NTC Thermistor Temperature Probe – This probe has been specifically designed to measure the temperature between packs or boxes of produce. The between pack probe has a response time of less than three seconds. Probe temperature range -40 to 150°C. The probe incorporates a heavy duty ribbed, polypropylene handle and the tip dimensions are 6 x 130mm. Suitable for use with the Therma 20, 22, Therma 20 Plus, 22 Plus & 8100 PlusThis NTC thermistor between pack probe for the ETI Therma 20 thermometer.