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STANDARD ELECTRIC WORKS CO.,LTD.
MEASURE WITH PRECISION
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Earth Resistance Testers
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3 Wire (Digital) Earth Resistance Testers
1620 ER
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.
● 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
Measurement
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
Copyright © 2010 STANDARD ELECTRIC WORKS CO.,LTD. All Rights Reserved