The Multical 402 is a heat meter that utilises an ultrasonic flow meter and PT500 temperature probes. This unit is ideal for the measurement of energy consumption in family and multiple occupancy housing, housing associations, blocks of flats and small industry. Suitable for pipe diameters from 1/2" to 2" with threaded connections and flanged connections of DN25 to DN50.
The Multical 402 is a compact ultrasonic meter which can register the exact consumption due to its supreme measuring accuracy. The meter is maintenance-free and has a long lifetime which guarantees minimum yearly operating costs.
The Multical 402 is used for heat, cooling and combined heat /cooling measurement in all water-based systems with temperatures from 2 to 160°C. The meter has been developed for measurement of energy consumption in family and multiple occupancy housing, housing associations, blocks of flats and small industry.
Functionality
The Multical 402 consists of calculator, flow sensor and two temperature sensors and is simple to install, read and verify. The flow sensor range for the Multical 402 comprises of the sizes 0.6 – 15 m³/h, and the supply options are 230 or 24 VAC mains module, 2xAA-cell battery, or D-cell battery with up to 16 years’ lifetime. The unit is fitted with a connector for the supply and thus, it is easy to change battery or mains supply.
The calculator’s two front keys make it easy to adjust date and time or reset operating hour counter and info-event counter. Furthermore, the keys can be used to display log data, including yearly or monthly logger.
The Multical 402 receives pulses from up to two connected hot or cold water meters and carries out remote accumulation of energy and volume via pulse outputs. If you change from pulse input to pulse output, the meter is automatically configured for pulse inputs and pulse outputs respectively – without manual reconfiguration.
Wireless reading
The meter is remotely read via Wireless M-Bus or radio module. Consumption data is read, saved and transferred by means of the USB Meter Reader. Furthermore, radio can be read by means of a hand-held terminal or form part of a radio network. The transferred data is used for individual billing, consumption analysis and/or energy optimisation.
This unit replaces the previous Multical 401 ultrasonic flow meter.
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