SEW 2705 ER Earth Resistance Tester
SEW 2705 ER Earth Resistance Tester
SEW 2705 ER 3 Wire Analogue Earth Resistance Tester
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.
● The 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 will be unlit
Dimensions 205(L) × 90(W) × 55(D)mm
Weight
(battery included) Approx. 514g
Power source 1.5V (AA) × 6
Safety standards EN 61010-1 CAT III 30V
EN 61326-1
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