Open Channel Ultrasonic Flowmeters
UFH-100 flowmeter measures free surface flows of such fluids as…
Typical Applications
- Supply water
- Agrigultural water
- River water
- Waste water
- process water
- industrial effuents
The TOKYO KEIKI UFH-100 ultrasonic flowmeters system for open channels employs the latest in ultrasonic and microwave technology. Utilizing our wealth of know-how and technical expertise, the UFH-100 system combines an ultrasonic flow rate meter with a microwave level gauge to provide accurate and stable flowmeasurements. It is applicable for liquids with free surfaces such as agricultural water, river water, waste water and industrial effluents.
Specifications
| Measurable liquid | Applications: agricultural water, river water, process water, industrial effluents, etc. Water temperature: 0~40℃ /Turbidity: ≤ 10000 mg/L (degree) | ||
|---|---|---|---|
| Measurement water channel | Water channel width: 0.3~20m (circular water channels φ0.3~5m) Needed channel straight run: standard – upstream ≥ 10B, downstream ≥ 5B (B: water channel width, pipe diameter in case of circular water channel) | ||
| Measurement principle | Flow: flow velocity x channel cross sectional area (water level) computation method Flow velocity: ultrasonic pulse transit time difference method Water level s from existing or any 2 wire level gauge (DC 4~20mA can be utilized | ||
| Measurement range | Flow: 0~full water level flow | Flow velocity: 0~10m/s | Water level: 0~10m |
| Output signals | Flow: 4~20 mA DC (allowable load resistance within 750Ω) with arrester element Flow Pulse: Capacity AC 3~250V / DC 3~125V Flow velocity: 4~20 mA DC (option: allowable load resistance within 750Ω) Water level 4~20 mA DC (option: allowable load resistance within 750Ω) | ||
| Accuracy | Flow Forward flow: less than ±3% of full scale Reverse flow: not specified as it depends on channel structure (+/- 10mm or better accuracy for level gauge required.) | ||
| Alarm relay output | Water level measurement failure, flow velocity measurement failure | ||
| Display | 16 digit x 16 digit LCD display (with backlight) Flow value: max. 6 digits (incl. comma, decimal point) Water level: max. 6 digits (incl. m unit, comma and decimal point) Flow velocity: max. 6 digits (including m/s unit, comma and decimal point) Operation status indication | ||
| Power source | AC90V – 132V (50/60 ±2Hz) Standard AC180V – 250V (50/60 ±2Hz) (Option) | ||
| Power consumption | AC100V approx. 30VA AC240V approx. 40VA | ||
| Ambient temperature | -10C degree ~ 50C degree | ||
| Ambient humidity | Less than 90% RH (non-condensation) | ||
| Main unit configuration | Wall mount type IP5X (IEC60529 / dust proof) | ||
| Weight | Approx. 10 kg (approx. 11 kg with ultrasonic water level gauge) | ||
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