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Features: Designed for measuring earth resistance measurements and low resistance conductor resistance, but also measure the soil resistivity and ground voltage. Suitable for measuring earth resistance of various devices and measuring the resistance value of low esistance conductor in the power. Widely used in telecommunications, railways, telecommunications, mining and other fields, is a good choice for electrician enthusiasts. With a large LCD that features backlight, help you see reading clearly. Adopts top grade materials and elements, which ensure excellent accuracy and stability. Specification: Brand: Hold Peak Display type: analog and digital Model: hp-4300 resistance tester Measurement range: 20/200/2000 omh Test voltage: DC0~200V Accuracy grade: 20: + - (2% RDG + 0.1) Control Range: manual Earth resistance range: 20Ω/200Ω/2000Ω Accuracy: 20Ω: ±(2%rdg+0.1Ω); 200Ω/2000Ω ±(2%rdg+3dgt) Earth voltage: DC0~200V Resolution: 0.1V AC voltage test: 1500V Display: 68 * 55mm LCD display with maximum backlight Display: Max Showing "1999" Working temperature: 0-40 degrees Working humidity: < 80% RH Storage temperature: -10 - 50 ° C Response time: about 5 seconds (grounding resistance), about 2 seconds (grounding voltage) Power supply: 6 * 1.5v AA battery (not included) Wide measuring range: grounding resistance: 0 ~ 2000 Ω Voltage: DC0 ~ 200V Material: ABS Size: Approx. 21.8 * 12.2 * 7.5 / 8.58 * 4.80 * 2.95in Weight: Approx. 2955g Package List: 1 * Ground Resistance Tester 5 * Alligator clip 2 * Ground electrode 1 * English user manual