YERTAI YTE2150 Digital Earth Tester 200Ω Insulation Resistance Detector Ground Resistance Meter Earth Ground Resistance Tester Measure AC Voltage to 600V with Backlight Display YTE2100 series earth resistance tester is a professional instrument for testing earth resistance of electrical equipment. Adapting intelligent micro-control chip, with high precision and high reliability, this device can be used to measure the grounding resistance value of various power systems, power equipment, lightning protection equipment and other grounding devices, and measure the grounding AC voltage as well. Features: Adapting LCD screen with backlight display. Auto range switch between measurement of voltage and resistance. Data retention and storage functions (100 sets of data). Equipped with Lithium battery, or powered by 5V/1A power adapter directly (Charging). Over range indication: "OL" appears when over the upper. Specifications: Plug: EU / US / UK (Optional) Model: YTE2150 Material: ABS Ground Resistance: Range: 20Ω, 200Ω Accuracy: ±2%rdg ±5dgt, ±2%rdg ±3dgt Resolution Rate: 0.01Ω, 0.1Ω, 1Ω Open Circuit Voltage: around 50V Frequency: around 820Hz Measuring Current: 20Ω, around 3mA (AC) AC Voltage: Range: 20V, 200V, 600V Accuracy: ±2%rdg ±5dgt Resolution: 0.01V, 0.1V, 1V Input Impedance: 1MΩ Frequency: 50~1000Hz Power Supply: Lithium-ion battery (3.7V, 1500mAh) or 5V/1A power adaper Charging Port: Type-C, 5V Display: LCD display Working Environment: 0℃~40℃, relative humidity: ＜75%RH Overload Protection: Ground Resistance Range: 600V AC (10S)                                   Ground Voltage Range: 750V AC (30S) Withstand Voltage: ACV 1500V connected to the equipment housing for 1 mins with no burn Item Size: 153 * 102 * 45mm / 6.02 * 4.01 * 1.77in Item Weight: 323g / 0.71lb Package Weight: 2188g / 4.82lb Package Size: 33.5 * 14 * 28.5cm / 13.18 * 5.51 * 11.22in Package List: 1 * Earth Resistance Tester 1 * Green Testing Cables 5m 1 * Yellow Testing Cables 10m 1 * Red Testing Cables 15m 2 * Ground Spike 1 * Type-C USB Line 1 * Crocodile Clip 1 * 5V/1A Charger Adapter 1 * User Manual (English)