The Multical 403 is designed to monitor the energy transfers in all types of thermal installation where water is used as the energy-conveying medium. The meter utilises an ultrasonic flow meter and two temperature sensors to measure the flow rate and temperature of the outgoing and returning water to calculate the energy transferred. Suitable for pipe diameters from ½" to 2" with threaded connections and flanged connections of DN25 to DN50. The meter also includes ...