Earth Insulation Tester

The ZXCZ-30A Ground Lines Group DC Resistance Tester features a 30A constant current source and intuitive digital display for accurate 0-200mOhm measurement. It offers 6 test gears, strong anti-interference, and easy clip operation. Ideal for checking ground wire contact quality in power systems.

The ZXCZ-30A Ground Lines Group DC Resistance Tester checks contact quality of ground wire assemblies. Features 30A constant current, 200W power, 6 test gears, and high brightness digital display. Strong anti-interference, easy operation, and reliable for preventive testing.

Precision 4-wire grounding resistance tester with FFT and AFC technology for accurate soil resistivity and ground voltage measurements. Features 20mA test current, 2000 data storage, RS232 interface, and durable 200kg toolbox. Ideal for field testing with high interference immunity.

Complete set for measuring non soluble deposit density. Features high precision 0.1mg balance, vacuum filtration with 60L/min flow, and German tech air blast drying. Temperature range 10-250°C. Simple, accurate, and efficient for industrial insulation testing.

High precision ESDD and conductivity meter for anti-pollution flash-over testing. Features 2% full range accuracy, 2s measurement speed, temperature self-compensation, and 2600mAh Li-battery. Ideal for electric power systems and research.

Measure ground resistance from 0.01Ω to 200Ω with high accuracy. Dual-clamp technology enables online testing without auxiliary electrodes. Features 50mm jaw, 200 data storage, and strong anti-interference. Ideal for power, telecom, and lightning protection systems.

High precision ESDD tester for anti-pollution flash-over testing. Features 3s fast measurement, 5-inch color touch screen, English interface, auto temperature compensation, and 2600mAh Li-battery. Ideal for power systems and labs.

Portable DC 260V insulation fault detector for online/offline testing. Features positive, negative, and two-pole grounding tests, voltage accuracy, and AC grounding test. ISO9001 certified, ideal for power plants and substations.

Smart Megger 5000V insulation tester measures up to 1000GΩ resistance with auto-ranging, DAR/PI calculation, and short buzz every 15 seconds. Features 5mA short-circuit current, rechargeable Li-battery, and strong anti-interference for safe, reliable operation.

Measures insulation resistance, DAR, and PI for water-cooled generators. Features 2500V/5000V test voltage, ≥25mA short circuit current, and auto compensation for water polarization. Strong anti-interference, safe enclosed HV design, and up to 2TΩ range. Ideal for EHV substations.

Smart microcomputer megger with 500V to 5000V test voltage, measuring up to 1000GΩ. Features PI, COMP, TIME set functions, auto discharge, backlight, and 18 data storage. Complies with IEC61010 CAT III 600V safety standards. Ideal for industrial insulation testing.

Measures insulator surface ESDD, conductivity, and temperature with high precision. Features auto range switching, 3s fast testing, color touch screen, and 2600mAh Li-battery. Ideal for field work in electric power systems.

Measures insulation resistance up to 2000GΩ at 5000V. Features auto-discharge, PI/DAR, backlight, and live circuit warning. Complies with IEC 61010 CAT IV 300V. Ideal for industrial and utility maintenance.

The ZXDW-3A measures ground resistance, contact voltage, and resistivity with 3A output and 0.001 Ohm resolution. Its dual-frequency anti-jamming technology ensures stable results under 50Hz interference without powering down. Ideal for substations and power plants.

Cortex-M3 STM32 based ground fault detector for DC systems. Accurately measures voltage, insulation, and ripple. Features RS485, RS232, Ethernet, and multi-branch testing. CE certified, customizable, and supports 85-265V AC/DC working voltage.

Measures insulation resistance up to 2000GΩ at 10KV. Features large LCD backlit display, data storage, USB upload, and absorption ratio/polarization index functions. Shockproof, dustproof, and moisture-proof design. Ideal for telecom, power, and industrial maintenance.

BY2671 series digital Megger features high output power and >1.6mA short-circuit current for reliable testing. Durable aluminum alloy shell with anti-interference filter. Battery powered with auto-ranging LCD display. Ideal for capacitive loads and low resistance measurements.

Microcomputer-controlled insulation tester with adjustable 5kV-20kV output, 10TΩ range, and 5mA short-circuit current. Measures R15/R60/R600, calculates DAR/PI. Features RS232 interface, 60-record storage, and auto discharge. Ideal for transformers and cables in high-interference environments.

The ZXCZ-30A tester checks ground wire contact quality with a 30A constant current source and 200W power. Features 6 test gears, high brightness digital display, and strong anti-interference. Ideal for preventive testing of electric safety tools.

Intelligent controller for high voltage switch running in test. Features memory function for interrupted tests, adjustable timing 0.05-999s, and independent station operation. Protects coils from burnout. Ideal for switch design and testing.