SEW 8020ER Digital Earth Resistance Tester

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SEW 8020ER 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
  • 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
pdf     SEW 8020 ER Datasheet
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SKU: SEW 8020ER Tags: ,

SEW 8020ER Specifications:

Measuring ranges Earth resistance 0-20Ω / 0-200Ω / 0-2000Ω
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
Weight 1 kg

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