* Choose from three models covering temperatures from -45 to +650 degrees C * Two versions - the basic 'S' and microprocessor based 'H' version * High accuracy and stability * Large interchangeable multiple-drilled insert * Unique temperature zone * Rapid heat-up and cool-down times * Calibration software as standard on 'H' versions * RS232 interface for data and programme transfer or real-time control * Fast settling time for rapid testing