The manual explains functions, keypad operation, display settings, parameter configuration, wiring, and battery replacement for the Guanghua liquid crystal…
This guide describes the main functions of the liquid crystal flow meter, including total, class and instantaneous flow display, time/date readout, 4‑20 mA analog output, communication options, and external sensor handling. It also details the three-key keypad used for navigation, data entry, and parameter adjustments.
The document provides step‑by‑step instructions for setting flow display formats, units (L or m³, L/s or m³/h), pulse equivalents, baud rates, rotation direction, and shift‑reset options. Wiring diagrams and battery replacement procedures are included to ensure proper installation and maintenance. This manual is written in Chinese.
| Analog output | 4–20 mA |
|---|---|
| Flow unit selection | L or m³ |
| Instantaneous flow unit | L/s or m³/h |
| Baud rate options | 300–9600 bps |
Press and hold the k3 key for more than 5 seconds to reset the class flow counter.
Enter the time/date screen, press k2 to select a field, then use k2 to increment the value; use k1/k3 to move the cursor.