Dwyer O-4B SKU: O-4B $14.44 $17.35 Quantity -+ Add to Shopping Cart In Factory Stock Details Dwyer O-4B : Outside Air Temperature Sensor, 10K Ohm Type II Thermistor, -40 to 250 Degree F, NEMA 4X (IP66) Enclosure, 5-Year Warranty Data Sheet DetailsData Sheet Back Dwyer O-4B : Outside Air Temperature Sensor, 10K Ohm Type II Thermistor, -40 to 250 Degree F, NEMA 4X (IP66) Enclosure, 5-Year Warranty Back