SEW 8020ER Digital Earth Resistance Tester

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
Frequency: 820Hz; 0Ω adjustment function
Battery operated. Data hold function
Low battery indication. Calibration performed with supplied test leads
Simplified measurement probe is also provided for two-wire measuring method

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Measuring ranges	Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω
Measuring ranges	Earth voltage 0-200 Vac (40-500Hz)
Accuracy	Earth resistance ±(1.5%rdg+2dgt) or ±0.1Ω, which is greater Earth voltage ±(1%rdg+2dgt)
Earth resistance resolution	0-20Ω : 0.01Ω 0-200Ω : 0.1Ω 0-2000Ω : 1Ω
Testing frequency	820 Hz
Measuring system	Earth resistance by constant current inverter 820Hz approx 2mA.
Display	3½ digit (2000 counts)
0Ω adjustment function	Yes
Open circuit indication	LED will be unlit
Low battery indication	Yes
Data hold indication	Yes
Over range Indication	“1”(MSD)
Dimensions	221(L) x 110(W) x 57(D)mm
Weight (battery included)	Approx. 600g
Power source	1.5V (AA) × 6
Safety standard	IEC/EN 61010-1 CAT IV 200V EN 61557-1 EN 61557-5 EN 61326-1