The Sofamel Sofamel VTE-5 models have advanced technology that guarantees a perfect and safe indication even in conflicting electric field environments. The detect the voltage by direct contact to indicate to the operator if there is an electric field and to be able to guarantee that the area is safe for work. The climate category is N and the conditions for use and storage are, from -25°C to +55°C for the temperature and, from 20% to 96% for the humidity. 5 to 36 or 66 kV options.