SEW 1120 ER Earth Resistance Testers

Description

SEW 1120 ER Earth Resistance Testers

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Features SEW 1120 ER Earth Resistance Testers

• Waterproof: IP54
• 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
• 0Ω adjustment
• Battery operated
• Data hold function
• Low battery indication

Specifications SEW 1120 ER Earth Resistance Testers

Measuring ranges	Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω Earth voltage 0-200 Vac(40-500Hz)
Accuracy	Earth resistance ±(2%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
Measuring system	Earth Resistance by constant current inverter 820Hz approx. 2mA
Display	3½ digit (2000 counts)
0Ω adjustment
Open circuit indication	LED will be unlit
Low battery indication	“” symbol appears on the display
Data hold indication	“” symbol appears on the display
Over range indication	“1”(MSD)
Dimensions	175(L) × 85(W) × 75(D)mm
Weight (battery included)	Approx. 600g
Power source	1.5V (AA) × 8
Safety standards	IEC/EN 61010-1 CAT III 200V IEC 61557-1 IEC 61557-5 EN 61326-1

SEW 1120 ER – Datasheet

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