Data sheet Flow Meter DFM
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Data sheet Flow Meter DFM - 1

SINGLE Flow Meters DFM4 Series SINGLE fl ow meters of the DFM4 series measure the fl ow rate of temperature and cooling circuits. For applications using water as a transfer medium, DFM4 monitors the fl ow rate and measures medium temperatures up to 200 °C. Used for applications with heat transfer oil, the fl ow meter measures temperatures of up to 350 °C. The DFM4 fl ow meter offers comprehensive process information as well as monitoring and alarm functions. In contrast to many conventional fl ow meters used for temperature control applications, SINGLE DFM4 operates without moving components and measures the fl ow rate by means of the differential pressure across an orifi ce plate. Hence, it is virtually maintenance-free and unaffected by contamination. The fl ow rate can be displayed in l/min or m³/h as required. The temperature is displayed in °C. A variety of different metering ranges are available for both water and oil as transfer media. Each DFM4 fl ow meter is delivered with technical documentation including CE mark and factory certifi cation. Standard equipment General • Circulating medium water up to 90 °C • Completely assembled • Compact design • Flow pipe made from stainless steel Electrical equipment and control • 2 m connecting cable • 24 V supply voltage • Programmable limit values for fl ow rate and temperature with optical signal and relay output Design options • Circulating medium water up to 200 °C (modular design with capillary pipe coil) • Circulating medium heat transfer oil up to 350 °C (modular design with capillary pipe coil) • Variety of different metering ranges from 20 to 1,000 l/min max. • Different hydraulic connections Options • 230 V power supply unit • Capillary pipe coil for temperatures above 90 °C • Replication with factory certifi cate • Analogue output 4...20 mA for fl ow rate 01/2010 GB SINGLE Temperiertechnik GmbH, Ostring 17-19, 73269 Hochdorf/Germany Tel.: +49 (0)7153/3009 - 0, Fax: +49 (0)7153/3009 - 50, www.single-temp.de

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