2
nd
effective
measurement
range
0.110〜0.199MΩ
1001〜
2000MΩ
200.1〜
2000MΩ
40.01〜
2000MΩ
20.01〜
200.0MΩ
Accuracy ±(5%rdg＋6dgt)
Accuracy at 0 Within 6dgt
KEW3022A
Nominal voltage 500V 250V 100V 50V
Auto Range 0〜4/40/400/2000MΩ 0〜4/40/200MΩ
Open circuit
voltage
Nominal test voltage 100%~120%
Short circuit
current
Within 1.5mA
Nominal test
current
0.5MΩ 0.25MΩ 0.1MΩ 0.05MΩ
1mA 0%〜＋20%
1
st
effective
measurement
range
0.200〜
200.0MΩ
0.200〜
40.00MΩ
0.200〜
20.00MΩ
0.200〜
20.00MΩ
Center scale
range
50MΩ 5MΩ 5MΩ 5MΩ
Accuracy ±(2%rdg＋6dgt)
2
nd
effective
measurement
range
0.110〜0.199MΩ
200.1〜
2000MΩ
40.01〜
2000MΩ
20.01〜
200.0MΩ
20.01〜
200.0MΩ
Accuracy ±(5%rdg＋6dgt)
Accuracy at 0 Within 6dgt
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KYORITSU KEW 3021A Specifications

General

Brand	KYORITSU
Model	KEW 3021A
Category	Test Equipment
Language	English