Specification Brand : Bnineteenteam BulletPoint1 : [Test A Variety of Grounding Systems] This meter accurately measures the grounding resistance of power systems, electrical equipment, rods, and more. BulletPoint2 : [Enhanced Functionality and Reliability] With improved circuitry and technology, this tool offers higher accuracy and is designed for outdoor use with a dust-proof and -proof structure. BulletPoint3 : [Included Accessories for Easy Use] Comes with testing wires and necessary accessories for added convenience during testing processes. BulletPoint4 : [Advanced Features for User Safety] Features like an lcd display, overvoltage , data retention, and low battery warning ensure and reliable operation. BulletPoint5 : [Convenient Operation] The new design of this tester is not only visually appealing but also practical, making it easy to use in various situations. IncludedComponents : No ItemName : Digital Earth Testing Tool, LCD Digital Earth Ground Resistance Meter High Accuracy with LED Indicator Inspection Tool ItemPackageDimensions_Height : 11 centimeters ItemPackageDimensions_Length : 27 centimeters ItemPackageDimensions_Width : 23 centimeters ItemTypeKeyword : ground-resistance-meters Manufacturer : Bnineteenteam MeasurementAccuracy : 0.1mm ModelName : Bnineteenteami59vdzgmuo ModelNumber : Bnineteenteami59vdzgmuo NumberOfItems : 1 PartNumber : Bnineteenteami59vdzgmuo ProductDescription : Specification: Item Type: Earth Ground Resistance Meter Material: Plastic Host Size: Approx. 150x150x70mm/5.9x3.93x2.76in Battery Model: 6 x 1. 5V(R6AA) battery 1 x 12V(23A) battery Battery is not included in the accessory Functions: Overvoltage Data hold low battery warning High accuracy LCD digital display screen Outdoor dust wet proof Resolution: 0.01 ohm Data Hold: Yes Working LED Indicator: Yes Function Symbol Display: Yes Specification: 1. Measuring Range Of Earth Resistance: 0-2000Ω. 0/20/200/2000 ohm ±(2%+3) 2. Measuring Range Of Earth Voltage: 0-30V(3%+5) 3. LED green light indicates normal operating mode. 4. 31/2 digit LCD display for more direct and convenient reading. 5. Low Battery Warning: on LCD indicates deficiency of 12V battery. LED red lighting off indicates deficiency of 1.5V battery. 6. Response Time: Measure earth resistance, about 5 seconds. Measure earth voltage, about 2 seconds. 7.Withstand Voltage: AC 500V, 1 minute between circuit and outer casing. 8. Overload : On earth voltage, can withstand 300V AC 1 minute . on earth resistance, can withstand 200V AC 10 seconds . 9. Working Environment: Working Temperature: 0℃-40℃ relative humidity < 80% Storage Temperature: - 10℃-50℃ relative humidity < 85% Ensured Accurate Temperature: 23℃±5℃ relative humidity < 80% Operation Instruction: a. Battery Voltage Inspection b. 3-wire Earth Resistance Test NOTE: Maximum 50V voltage may be generated between E-C or E-P terminals when testing earth resistance Please do not touch testing to avoid electric shock. Please make sure testing wire plug insert in testing terminal thoroughly before testing since loose connection may cause error in testing result.