User manual for the Qingzhi ZW1600 series energy meter covering installation, settings, wiring, and extended functions.
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.
| Voltage measurement range | 10–500 V |
|---|---|
| Current measurement range | 0.015–15 A |
| Basic error (voltage) | ±0.4% reading + 0.1% range |
| Voltage input impedance | > 1.5 MΩ |
| Current input impedance | < 10 mΩ |
| Signal conversion rate | ≈8000 conversions/s |
| Display update rate | ≈3 updates/s |
| Power consumption | < 4 VA |
| Weight | ≈300 g |
| Power supply (AC) | 85–265 V, 45–65 Hz |
| Power supply (DC) | 100–300 V |
| Operating temperature range | 0–40 °C |
| Maximum humidity | ≤75 % RH |
It uses the MODBUS protocol in RTU mode over isolated RS‑485/232 interfaces.
The default fixed password is 1234; it can be changed in the parameter settings menu.
Each relay contact can handle up to AC 250 V / 2 A.