CMNTEK Wetted Multi-path Ultrasonic Flowmeter Users's Manual
The CMNTEK UR-1000PLUS series is a wetted multi‑path ultrasonic flowmeter designed for accurate measurement of liquid flow in industrial pipelines. It supports a range of pipe sizes and pressure ratings, and offers both analog (4‑20 mA) and pulse outputs.
The manual includes detailed specifications, wiring diagrams, controller functions, keypad/display operation, data logging features, and fault diagnosis procedures. It also describes enclosure ratings, power requirements, and communication options such as RS‑232 and RS‑485.
| Power supply | 110/220 VAC (50/60 Hz), 10~15 W |
|---|---|
| Operating temperature | -20 °C to +60 °C |
| Enclosure rating | IP54 |
| Dimensions | 270 mm × 370 mm × 133 mm |
| Maximum weight | 5.5 kg |
| Analog output | 4–20 mA (active output, 500 Ω max) |
| Pulse output | Pulse contact, 1 Hz, NPN‑type 24 VDC |
| Communication interface | RS‑232 or RS‑485 |
| Measurement accuracy | +0.2 %–0.5 % of measured value (0.3 – 30 m/s) |
| Maximum pressure rating | 20 bar (20 kgf/cm²) |
| Flow tube length range | 150 mm ~ 10 m (1 ~ 400″) |
It operates on 110/220 VAC (50/60 Hz) and consumes 10~15 W.
The device supports RS‑232 or RS‑485 communication.
The accuracy is +0.2 % to +0.5 % of the measured value (0.3 – 30 m/s).
The unit can operate from –20 °C to +60 °C, with storage limits from –40 °C to +70 °C.