Tergotometer is a versatile laboratory scale multiple washing machine which simulates the action of a domestic washing machine for testing of textile samples prior to any analysis for colour and detergent. The Tergotometer combine three to Six miniature washing machine simulators within a single bench top instrument allowing samples to be processed simultaneously under identical conditions of speed, time and temperature. The Tergotometer has temperature range from 10 to 80 deg.C. The Tergotometer has speed up to 150 RPM.