Flowmeter made for harsh environments

Published: 1-Oct-2005


Krohne has enhanced its DK37 range of variable area flowmeters. The instruments now come with a rugged, all-metal construction and either an analogue or digital display.

The DK37 M8M and M8E indicate the instantaneous flow value of liquids and are suitable for a range of applications where reliable measurement is needed in harsh environments. The DK37 M8M model provides an analogue indication of flow rate, while the M8E has a digital display. The range is equipped with a new electronic signal converter (SEC), which has been redesigned to provide higher measurement accuracy through improved resolution of its analogue to digital converter.

The M8E model is Highway Addressable Remote Transducer (HART)-compatible, with a linear current, two-wire circuit output of between 4-20mA that enables it to measure reliably ultra low flow rates. A three-wire circuit output of 0-20mA is also available. In addition, the flowmeter is equipped with a flow totaliser that can be configured through the user interface. Recalibration can also be carried out for new operating conditions via its software and without the need for dismantling.

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