Kamstrup MULTICAL 403 heat meter

The Kamstrup MULTICAL 403 reflected in the image is a high-precision ultrasonic heat meter used to measure energy consumption in district heating or cooling systems. Founded in Denmark, Kamstrup has established itself as a global leader in smart metering solutions for water and energy. The device shown is specifically labeled as a 'Warmtemeter' (Dutch for heat meter) and features a digital display showing consumption in Gigajoules (GJ).

Kamstrup maintains its manufacturing hub in Stilling, Denmark, where highly automated production lines ensure the precision required for MID-certified metering equipment. The company is owned by OK amba, a Danish cooperative energy company, ensuring that the brand remains under Danish ownership and aligned with European energy efficiency standards.