Transmission mains and major industrial feeders need high-accuracy flow data, often at unmanned sites too far for cabling. The premium YF-C8 provides that accuracy on very large pipes and supports remote data return via an optional GPRS DTU.
The challenge
- Critical large mains require the best available accuracy.
- Sites are unmanned and lack data cabling.
- Diameters can reach DN5000.
- Operators need continuous remote visibility.
The solution: YF-C8
The YF-C8 is the premium fixed transit-time meter, offering ±0.5% accuracy, an extended pipe range and optional GPRS data. See the YF-C8 specifications →
- DN25-DN5000 range for transmission mains.
- ±0.5% accuracy and 0.15% repeatability.
- RS485 Modbus RTU plus optional GPRS DTU.
- 4-20 mA analog and OCT/relay outputs.
- 24 VDC fixed-mount converter.
Configuration used in this application
| Meter | YF-C8 premium fixed transit-time |
|---|---|
| Pipe size | DN25-DN5000 (1″-200″) |
| Accuracy | ±0.5% (0.5-5.0 m/s) |
| Repeatability | 0.15% |
| Power supply | 24 VDC @ 5 W |
| Analog output | 4-20 mA, max load 600 Ω |
| Communication | RS485, Modbus RTU; optional GPRS DTU |
| Alarm / relay | OCT pulse & alarm; relay |
How it is deployed
- Select a stable straight section on the large main.
- Install matched transducers and the fixed converter, confirming a strong signal.
- Connect Modbus locally and add the GPRS DTU where remote access is needed.
- Validate readings and configure remote interval reporting and alarms.
What the operator gets
- High-accuracy measurement on critical mains.
- Remote visibility from unmanned sites.
- Coverage to DN5000 with one premium platform.
- Reliable data for balance, reporting and leak detection.
Frequently asked questions
What makes the YF-C8 the premium option?
It provides +/-0.5% accuracy with 0.15% repeatability, an extended DN5000 pipe range and optional GPRS remote data.
Can data be retrieved without cabling?
Yes, an optional GPRS DTU allows remote reporting from unmanned sites.
Up to what pipe size does it work?
The range runs from DN25 to DN5000.
Have a similar requirement?
Send us your pipe size, pipe material, fluid, temperature and quantity. Our engineers will recommend the right configuration and reply with factory-direct wholesale/OEM pricing in English.
Browse our complete range on the Products page.
Questions about your application? Contact our team or request a quote — we respond within 24 hours.

