HP Smoke Alarm 81531A manual

DTestModelNoIII..TestNon-Noise12345HPRangeFormula0dBm-DescriptionSpecLinearity81531ATestR3+SensorR1+2R3+44Performance+R135ModuleNo-Minimum0.015dB.Testfo.0ResultSpec.000dBrtheHPpWdB+081531AMaximumMeasurment<1..5pW015dB.DateUncertainty60P..age0dB10dB684of4D-12Performance Tests