SEW 4105 ER Earth Resistance Tester
SEW 4105 ER Earth Resistance Tester
SEW 4105 ER 3 Wire Analogue Earth Resistance Tester
FEATURES
● 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.
● In addition to facilitating for precision measurement,
test leads for simplified two-wire measuring system
also are supplied as standard accessories.
● Battery operated.
● Battery life indicator.
● Calibration performed with supplied test leads.
SPECIFICATIONS
Measuring ranges Earth resistance
0-12Ω / 0-120Ω / 0-1200Ω
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 250(L) × 190(W) × 110(D)mm
Weight
(battery included) Approx. 1500g
Power source 1.5V (AA) × 8
Safety standards EN 61010-1 CAT III 300V
EN 61326-1
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