SEW 1620 ER 三线数字式接地电阻测试仪 (4kΩ)

Name: SEW 1620 ER 三线数字式接地电阻测试仪 (4kΩ)
Brand: SEW

有库存: 1 个

制造商SEW(查看更多该品牌的产品)

Model1620 ER

原产地Taiwan

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Measuring ranges: 0~40Ω / 0~400Ω / 0~4kΩ / ±(2%rdg+3dgt)
resolution
0~40Ω : 0.01Ω
0~400Ω : 0.1Ω
0~4kΩ : 1Ω
Measuring Earth voltage: 0~400V /±(2%rdg+3dgt)
Dimensions: 163(L) x 102(W) x 50(D)mm
Weight: 440g
Power source: 1.5V (AA) × 8

FEATURES

● Microprocesser-controlled.
● Measures earth resistance in three ranges : 40Ω, 400Ω, 4kΩ.
● Capable of measuring earth voltage.
● ¾ digit (4000 counts).
● LCD backlight display.
● 2mA measuring current permits the testing of earth
resistance without tripping earth leakage current
breakers in the circuit under test.
● Data hold function.
● Relative function.
● Auto power-off function.
● Low battery indication.
● Calibration performed with supplied test leads.

SPECIFICATIONS

Measuring ranges	Earth Resistance 0~40Ω / 0~400Ω / 0~4kΩ Earth Voltage 0~400V (40~500Hz)
Accuracy	Earth Resistance ±(2%rdg+3dgt) Earth Voltage ±(2%rdg+3dgt)
Earth resistance resolution	0~40Ω : 0.01Ω 0~400Ω : 0.1Ω 0~4kΩ : 1Ω
Measuring system	Earth resistance by constant current inverter 820 Hz, 2mA approx.
Dimensions	163(L) x 102(W) x 50(D)mm
Weight (battery included)	Approx. 440g
Power source	1.5V (AA) x 6
Safety standards	EN 61010-1 CAT IV 400V EN 61326-1 EN 61557-1 EN 61557-5

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