Innovative-Developing Enterprise "Calmet" Ltd. was founded in 1989 by designers from Calibrators Laboratory of Lumel's Research & Development Centre. It was arisen for meet the needs of designing, production, selling and servicing a new kind of calibrators and electric equipment testers. Name Calmet derive from words CALibrators and METrology - the main action's field of Calmet company. For several years, about 70% of our sale has made export, mainly to EU and Asia countries. Topic of export are:*equipment sold by using our own brand Calmet,*special order realized projects,*equipment sold by using brand of other companies.Equipment designed and produced by us, are used in many laboratories all over the world using brand many different companies or our own Calmet as well. It is possible thanks to our many years experience in designing, production and servicing of new electronics and computers technology devices. Traditionally we specialize in electrical power quantities generating - calibrators of voltages, currents and power. Since 1996 we have also busy with testing electricity meters and power network parameters analysing - meters testers, standard meters and connected with them network parameters meters. Since 2002 we have involved in generating and measuring network quality parameters - calibrators, network quality recorders and analysers. Since 2006 we have been also interested in automation of electro-utility automatic protective equipment testing - relays and modern digital protection. We work according to ISO 9001:2009 Quality System.