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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 (Analogue) Earth Resistance Testers
1805 ER
FEATURES
● High quality Taut Band movement.
● Capable of measuring earth resistance and earth voltage.
● 2mA measuring current permits the testing of earth resistance
without tripping earth leakage current breakers in the circuit under
test.
● Test leads are supplied as standard accessories for simplified
two-wire measuring system.
● Battery operated.
● Battery check function.
● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges
Earth resistance
0-10Ω / 0-100Ω / 0-1000Ω
Earth voltage 0-30 Vac(40-500Hz)
Accuracy
:
Earth resistance ±3% of full scale
Earth voltage ±2.5% of full scale
Measuring system
:
Earth resistance by constant current
inverter 820 Hz, 2mA approx.
Open circuit
indication
:
LED unlit
Dimensions
:
170(L) × 165(W) × 92(D)mm
Weight
(battery included)
:
Approx. 1000g
Power source
:
1.5V(AA) × 8
Safety standard
:
EN 61010-1 CAT III 150V
EN 61326-1
Copyright © 2010 STANDARD ELECTRIC WORKS CO.,LTD. All Rights Reserved