Product Description

Digital Earth Resistance Tester

Brand: SEW

Model: 8020ER

Country of origin: Taiwan

Country of manufacture: Taiwan

Technical Specification: 

• 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.
• 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.
• 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: Yes
• Open circuit indication: LED will be unlit
• Low battery indication: symbol appears on the display
• Data hold indication: HOLD “symbol appears on the display
• Over range Indication: “1”(MSD)
• Power source: 1.5V (AA) × 6
• Accessories: Instruction manual
• Test leads
• (red-15m, yellow-10m, green-5m)
• Auxiliary earth spikes
• Simplified measurement probe
• Hand strap, Batteries, Carry case
• Dimensions: 221(L) × 110(W) × 57(D)mm
• Weight (battery included): Approx. 600g