Dalian Yheng Technology Co., Ltd. is one of the most reliable manufacturers and suppliers of utg21-dr ultrasonic open channel flow meter in China. Welcome to buy high quality utg21-dr ultrasonic open channel flow meter in stock here from our factory. If you have any enquiry about customized service, please feel free to email us.
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Parameter Category |
Specific Parameter |
Specification Value |
Remarks |
|
Power Supply |
DC Supply |
18~36V/100mA |
/ |
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AC Supply |
100~240V/3W |
/ |
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Output Interface |
Analog Output |
4~20mA |
/ |
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Digital Communication |
RS485/ModBUS |
/ |
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Pulse Output |
6~100ms |
/ |
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Relay Output |
Up to 2 channels |
Optional |
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Hart Output |
- |
Optional |
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Measuring Range |
Flow Rate |
0.1L/s ~ 120000 m³/s |
/ |
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Level |
0.35m ~ 3.000m |
/ |
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Cumulative Flow |
4000000000 m³ |
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Measuring Accuracy |
Flow Rate - Triangular weir |
1~5% |
/ |
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Flow Rate - Rectangular weir |
3~5% |
/ |
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Flow Rate - Parshall flume |
2~3% |
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Level |
±0.3% FS |
Standard condition |
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Basic Performance |
Dead Zone |
0.35m |
/ |
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Pressure Resistance |
Below 3 bar |
2000m below sea level |
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Data Storage Time |
Up to 8 years |
Any interval |
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Display Function |
Display Content |
Instantaneous flow, cumulative flow, level, waveforms, historical curves |
Local LCD display |
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Temperature Range |
Environment Temperature |
-20℃ ~ +90℃ |
/ |
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Process Temperature |
-20℃ ~ +60℃ |
Optional for ＞60℃ |
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Interface Specification |
Electrical Interface |
Waterproof Connector PG11 |
/ |
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Process Interface |
G2" |
/ |
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Material |
Transmitter |
ABS/ETFE/PTFE |
/ |
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Transducer |
ABS |
/ |
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Protection Grade |
Standard Grade |
IP65 |
/ |
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Optional Grade |
IP68 |
/ |
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Core Features |
Measurement Type |
Instantaneous flow, flow volume, liquid level, waveform |
Non-contact |
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Other Functions |
Automatic error correction, local keyboard operation, date & time display |
Long service life |
Features
● Non-Contact, Maintenance-Free Measurement: Utilizes advanced ultrasonic technology to measure flow from above the liquid surface. This prevents sensor fouling, corrosion, or damage from debris, ensuring a long service life with minimal maintenance.
● Wide Application Range: Specifically designed for use with standard structures like Parshall flumes and weirs, and suitable for other free-flow conditions. Perfect for measuring effluent discharge, irrigation flow, water capture, and drainage.
● Comprehensive Data Output & Communication: Offers flexible connectivity with 4-20mA analog output and RS485/ModBUS communication, enabling seamless integration into SCADA systems, PLCs, and central monitoring platforms.
● Extended Data Storage & Local Display: Features a built-in data logger with a storage capacity of up to eight years, securing valuable historical data. The clear local LCD display with keyboard provides real-time viewing of instantaneous flow rate, total flow volume, liquid level, waveform, current date, and time.
● Superior Accuracy & Intelligence: Equipped with an automatic error correction function to compensate for environmental changes, ensuring consistent and reliable measurements under varying conditions.
Applications
Serves industrial & environmental flow measurement needs, supports process control, resource management and regulatory compliance with stable, intelligent detection.
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