Key facts
- Manuals
- 3
- Languages
- ZH
- Last added
- 2026-10-01
Featured Qingzhi manuals
Qingzhi ZWD414B/ZWD433B Comprehensive Power Transducer User Manual
The ZWD414B (single‑phase) and ZWD433B (three‑phase) comprehensive power transducers measure AC voltage, current, active, reactive and apparent power, as well as energy consumption. They support RS‑485/232 MODBUS RTU communication and offer optional relay and switch outputs.
The manual covers product selection, main technical parameters, physical layout, preparation steps, detailed parameter configuration, wiring diagrams, serial‑port guide, extended functions, packing list, safety notices and maintenance procedures. It also includes troubleshooting tips and a FAQ section for common issues. This manual is written in Chinese.
Covers: Product Selection · Main Technical Parameters · Physical Appearance and Controls · Preparation and Installation · Parameter Settings · Wiring Diagrams
Qingzhi 8902F2/8904F2 Three-Phase Digital Electrical Parameter Tester User Manual
This document provides detailed instructions for the Qingzhi 8902F2/8904F2 three‑phase digital electrical parameter tester, including measurement functions, technical specifications, wiring configurations, and alarm features. It also contains safety notices, usage precautions, and a troubleshooting guide.
The manual covers how to select line modes, configure scaling and data update intervals, read and save display data, and set up voltage, current, and power alarms. Appendices list symbol definitions, menu flowcharts, and a shipping checklist. This manual is written in Chinese.
Covers: Instrument Overview · Wiring · Measurements · Energy Calculation (8904F2 only) · Lock Measurement Values · Read/Save Display
Qingzhi ZW1600 Series Single-Phase Single-Parameter Energy Meter User Manual
The ZW1600 series single‑phase single‑parameter energy meters provide voltage, current, power, and energy measurements with optional relay alarm, analog output, and RS‑485/232 communication. This manual guides users through product selection, technical specifications, hardware layout, and preparation steps before operation.
Detailed instructions cover basic parameter configuration, wiring diagrams, use of extended functions such as alarm output and analog output, and maintenance recommendations. Safety notices and a packing list are also included. This manual is written in Chinese.
Covers: Product Selection · Main Technical Parameters · Appearance, Buttons and Display · Preparation Before Use · Basic Parameter Settings · Wiring Diagram
Latest Qingzhi manuals
Qingzhi ZWD414B/ZWD433B Comprehensive Power Transducer User Manual
User Manual 19 pages · 707 KB · ZHThe Qingzhi ZWD414B and ZWD433B comprehensive power transducers user manual provides specifications, installation, wiring, parameter settings, and…
Qingzhi 8902F2/8904F2 Three-Phase Digital Electrical Parameter Tester User Manual
User Manual 26 pages · 2.2 MB · ZHThe manual describes functions, safety rules, wiring, operation, specifications and alarm settings for the Qingzhi 8902F2/8904F2 three‑phase digital…
Qingzhi ZW1600 Series Single-Phase Single-Parameter Energy Meter User Manual
User Manual 18 pages · 632 KB · ZHUser manual for the Qingzhi ZW1600 series energy meter covering installation, settings, wiring, and extended functions.
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 Qingzhi manuals
What power supply voltages are required for operation?
The transducer can be powered from AC 85–265 V at 45–65 Hz or from DC 125–250 V.
From: Qingzhi ZWD414B/ZWD433B Comprehensive Power Transducer User Manual
What happens if no parameter changes are saved within 15 seconds?
If there is no operation for 15 seconds, the device automatically exits the setting mode and does not save the changes.
From: Qingzhi ZWD414B/ZWD433B Comprehensive Power Transducer User Manual
What is the voltage measurement accuracy for signals below 10 % of full scale?
The error is ±(0.40 % of reading + 0.10 % of range) for signals less than 10 % of the full‑scale range.
From: Qingzhi 8902F2/8904F2 Three-Phase Digital Electrical Parameter Tester User Manual
How can I reset all settings to factory defaults?
Enter the Init menu (SHIFT+SET), select the Init option, and confirm to restore all parameters to their default values.
From: Qingzhi 8902F2/8904F2 Three-Phase Digital Electrical Parameter Tester User Manual
What communication protocol does the ZW1600 series support?
It uses the MODBUS protocol in RTU mode over isolated RS‑485/232 interfaces.
From: Qingzhi ZW1600 Series Single-Phase Single-Parameter Energy Meter User Manual
How can the user change the password on the meter?
The default fixed password is 1234; it can be changed in the parameter settings menu.
From: Qingzhi ZW1600 Series Single-Phase Single-Parameter Energy Meter User Manual