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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.
NOS hemispheric and ballhead 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 in part filled and full flumes as well as channels featuring various geometries and dimensions.
|Measurement principle||Ultrasonic transit time method|
|Measurement uncertainty||flow velocity (v average) ± 0.1 % of measurement uncertainty value within the path|
Offset velocity < ± 5 mm/s
|Measurement frequency||1 MHz, 200 kHz, and or 500 kHz|
|Operating temperature||-20 °C to +50 °C|
|Storage temperature||-30 °C to + 70 °C|
|Operating pressure||max. 1 bar|
|Cable lengths||10/15/20/30/50/100 m pre-configured, with underwater plug to facilitate Installation|
Extension option: Sensors can be connected to Extension modules NFE, cable length between NFE and Transmitter max. 200 m
|Weight (sensor head)||approx. 1000 g|
|Medium-contacting materials||Hemisphere sensor: stainless steel 1.4571, CFK (Carbon), POM, PUR, underwater plug and socket made of Neoprene|
Specifications subject to change.