Product Introduction

        Zinc Oxide Arrester is an important protection device for power supply lines and equipment. If the arrester in the power system ages, is damaged, or fails, it may cause major power accidents, resulting in damage to power equipment and power outages. Therefore, regular testing of Zinc Oxide Arresters in the lines can effectively eliminate accident risks, ensure the safe operation of the power system, and improve power supply quality.

       NDYH-II Zinc Oxide Arrester Resistive Current Tester is a new generation of ultra-portable live-line tester for Zinc Oxide Arresters developed by our company. It is used for analyzing the total current of Zinc Oxide Arresters (MOA), with the main purpose of measuring the resistive current of MOA to determine its moisture absorption and aging degree. This tester can be used for on-site live-line measurement tests as well as for MOA acceptance and factory tests.

Product Features

☆、Supports both wireless voltage reference measurement and wired voltage reference measurement;
☆、Supports wireless channel frequency selection function with three channel frequencies available;
☆、Supports three-phase, single-phase, or no-reference voltage measurement methods;
☆、Capable of measuring MOA simultaneously for three phases, single-phase, or without reference measurement;
☆、Equipped with anti-interference function, automatically compensating for phase-to-phase interference to ensure accurate and reliable data;
☆、Real-time display and analysis of measurement data and waveforms with a high-speed microprocessor;
☆、Utilizes algorithms such as FFT transformation, harmonic analysis, and digital filtering for data processing;
☆、Features a 5-inch 800*480 high-brightness LCD screen with a brightness of up to 900 nits, clearly visible in sunlight;
☆、Built-in large-capacity non-volatile memory, capable of storing 200 sets of measurement data, and supports export to USB drives for storage;
☆、Built-in USB controller supports USB storage, capable of storing 10,000 sets of measurement data, and supports import to PC for management;
☆、Built-in high-precision real-time clock function: allows date and time calibration;
☆、Built-in 4400mAh rechargeable lithium battery, providing 4 to 6 hours of testing time, convenient for on-site use.

Technical Parameters

☆、Measurement Range   Voltage: 0～220V
                       Current: 0～20mA
☆、Resolution   0.001
☆、Measurement Accuracy   Fundamental Wave: ±(5% reading + 5 digits)
                       Harmonic: ±(10% reading + 10 digits)
☆、Transmission Distance   1000 meters (line-of-sight distance)
☆、Dimensions   252mm×172mm×81mm
☆、Instrument Weight   1.5kg
☆、Ambient Temperature   -10℃～50℃
☆、Ambient Humidity   ≤85%RH
☆、Compatible Power Input   AC220V/50Hz
☆、Compatible Power Output   DC12.6V/2000mA