QJCS-Z Gas Ultrasonic Flow Meter
Intelligent ultrasonic gas flow meter with temperature & pressure compensation






Technical Parameters
| Size / Range | DN50: 0.5-300 m³/h | DN80: 1-500 m³/h | DN100: 2-700 m³/h |
|---|---|
| Accuracy Class | 1.0 |
| Media Absolute Pressure | ≤ 1.6 MPa |
| Average Power | ≤ 1.5 mW |
| Power Supply | Built-in 3.6V Li battery (24VDC external optional) |
| Working Temperature | -30°C ~ +60°C, ≤ 95%RH |
| Communication | RS485 (9600 default, 1200-115200 selectable); NB-IoT optional |
| Explosion-proof / Protection | Ex ib IIB T4 Gb / IP66 |
Key Features
- High accuracy, low start flow, wide range
- Temperature & pressure compensation, compressibility correction
- Lightning & surge protection circuits
- NB-IoT integration for remote reading, monitoring & online recharge
- Large storage for periodic records, logs & alarms
- External valve control supported
