NOS Rod Sensor
NOS rod sensors are part of a fixed measurement system for continuous flow measurement and storage of the recorded measurement data. They can be used for clean to slightly polluted media. Due to their mechanic construction the sensors are particularly suitable for use in part filled flumes with vertical walls.
The sensor holders are designed to install the sensors above the water level. The water level hence does not need to be lowered and moreover divers are not needed.
Technical Description
Measure. Monitor. Repeat.
For better insights, better decision-making and better process performance.
Key Features & Benefits
- Ultrasonic transit time sensor for connection to NivuFlow 650
- Hydrometry with highest measurement accuracy
- WRAS approval for some versions
- Measurement in clear to slightly polluted water
- For 8-path measurements according to IEC 60041 (ASME PTC 18)
- Measurement in open channels and surface water bodies
- Resistant sensor material for use in various media
- Up to 100 m of cable length between sensor and transmitter or adapter box
Typical NOS rod sensor applications
- Fixed flow measurements in channels with various dimensions and similar
- Irrigation systems
- Potable water systems
- Inlets and outlets conducting cooling water or circulation
- WWTP outlets, distribution of dirty water and similar
- Industrial flow measurements, process water
- and many more
For measurement places with rectangular geometries
For connection to NivuFlow 650 transmitters. High accurate flow measurement based on the transit time method for open channels and waters, mainly process water channels and natural water bodies.
More info
NOS rod sensors are part of a fixed measurement system for continuous flow measurement and storage of the recorded measurement data. They can be used for clean to slightly polluted media. Due to their mechanic construction the sensors are particularly suitable for use in part filled flumes with vertical walls.
The sensor holders are designed to install the sensors above the water level. The water level hence does not need to be lowered and moreover divers are not needed.
| Common Specifications | |
|---|---|
| Measurement principle | Ultrasonic transit time method |
| Measurement frequency | 1 MHz, 200 kHz |
| Velocity range |
±25 m/s Minimum flow velocity: 0.01 m/s |
| Channel widths | 0.5 – 200 m (other channel widths on request) |
| Accuracy | Flow velocity (vaverage) ±0.1% of measurement uncertainty value within the path |
| Protection | IP68 |
| Operating temperature | -40 °C to +50 °C |
| Storage temperature | -40 °C to +70 °C |
| Cable lengths |
10 / 20 / 30 / 40 / 50 / 60 / 70 / 80 / 90 / 100 m Extension option: sensors can be connected to extension modules; max. cable length between extension module and transmitter: 200 m |
| Medium-contacting materials | Stainless steel 1.4571, CFK (carbon), Viton® |
| Temperature / sound velocity measurement range | 0 °C to +60 °C |
| Temperature measurement error | ±1 K |
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