Accuracy:Thermistor temperature sensor: ±0.22°C @ 25°C (±0.4°F @ 77°F); RTD temperature sensor DIN Class A: ±0.15°C @ 0°C (±0.28°F @ 32°F).Temperature Limits:Operating: -40 to 302°F (-40 to 150°C).Sensor Curves:See Resistance vs. Temperature Table.Cable Rating:Plenum option includes UL listed plenum cable.Housing Material:Meets UL, 94 V-O polycarbonate plastic.Thermowell Material:TE-I: 304 SS.Housing Rating:NEMA 4X (IP66) (DFW, IBW only).Weight:5.3 oz (150.3 g).Agency Approvals:Meets the technical requirements of EU Directive 2011/65/EU (RoHS II).