Mehru electrical and mechanical engineering [p] limited present high voltage test sets. The company manufactures precision optical instruments for agricultural universities and industries. The high voltage test sets are available in portable model, ranging from 2.5kv to 600kv on standard rate of 100 ma for 30 minutes. High voltage test sets are also available with ratings higher than 100 ma, on request. The high voltage test sets contain hv test transformer, control panel, auto transformer [dimmerstat].