Accuracy Thermistor ±0.36°F (0.2°C) RTD ±0.55°F (±0.30°C) Sensor Type Thermistor 10 kΩ Type II & III RTD 100Ω,1000Ω, 385 curve; 1000Ω, 375 curve Temperature Range 32° to 158°F (-0° to 70°C°) Stability < 0.036°F (0.02°C) per year, 0.14°C with 6,000 continuous hours at 400°C Heat Dissipation 2.7 mW/°C (power need to raise the temperature 1°C), 0.4°C/mW at 0°C Enclosure Rating NB: No box with 18" leads JB: NEMA 1, 2" x 4" J-box with 1/2" knockouts BB: NEMA 4, BAPI Box IP66 rated, NEMA 4 UV-resistant polycarbonate BB2: NEMA 4, BAPI Box 2 IP66 rated, NEMA 4 UV-resistant polycarbonate BB4: NEMA 3R, BAPI Box 4 IP44 Nylon & Plastic WP: NEMA 3R cast aluminum Mounting Directly to Duct, with clips to mount coil Wiring Terminations 22 AWG wire, etched teflon leads Weight 1 to 2 lbs (Varies with probe length) Approvals CE, RoHS Warranty Lifetime