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Self-sufficient, contactless flow metering

February 27, 2018  By Ground Water Canada

Nivus has developed a transit time transmitter to provide continuous, long-term flow measurements via smartphone in harsh weather conditions.

The NivuFlow Mobile 600 flow transmitter has been developed particularly for long-term measurements in full pipelines, the company said in a press release. It helps achieve high endurance by using energy-efficient algorithms, sensors and high-capacity rechargeable batteries.

According to Nivus, a five-minute-cycle for measuring and recording makes it possible to measure up to one year without battery replacement. The transmitter features multiple storage cycles with internal data memory designed for longer measurement periods.


Contactless clamp-on sensors and pipe sensors for direct measurement in the medium are available. Both sensor types share quick and easy mounting without the need to shut down running processes. The clamp-on sensors do not have any medium contact and are clamped onto the pipe outside.

Thanks to the high protection rating of sensors and transmitter (IP68) it is possible to operate the measurement system even under harsh ambient conditions. For example, operators can replace batteries even during heavy rain to help ensure uninterrupted measurements for long-term projects.

The transmitter is controlled on site through smartphones, tablets or notebooks. Connection is set up using a WLAN created by the transmitter itself. No plug-ins or apps need to be installed to operate the system. During poor weather conditions, in strong sunlight or in case of limited access to the measurement site it is possible to operate the instrument from protected areas such as service vehicles.

Typical NivuFlow Mobile 600 applications include leakage detection, heat quantity measurement, pump verification, water-supply monitoring, monitoring of inlets and outlets conducting cooling water or circulation systems as well as monitoring of process water and service water.

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