Automation Products Group”sPR Series pulse radar level sensors are designed to deliver accurate,reliable, noncontact level measurement in challenging environmentalconditions. Providing the process industry standard output of 4-20 mA,the sensors operate using a frequency burst at 6.3 GHz. The sensorsprovide a detection range up to 100 ft. (30 m), resolution to 0.22 in.(5.7 mm), and accuracy to 0.25 percent of maximum range. The standardoperating temperature range is -40 to 140 F (-40 to 60 C), with highertemperature ranges available on special order.