Specifications: Sensor: OMEGA ® Series 400 Thermistor (2252 ohm @ 25°C) or thermistors with 44004 element Accuracy: Includes repeatability, temperature coefficient (18 to 28°C ambient), times stability (1 year) and linearization conformity errors. Excludes probe errors Repeatability: 0.2°F (0.1°C) typical for one week at constant ambient temperature Temperature Coefficient Temperature Coefficient: 64 to 82°F (18 to 28°C); included in accuracy specification. Less than 64°F (18°C) or greater than 82°F (28°C) less than ± (0.06% rdg + 0.01°C)/°C Linearization: Ratiometric dual slope A/D with continuous linearization Mating Connection: 1 /4 " phone jack; Model PPM-2