In accordance with the 30470 legislation Heatmeters must go through an periodic inspection. The inspection is done in accordance with EN1434-5 verification tests. The results should be within the MPE(Maximum Permissible Error) range in order to continue the usage of the Heatmeter. QMET serves its clients through the periodic inspection period. Services are consultancy for application, installation, communication grid controls and transport of the Heatmeters to a authorized inspection company such as QLAB.