The 190PDE is a heat meter that utilises the 190PD ultrasonic flow meter and a pair of temperature probes to provide a convenient portable heat meter suitable for short term non-invasive heat meter and flow monitoring. Transducers provide a wide pipe diameter range from as small as 15mm up to 300mm and the meter itself can be configured for various different pipe materials and thicknesses. The temperature probes can be clamped to the pipe, or inserted into the pockets.
The 190PDE portable heat meter is supplied with two matched precision temperature probes that are to be clamped to the flow and return pipes of the heating or cooling system. Alternatively, they can be inserted into pockets, if available or coupled to the pipe using heat transfer cement.
The unit measures the flow rate and the temperature difference, then using the internally stored specific heat capacity and density of the selected fluid at the measured temperature automatically calculates the energy flow rate and energy total. Very accurate measurements are possible easily meeting the accuracy requirements of EN1434.
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