Range -20-+10dBm 10uW,30uW,100uW,1mW,3mW,10mW Noise 0.25% of full scale Response 35ms for Recorder output Fine Zero automatic Zero function Cal Factor 100%-88% 13step Sensor Thermistor Sensor 478B,8478B,486series Recorder output 1V(full sacle) AC 110V/230V +-10% 50-400Hz 1.5W 2.3Kg 130W155H279D