Ultrasonic Open Channel Flow Meter with 4-20mA and RS485 Hot Sale High Accuracy
The ultrasonic open channel flow meter with weir and flume which used together for measured the flow in the open channels.
Product Description
Application
The ultrasonic open channel flow meter with weir and flume which used together for measured the flow in the open channels. Mainly application is the outfall of sewage plant and the sewage of enterprises, city sewer and irrigation channels.
The instrument produced by our company uses ultrasonic waves through the air, non-contact method to measure. Compare with contact instrument, it has higher reliability and durability in the condition of sticky dirt, corrosive liquid.
Technical Parameter
| Function | Integrated type | Split type |
| Range | 0.1l/s～99999.99 m³/h | |
| Cumulative Flow | biggest：4290000000.00 m³ | |
| Max range for level | 3m | |
| Accuracy for level | 0.5% | |
| Resolution | 3mm or 0.1%（bigger） | |
| Display | Chinese LED | |
| Accuracy for Flow | Standard weir: 1～5% (meet the requirements of national standard weir and channels) Non-standard weir: 10～30%。 | |
| Analog output | (Four-wire system) 4～20mA/750Ωload | |
| Delay output | (optional)two groups: AC 220V/ 8A or DC 24V/ 5A, | |
| Power supply | Standard:24VDC 100mA；optional: 220V AC+15% 50Hz。 | |
| Power supply | (optional)12VDC, battery, solar | |
| Environment Temperature | LED:-20～+60℃, Probe: -20～+80℃ | |
| Environmental pressures | Standard atmospheric pressure | |
| Environment humidity | ≤90%RH, Non-condensing | |
| Process temperature | -20～80℃； | |
| Process pressures | Standard atmospheric pressure | |
| Communication | Optional:485, 232, MODBUS protocol | |
| Protection Grade | LED:IP67 Probe: IP68 | LED:IP65, probe:IP68 |
| Cable Probe | No | Standard:10m, The longest:100m |
| Probe installation dimension | M48x2mm thread + matching nuts | |
| Probe Material | Standard: ABSTeflon material in corrosive environment | |
Installation
1, Open Channel Flow meter
◆Split type
 |  |
Outline | Structure of flow meter |
The display parts of split type should be installed the indoors with good ventilation and non-corrosive gases. Instrument is wall mounting. If the condition of indoor is bad or it must be hung out the door, installation of instrument must be in the protective box to avoid the sun and rain.
◆Integrated type
 |  |
Outline | Structure of flow meter |
◆Bottom thread installation
| ①Install the flange on the measured object. | ①Install the flange on the measured object. |
 |  |
| ③ Transducer aimed at the hole of flange | ④ put it into the hole. |
 |  |
| ⑤ Bottom flange | ⑥ Put the gasket of same inner diameter under the flange. |
 |  |
⑦ Screw the nut and fix the transducer | ⑧ Finished installation of transducer |
 |  |
◆Top thread installation
① Fix the top thread with the nut | ② The connected wire of probe with protection tube |
 |  |
