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Product Details

■ Product Overview

Vacuum circuit breakers commonly assess the degradation of vacuum integrity in vacuum interrupters using the power-frequency withstand voltage test. , This method can only detect arc-extinguishing chambers with severely degraded vacuum levels. However, when the vacuum level degrades to… 10 -2 Approximately 10 -1 Pa At that time, although the breakdown voltage had not decreased, the arc-extinguishing chamber was already deemed non‑conforming. NDZD The vacuum switch vacuum degree tester employs a novel excitation coil. , The magnetic‑control discharge method is employed to measure the vacuum level of the arc‑extinguishing chamber without dismantling it. Simultaneously, a microcomputer is used for synchronized control and data acquisition and processing, thereby achieving a high sensitivity in on‑site vacuum‑level testing of the arc‑extinguishing chamber. 10 -5 Pa The most distinctive feature of this instrument is its use of a novel excitation coil and advanced data-processing techniques, enabling non‑disassembly vacuum measurement. It offers advantages such as ease of use, simple operation, non‑disassembly measurement, and high testing accuracy. , It is a practical testing instrument widely applicable to sectors that use vacuum switches, including power, steel, petrochemical, textile, coal, and railway industries.

■ Technical Specifications

Test subject : Various models of vacuum switch tubes.

Detection method : A novel excitation coil is employed to perform non‑disassembly measurements on vacuum tubes.

Scope of Application : This instrument is a multi‑purpose device capable of testing various models of vacuum circuit breakers.

1 , Power Supply: AC220V ± 15%，50Hz；

2 , Measurement range: 10 -5 ~ 10 -1 Pa ；

3 , Electric field voltage: 20KV；

4 , Magnetic field voltage: 1600V；

5 , Instrument accuracy: 5%；

6 , Operating environment: -10 °C～ 40 °C;

7 , External dimensions: 460mm × 335mm × 330mm。

8 , Host weight: 12kg

Keywords:

NDZD Vacuum Switch Vacuum Degree Tester

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