HP Agilent 8481B Sensor/ Calibrated with Certificate/ Sensor Storage Case admin Note about HP 8481B sensors. 8481B Power Sensor (10 MHz to 18 GHz; 0 to +44 dBm) (1 mW to 25 watts). This 8481B Power Sensor is in excellent condition. Also included is a custom storage case for the sensor.GiMiTEC.infoAAS, Column, consumable, GC, GiMiTEC, HPLC, spare part 25 September, 2020