Feature:1. Excellent Stainless Steel Material: This radiation detector is made of excellent stainless steel material for the shell, which has high erosion resistance.2. Compact Size: This nuclear radiation detector is compact enough to be installed in a variety of places without taking up much space.3. Wide Application: This nuclear radiation detector has a wide range of applications and can be used at home, hotels, offices, shopping malls and so on.4. Accurate Testing: This radiation detector can collect polar equilibrium potential variations within the basic parameters at 40C and 95% relative temperature and humidity.5. Easy To Install: This nuclear radiation detector is easy to install and does not require complicated tools to install.Specification:Item Type: Nuclear Radiation DetectorMaterial: Stainless Steel, PolyurethaneCollector Electrode Equilibrium Potential 5.50.3 VCollector Pole Potential Varies with Smoke ConcentrationDimming Rate: 1%/ft 0.6 VDimming Rate: 4%/ft 2.2 VInsulator Leakage Current (Maximum): 0.5 pACapacitance ( Between Collector Pole to Outer Shroud and to Source Base Pole): 6pFIonization Source Characteristics and Radiation Safety PerformanceA high performance low activity Am 241 ionization source is installed in the ionization chamber.Ionization Source Activity 0.5Ci(18kBq)10% 0.8Ci(30kBq)10Ionization Source Alpha Energy Spectrum Peak 4.5MeV10%FWHM0.7 MeVSafety Polarization Standard (GB4075ISO2919) C64444Radiation dose rate at 25cm of the ionization chamber 0.03mGy/year (lower than the human population dose standard 1mGy value)..Package List:1 xNuclear Radiation Detector