Elis Plzen has introduced the Sonotherm 3070, an ultrasonic heat and cold meter intended for measuring absolute heat/cold quantities delivered to plants, or otherwise consumed in closed water heating and cooling systems. When used as a commercial meter, the instrument can be located either at the input hot-water piping to buildings or premises, or at the output of heat sources ahead of a heat exchanger.
The meter measures and stores information on heat quantity calculated from the water temperatures measured at the input and output piping by means of coupled resistance temperature sensors Pt 100 (Pt 500). The heating/cooling water flow rate is measured by an ultrasonic flowmeter. It has a temperature range of 0 to 150°C with a minimum differential of 2°C and a flow range of 0,05 to 23 000 cubic metres per hour.
The SN3070 is supplied in the following configurations:
• Electronic unit MTU2.00.
• Coupled resistance temperature sensors Pt 100 (Pt 500).
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