Feature of KM 1520 / KM 1520A Digital Earth Resistance Tester
• Earth Resistance Measuring range :
KM 1520 : 0-20Ω / 200Ω / 2000Ω
KM 1520A : 0-40Ω / 400Ω / 4000Ω
• Measure Earth Voltage (VAC) : 0-200VAC (KM 1520); 0-400V (KM 1520A)
• Low 2mA measuring current permits earth resistance to be tested without tripping
• earth leakage current circuit breakers in the circuit.
• Capable of measuring earth voltage(Vac).
• Auto power off function. The timer operates automatically for about three to five minutes after the”PUSH BUTTON SWITCH” and “Timer ON BUTTON” are pressed together This will keep the test “ON” for about three to five Minutes. Then auto power-off..
• Battery operated.
• Dimensions : 100 x 150 x 45 mm. Appx.
• Weight: 350 gms. Approx
• Accessories: Test Leads, Carrying Case, Manual
• Operating Temperature & Humidity : 0 ~ 40 °C; 80% RH Max.
• Storage Temperature & Humidity : -10 °C ~ 60 °C; 80% RH Max.
• Data Hold function.
• Small and lightweight
• IEC 1010 CAT III 200V (KM 1520) & EN61010-1 CAT IV 400V (KM 1520A).
• Display Back-light
• External probe
• CE-Mark approval
Specification of KM 1520 / KM 1520A Digital Earth Resistance Tester
– Model KM 1520 :
Earth Resistance : 0-20Ω / 0-200Ω / 0-2000Ω
Earth Voltage : 0-200V AC (40-500Hz)
– Model KM 1520A :
Earth Resistance : 0-40Ω / 0-400Ω / 0-4000Ω
Earth Voltage : 0-400V AC (40-500Hz)• Accuracy :
– Model KM 1520 :
Earth Resistance : ±(2%rdg + 2dgts) or ± 0.1Ω which 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 : 0-20Ω (0.01Ω); 0-200Ω (0.1Ω); 0-2000Ω (1Ω)
– Model KM 1520A : 0-40Ω (0.01Ω); 0-400Ω (0.1Ω); 0-4000Ω (1Ω)
• 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
• Low Battery Indication: The “B” symbol appears on the display
• Data Hold Indication: The “DH” symbol appears on the display
• Over Range Indication: “1” (MSD)
• Open Circuit Indication: LED will be unlit
• Power Supply: 1.5 V X 6. Type AA batteries.
• Dimensions : 163(L) X 102(W) X 50(D)mm
• Weight: 480g approx. (battery included)
