Key facts
- Manuals
- 2
- Languages
- ZH
- Last added
- 2026-09-30
Featured Hezhong manuals
Hezhong HZBP-DL Variable Frequency Resonant Withstand Device User Manual
The HZBP‑DL variable‑frequency resonant withstand device is designed for AC dielectric withstand testing of power equipment such as cables, transformers and busbars up to 10 kV. It consists of a variable‑frequency power supply, excitation transformer, reactor and capacitive voltage divider.
The manual provides safety guidelines, detailed operation of the power supply, technical parameters, application examples, and common fault troubleshooting to ensure safe and effective use of the equipment. This manual is written in Chinese.
Covers: Product Overview · Main Technical Parameters · Device Applications · Variable‑Frequency Power Supply Detailed Use · General Operation Instructions · Common Fault Troubleshooting
Hezhong 701/702 Microcomputer Relay Protection Tester User Manual
The manual introduces the 701/702 microcomputer relay protection tester, describing its technical compliance with GB/T7261‑2000 and DL/T624‑1997 standards. It explains the device’s functions, including a rotary‑mouse interface, PC‑linked operation, and automatic report generation.
Detailed sections cover technical specifications, working principles, panel layout, step‑by‑step operating procedures, PC software usage, troubleshooting tips, and service information such as firmware replacement and warranty support. This manual is written in Chinese.
Covers: Introduction · Foreword · Technical Specifications · Working Principle · Panel Description · Operation Instructions
Latest Hezhong manuals
Hezhong HZBP-DL Variable Frequency Resonant Withstand Device User Manual
User Manual 26 pages · 5.2 MB · ZHUser manual for the Hezhong HZBP-DL variable‑frequency resonant withstand device, covering safety, operation, specs and troubleshooting.
Hezhong 701/702 Microcomputer Relay Protection Tester User Manual
User Manual 51 pages · 445 KB · ZHUser manual for the Hezhong 701/702 microcomputer relay protection tester with specifications, operation, and maintenance instructions.
Which document do I need?
User Manual
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Questions answered in Hezhong manuals
What safety precautions must be observed when using the device?
Only qualified personnel should operate it, ensure proper grounding, use the specified power cable, avoid touching live parts, keep the device dry, and follow all warning signs.
From: Hezhong HZBP-DL Variable Frequency Resonant Withstand Device User Manual
How do I reset the device after a fault occurs?
Turn off the power, let the instrument stand for about 30 minutes, then press the “Reset” key on the panel before restarting.
From: Hezhong HZBP-DL Variable Frequency Resonant Withstand Device User Manual
What is the required power supply voltage for the tester?
The tester operates from AC 220 V ±10 % at 50/60 Hz.
From: Hezhong 701/702 Microcomputer Relay Protection Tester User Manual
What is the maximum continuous AC current the 702 model can output?
The 702 model can output up to 120 A of three‑phase combined AC current.
From: Hezhong 701/702 Microcomputer Relay Protection Tester User Manual