
SEW 1105 ER3 Earth Resistance Tester
SEW 1105 ER3 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 175(L) × 85(W) × 75(D)mm
Weight
(battery included) Approx. 600g
Power source 1.5V (AA) × 8
Safety standards EN 61010-1 CAT IV 30V
EN 61326-1
Tidak ada komentar:
Posting Komentar