Description
Overview
GAOTek open channel ultrasonic liquid flow meter used to the measurement of flow within open, partially filled and free flow channels and the open channel flow meter must be used with the measuring weirs and is mainly used to measure sewage flow within the channel under an open, partially filled and free flow conditions.
Technical Specifications
| Cumulative Flow | 4000000000 m3 | |
| Measuring Range | Instant flow 0.1L/s to 120000 m3/s Level 13.78 in (0.35 m) to 9.84 ft (3.00 m) |
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| Measuring Accuracy | Flow Triangular weir 1 to 5% or rectangular weir 3 to 5% or Parshall flume 2 to 3% Level +-0.3% FS (standard condition) |
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| Dead Band | 13.78 in (0.35 m) | |
| Pressure | Below 3 barometric pressure or 1.24 mi (2000 m) below sea level | |
| Meter Display | Displays instantaneous flow and cumulative flow, liquid level, echo waveforms and historical curves | |
| Power Supply | DC 18 V to 36 V or 100 mA or AC 85 V to 265 V or 3 W | |
| Flow Recorder | Can query the cumulative flow of any time during the last 8 years | |
| Output | Analog current 12bit, with load of less than 500 Ohm Digital signal RS485 or Modbus agreement Switching value Switching values of 2 to 4 circuits |
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| Temperature | Environment -4 °F to +140 °F (-20 ℃ to +60 ℃) |