Test & measurement
instruments with energy or transmitting measuring data via land lines. It is precisely for such applications that Endress+Hauser has developed the innovative Promag W 800 flowmeter with battery operation. It allows maintenance-free long-term operation for up to 15 years as well as worldwide secure data transfer via cellular radio. The Promag W 800 electromagnetic
T
flowmeter ensures not only reliable monitoring of water supply networks, but also their efficient and time-saving maintenance. In this way, for example, leaks can be localised reliably and non-billable water losses (non-revenue water) can be avoided. Promag W 800 is suitable for measuring lake, river, spring or groundwater, for drinking and process water as well as for applications in distribution networks subject to fiscal metering. Likewise of great importance are consumption measurements when irrigating the frequently huge agricultural areas in climatic dry regions. Promag W 800 has a backlit display that
makes reading the measured values quick and easy. The SmartBlue app is used for operation and more comprehensive data retrieval on site. Promag W 800 is also available with various drinking water approvals such as KTW/W270, WRAS BS6920, ACS or NSF 61. This guarantees reliable monitoring of water flows and long-term economical operation:
Reliable, seamless consumption
measurements with a max. measured error of ±0.5 per cent
Exact cost allocation and billing in accordance with the law
Reliable monitoring of important
characteristic variables such as water volume, totaliser, limits, etc.
Targeted leakage detection, e.g. by water balancing between two measuring points or by reading in pressure changes caused by water losses
SEcurE WorldWidE daTa TranSmiSSion and accESS For future-oriented communication and connectivity, the Proline 800 transmitter includes everything needed in minimal space: measuring electronics, batteries, data logger and a cellular radio module to send and receive data worldwide via LTE Cat M1, LTE Cat NB1 or EGPRS. Furthermore, it can be used to call up measured values and status messages online, such as flow, pressure, totaliser, device and process status, alarm messages, level of battery charge and many others. Various Endress+Hauser solution tools are
available for this purpose. One of these is the “Netilion Value” app for easy access to the most important measured values of a specific
48 Battery-powered flow measurement
with integrated cloud connection The Proline Promag W 800 from Endress+Hauser provides reliable and maintenance-free volume measurement of drinking and process water, especially in regions without power supply.
device, another “Netilion Water Network Insights”, a cloud-based solution for monitoring and visualising extensive water networks in which Promag W 800 is employed. Using a customer’s own SIM card, it is also possible to integrate Promag W 800 into customer-specific SCADA systems. For all connection variants, the global end-to-end encrypted data transmission guarantees maximum security in measuring operation. In addition, the extended data logger safely stores up to 50 000 measured values or entries.
long-TErm oPEraTion undErground or undEr WaTEr Flowmeters are often exposed to heat, dust or climatic variations. Installation under water or underground is even more demanding. The robust and fully welded Promag W sensor resists such environmental conditions without any problems. Users can order Promag W with a specially certified corrosion protection (EN ISO 12944) and IP68 (Type 6P) degree of protection, which completely prevents water ingress. Both order options guarantee long-
June 2021 Instrumentation Monthly
he extraction and transport of water often takes place in remote areas where there is no possibility to supply measuring
Proline Promag W 800 / 5W8C electromagnetic flowmeter with cellular antenna for worldwide data transmission.
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