DOF6000-W Wall-mounted Serials
Ultrasonic Doppler Principle in Quadrature Sampling Mode is utilised to measure water velocity. The 6537 Instrument transmits ultrasonic energy through its epoxy casing into the water. Suspended sediment particles, or small gas bubbles in the water reflect some of the transmitted ultrasonic energy back to the 6537 Instrument’s ultrasonic receiver instrument that processes this received signal and calculates the water velocity.
Water depth is measured with two methods. An ultrasonic depth sensor measures water depth using the ultrasonic principle from a top mounted sensor on the instrument. Depth is also measured using the pressure principle from a bottom mounted sensor in the instrument. These two sensors provide flexibility in depth measurement. Some applications, for example measuring from the side of a pipe, better suits a pressure principle, while other applications in clear open channels better suit an ultrasonic principle.
The 6537 Instrument has a 4 electrodes conductivity instrument (EC) included to measure the quality of the water, with four electrodes exposed to the water at the top of the instrument. Water quality is measured on an ongoing basis and this parameter can be recorded along with velocity and depth to better analyse the nature of the water in open channels and pipes.
Features
20 coordinate points to describe cross section of the river’s shape.
One instrument can measure the velocity, depth and conductivity simultaneously.
Velocity Range : 0.02mm/s to 13.2m/s bi-directional, accuracy is ±1% R. Flow rate range is optional (0.8m/s; 1.6 m/s; 3.2 m/s; 6.4 m/s;13.2m/s).
Pressure Depth Range: 0 to 10m; Accuracy: ±2mm. Ultrasonic Depth Range: 0.02-5m; Accuracy: ±1mm.
Measure velocity in both forward flow and back flow.
Depth is measured by both the pressure sensor and ultrasonic level sensor principles.
With borometric pressure compensation function.
IP68 Epoxy-sealed body design, designed under water installation.
RS485/MODBUS output, connect to computer directly.
Specificaitons
Sensor:
| Velocity | Velocity range: | 20mm/s-0.8m/s; 20mm/s-1.6m/s; 20mm/s-3.2m/s (default); 20mm/s- 6.4m/s; 20mm/s-13.2m/s Bidirectional velocity capability |
| Velocity accuracy: | ±1 % R | |
| Velocity resolution: | 1 mm/s | |
| Depth (Ultrasonic) | Range: | 20mm to 5000mm (5m) |
| Accuracy: | ± 1mm | |
| Resolution: | 1 mm | |
| Depth (Pressure) | Range: | 0mm to 10000mm (10m) |
| Accuracy: | ± 2mm | |
| Resolution: | 1 mm | |
| Temperature | Range: | 0°C to 60°C |
| Accuracy: | ±0.5°C | |
| Resolution: | o.1°C | |
| Electrical Conductivity (EC) | Range: | 0 to 200,000 µS/cm, Typically ± 1% of measurement |
| Accuracy | ±1% R | |
| Resolution | ±1 µS/cm | |
| Recorded as a 16-bit value (0 to 65,535 µS/cm) or a 32-bit value (0 to 262,143 µS/cm) | ||
| Tilt (Accelerometer) | Range: | ±70° in roll and pitch axes. |
| Accuracy: | ±1 ° for angles less than 45° | |
| Output | SDI-12: | SDI-12 v1.3, Max. cable 50m |
| RS485: | Modbus RTU, Max. cable 500m | |
| Environmental | Operating temperature: | 0°C 〜+60°C water temperature |
| Storage temperature: | -20°C 〜+60°C | |
| IP class: | IP68 | |
| Others | Cable: | The standard cable is 15m, the maximum option is 500m. |
| Sensor material: | Epoxy-sealed body, Marine Grade 316 Stainless Steel Mounting Bracket | |
| Sensor size: | 135mm x 50mm x 20mm (L x W x H) | |
| Sensor weight: | 1 kg with 15m of cable | |
Sensor Functions
Caculator:
|
Type: |
Wall-mounted |
|
Power supply: |
Calculator: 220VAC& 12-24VDC; Sensor:12VDC |
|
IP class: |
Calculator: IP66 |
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Operating temperature: |
0°C ~+60°C |
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Case material: |
Fiber Glass |
|
Display: |
4.5″ color LCD |
|
Output: |
Pulse, 4-20mA (Flow & Depth), RS485/Modbus, Datalogger, GPRS |
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Size: |
244L×196W×114H (mm) |
|
Weight: |
2.4kg |
|
Data storage: |
16GB |
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Application: |
Partially Filled Pipe: 150-6000mm; Channel: width >200mm |
Installation Details
Partially Pipe
Pipe with Siltation on Bottom
Triangle Channel
Rectangular channel
Polygonal channel
Irregular-shaped channel
Configuration Code
| DOF6000 | Doppler open channel fiow meter | |||||||||||||||||
| Caculator | ||||||||||||||||||
| W | Wall-mounted | |||||||||||||||||
| Power supply | ||||||||||||||||||
| A | 85-265VAC | |||||||||||||||||
| E | 24VDC(only for Wall-mounted Caculator) | |||||||||||||||||
| Output | ||||||||||||||||||
| N | Same as above | |||||||||||||||||
| C | 4-20mA | |||||||||||||||||
| P | Pulse | |||||||||||||||||
| F | RS485(Modbus) | |||||||||||||||||
| D | Data logger | |||||||||||||||||
| G | GPRS | |||||||||||||||||
| Level range | ||||||||||||||||||
| 6537 | 0 to 10m | |||||||||||||||||
| Sensor cable length | ||||||||||||||||||
| 15m 15m(standard) | ||||||||||||||||||
| XXm more length, please contact us | ||||||||||||||||||
| DOF6000 | — | W | — | A | — | N NL | — 6537 | — 15m (example configuration) | ||||||||||
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