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Phone: 400-027-8938

Mobile: 133 9714 9829

Product Details

■ Product Overview

This instrument is a specialized device used to test the electrical performance of zinc oxide surge arresters. , Live or de-energized testing applicable to zinc oxide surge arresters of various voltage levels. , This enables the timely detection of hazardous defects such as internal insulation moisture ingress and valve‑plate aging. The instrument is simple to operate and easy to use. , The entire measurement process is controlled by an industrial PC. , It can measure the total current, resistive current and its harmonics, the power-frequency reference voltage and its harmonics, active power, and phase difference of zinc oxide surge arresters. The large display screen shows the true waveforms of voltage and current. Utilizing digital waveform analysis technology, along with software-based anti-interference methods such as harmonic analysis and digital filtering, the instrument ensures accurate and stable measurement results, enabling precise analysis of the fundamental component and… 3~7 The content of subharmonics , and can overcome inter-phase interference effects , Accurately measure the resistive current of the phase‑to‑ground surge arrester.

■ Instrument Features

. Adopting the latest CT and shielding technology

. A lightning counter can be used to test the leakage current of zinc oxide surge arresters.

. Thoroughly resolve 6-500kV Zinc Oxide Surge Arrester Testing Issues

No pole climbing or wiring required; testing is fast and accurate.

. Can accurately measure 10uA Leakage current

It can also test high- and low-voltage AC leakage current, zero-sequence current, and phase current.

. Indirect testing of current transformer ratio

。800x480 Color LCD touchscreen, high-speed thermal printer.

. Wireless transmission PT Signal exceeds 400 Rice, configurable on demand to reach 2000 rice

. Truly achieve simultaneous testing of three-phase current and three-phase voltage. ; The instrument contains only low-voltage electricity, not exceeding 12V; Current and voltage sensors are fully isolated, ensuring safety and reliability.

. Supports two voltage reference signal sampling methods: wired synchronization and wireless synchronization. ; It also supports a zero-voltage mode, with the voltage reference determined via software calculation.

. Equipped with a high-energy lithium-ion battery, it is particularly well-suited for applications where no power source is available.

. Equipped with an embedded industrial-grade operating system, supporting direct shutdown. : Equipped with one USB Interface, supports U Export data from the disk ; Can be externally installed USB Easy to use with mouse and keyboard.

。 4GB SD The device can store vast amounts of experimental data and features data management and storage capabilities.

It is equipped with upper-level management software, offering features such as historical data management, data analysis, and report printing.

■ Product Selection Guide

Model Name

Functional Parameters

NDBL-I

Single-item communication

Single-phase test

5.7 inch 320x240 Liquid crystal display , High-speed thermal printer ; Power supply :AC220V/50Hz;

Leakage current :0-10mA; Voltage :30-100V; Voltage reference signal sampling method :20 rice ( Scalable )

NDBL-II

Single AC/DC

Single-phase test

5.7 inch 320x240 Liquid crystal display , High-speed thermal printer ; Power supply : Built-in high-energy lithium-ion battery, powered by the internal battery. ; Leakage current :0-10mA; Voltage :30-100V;

Voltage reference signal sampling method :20 rice ( Scalable )

NDBL-III

Three-phase live testing / Wired test (none) PT box / Non-inductive plate)

Embedded human-machine interface, supporting voltage-based sampling. PT Secondary voltage reference signal ; It also supports a zero-voltage mode, with the voltage reference determined via software calculation. Leakage current. :0-10mA( Scalable ); Voltage :30-100V( Scalable ):

Voltage reference signal sampling method : Wired Sync :20 rice ( Scalable )

NDBL-IV

Three-phase live testing / Wired testing / Microcontroller / with PT

Embedded human-machine interface, 800x480 Colorful 7 Inch LCD touch screen , Printer, wireless 400 rice ( Customizable ) . Wired synchronization, wireless synchronization, no voltage, continuous operation with a lithium battery 4 hour, Widows Operating system, U Disk guide data ; Can connect to a mouse, keyboard, 4GB of the SD Capable of storing massive amounts of data, with host‑computer software. Leakage current. :0-10mA( Scalable ); Voltage :30-100V( Scalable ) . Leakage current, total current, and resistive current 1、3、5、7 , capacitive current, voltage, phase angle, and power consumption. Equipped with anti-interference capabilities and a compensation algorithm. Can be used for… 750KV Voltage level; a three-phase voltage reference may be selected, or B Phase voltage reference.

NDBL-V

Three-phase live testing / Wired testing / Industrial PC / with PT

Industrial PC ARM Board, 800x480 Colorful 7 Inch LCD touch screen , Printer, wireless 400 rice ( Customizable ) Wired synchronization, wireless synchronization, no-voltage operation, continuous operation with a lithium battery 4 hour, Widows Operating system, U Disk guide data ; Can connect to a mouse, keyboard, 4GB of the SD Capable of storing massive amounts of data, with host‑computer software. Leakage current. :0-10mA( Scalable ): Voltage :30-100V( Scalable ) . Leakage current, total current, and resistive current 1、3、5、7 , capacitive current, voltage, phase angle, and power consumption. Equipped with anti-interference capabilities and a compensation algorithm. Can be used for… 750KV Voltage level; a three-phase voltage reference may be selected, or B Phase voltage reference.

NDBL-VI

Three-phase live testing / Wired testing / Industrial PC / with PT/ With induction plate

Three-phase live testing / Wireless testing / Industrial PC / with PT/ With induction plate

NDBL-VII

Three-phase live testing / Wired testing / With collector / Handheld

It offers both wired and wireless testing modes, enabling simultaneous measurement of the electrical parameters of three-phase zinc oxide surge arresters while automatically compensating for inter‑phase interference. ; It can also perform single-phase measurements and supports B Phase-to-ground PT The secondary voltage serves as the reference voltage. ; When the phase under test differs from the reference voltage phase, the compensation angle is calculated automatically. It displays the three-phase line voltages and the fundamental voltage component, 3 Next, 5 Next, 7 Subharmonic RMS value, system frequency value, and three-phase voltage phase difference

Voltage Input Range :25V~250V Valid value, 50Hz/60Hz; Full current measurement range :0~20mA Valid value, 50Hz/60Hz; Power supply : Built-in lithium battery support 10-35KV The following test measures leakage current.

Keywords:

NDBL Series Zinc Oxide Surge Arrester Tester

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Provide a reasonable quotation.

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