For over 150 years, DIEHL Metering has produced more than 6.5 million meters and 4.1 million radio modules every year for international customers in water, heat, cooling, gas and electricity supply and sub-metering. DIEHL Metering has developed highly accurate water and heat meters. Their meters for water, thermal energy, gas and electricity focus on communication capability and ultrasonic/electronic technology for meter reading over radio or M-Bus. Software for reading, visualization and management of data is developed in-house.