Open Channel Ultrasonic Flowmeter(ultrasonic flowmeter, open channel flowmeter)
Technical Specification:
Flow range: 0L/s~10, 000l/s (Its up to the size of parshall flumes and customer requirement)
Accumulative flows: 8 digital display, stored for a long time.
Flow accuracy: 5% (1~3% of the uncertainty from Parshall flume slot allocation, 1~2% of the instrument error)
Measuring range: 0.3M to 1M (blanking distance: 0.3M)
Ranging accuracy: 3mm (measuring range is 1M), or 2mm (option)
Resolution Ratio: 1mm
The output signal: Instantaneous flow rate (one of following 5 outputs)
A. Voltage: 0~5V or 1~5V
B. Current: 0~20 mA or 4~20mA (default 4~20 mA)
C Switch: 1 ~ 4 groups switching signal can be directly used for solid-state relays, digital control or status control two models
D. Relay: 1 or 2 pcs of 220V/2A relay output
E. Interface: RS485 or RS232
Operating temperature: 0~50 C (default) customizable: -0~60C, -20~70C
Local display Power supply: DC24V or DC12V
Remote display Power supply: AC220V or DC24V
Show: Level height, instantaneous flow rate, total flow rate, temperature.
| Flow precision |
5% F@S |
| Level range |
1m ( according to the mounting height, wider measure range can be customized ) |
| Level precision |
0.5% F.S (at times, and the blind process °C) |
| Probe blind area |
≤300mm (at 25 °C) |
| Output signal |
4 ~ 20 mA three wire system+RS485 ( other output model can be customized ) |
| Working temperature |
-10 °C~ + 50 °C ( Sensor ) |
| Instrument temp |
0 ~ + 50 °C |
| Work power |
AC220V / 50 Hz; DC24V / 300 mA (according to the working conditions on site selection) |
| Outlet way |
Sensor leads 20 m, instrument standard plugs |
| Protection level |
Sensor IP65 |
| Flow range |
According to different specifications applicable weir slot |
| Showing the wa y |
16 LCD display
|
Four level height |
| Four transient flow |
| Eight of the accumulative total flow |
| 16 the calendar clock (buttons when) |
| Applicable weir |
Right triangle weir slot (opening size: 500 mm) |
| Bashir slot (larynx way width: 51 mm, 76 mm, 152 mm, 228 mm, 300 mm) |
| Rectangular weir (opening size: 250 mm, 500 mm, 750 mm) |
| D ata storage |
1 year, can be arbitrary time of the inquiry (can be customized in 3 and 5 years) |
| Installation |
instrument wall hung , Sensor gongs grain M68 x 2.0, or gongs circle clamp on |
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