1805 ER 3 Wire (Analogue) Earth Resistance Testers SEW

● 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 test leads are supplied as standard accessories
for simplified two-wire measuring system.
● Battery operated.
● Battery check function.
● Calibration performed with supplied test leads.

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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 820Hz, 2mA approx.
 Open circuit
 LED will be unlit
 Dimensions  170(L) × 165(W) × 92(D)mm
(battery included)
 Approx. 1000g
 Power source  1.5V (AA) × 8 
 Safety standards  EN 61010-1 CAT III 300V
EN 61326-1


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