Greystone - Sensor Type 5 - 1800 ohm thermistor. Stainless plate \/ surface c\/w tamper proof screws","Space Temperature Sensors. The TE200 Series space temperature sensors are available in a wide selection of enclosures with a variety of options including LCD, setpoint adjustment and push button override capabilities.","TYPE 2: 1801 ohm, NTC Thermistor, ±0.2°C.