ND2508 Ground Resistance Tester

Product Introduction

       ND2508 AC Ground Resistance Tester is suitable for measuring the resistance value between the casing and its ground wire of various equipment such as motors, electrical appliances, instruments, household appliances, etc.

       This instrument is compact, lightweight, aesthetically pleasing, and easy to operate. The test current and resistance values are displayed in real-time via an LED digital panel, providing clear, accurate, and intuitive readings. The test current can be adjusted from 5 to 30A according to user requirements, and the test time can be set continuously between 1 and 99 seconds. When the resistance of the tested object exceeds the user-set value (protection point can be set arbitrarily from 0 to 510 mΩ), the instrument features audible and visual alerts, along with overcurrent (AC 30A) protection and an audible warning. Its advanced open-circuit protection function effectively helps users avoid false and missed inspections. This instrument can widely meet the testing needs of different users.

       Operating Conditions

       Ambient Temperature: 0-40°C.

       Relative Humidity: Not exceeding 75%.

       Atmospheric Pressure: 101.25 kPa.

Technical Parameters

☆、Test Current Range AC: 5-30A (continuously adjustable)

☆、Measurement Current Accuracy: ≤±5%

☆、Output Frequency: 50 Hz

☆、Test Time: 1-99 seconds ±5% manual control

☆、Measurement Resistance Range: 0-510 mΩ

☆、Measurement Resistance Accuracy: ≤±5%

☆、Alarm Resistance Value: 0-510 mΩ

☆、Pass/Fail Analysis: Pass/Fail judgment; Fail: Audible and visual alarm

☆、Display Method: Current, impedance, time LED (digital) display

☆、Operating Power Supply AC: 220V±10%, 50 Hz±5%

☆、Dimensions: 320×255×175