Digital Earth Resistance Tester

Digital Earth Resistance Tester- KM 1520

• Earth Resistance Measuring range :.

• KM 1520A : 0-40Ω/ 400Ω/ 4000Ω
• KM 1520 : 0-20Ω/ 200Ω/ 2000Ω

• Measure Earth Voltage (VAC) : 0-200VAC (KM 1520); 0-400V (KM 1520A)

• Capable of measuring earth voltage(Vac).

• Operating Temperature & Humidity : 0 ~ 40°C; 80% RH Max.

• Battery operated.

• Storage Temperature & Humidity : -10°C ~ 60°C; 80% RH Max.

• Data Hold function.

• Small and light weight

• IEC 1010 CAT III 200V (KM 1520) & EN61010-1 CAT IV 400V (KM 1520A).

• Measurement Ranges : Model KM 1520 : Earth Resistance : 0-20W/ 0-200W/ 0-2000W Earth Voltage : 0-200V AC (40-500Hz) Model KM 1520A : Earth Resistance : 0-40W/ 0-400W/ 0-4000W Earth Voltage : 0-400V AC (40-500Hz)

• Accuracy : Model KM 1520 : Earth Resistance : ±(2%rdg + 2dgts) or ± 0.1Wwhich is greater. Earth Voltage : ±(1%rdg + 2dgts) Model KM 1520A : Earth Resistance : ±(2%rdg + 3dgts) Earth Voltage : ±(2%rdg + 3dgts)

• Earth Resistance Resolution:Model KM 1520 : 0-20W(0.01W); 0-200W(0.1W); 0-2000W(1W) Model KM 1520A : 0-40W(0.01W); 0-400W(0.1W); 0-4000W(1W)

• Display LCD : Model KM 1520 : 3½ Digit 2000 counts LCD Back-light display. Model KM 1520A : 3¾ Digit 4000 counts LCD Back-light display.

• Measurement System : Earth resistance by constant current inverter 820Hz approx. 2mA