SpecificationsPEN200mR Scale increments of 10mREnergy Dependence±10% maximum change in sensitivity for x and gamma ray energies from 16 keV to 6 MeV. Electrical LeakageIn the absence of radiation, the dosimeters leakage or self discharge is less than 0.5% of full scale in 24 hours at 50° C. At 20° C dosimeters will read background radiation. After gross over exposure totaling up to 2000 R, the leakage is less than 5% of full scale in 48 hours at 20° C. Thereafter, the leakage will decrease to original values.Energy Dependence±10% maximum change in sensitivity for x and gamma ray energies from 16 keV to 6 MeV. Charging VoltageDosimeters are capable of being charged to "zero" with 140 to 195 volts.Accuracy±10% of true dose for Cs-137 or Co-60 gamma.Rate ResponseDosimeters are dose rate independent.Enclosure MaterialBarrel - carbon fiber-filled, high-strength, electrically-conducting plastic with metal clip.WeightApprox. 19 grams (0.7 oz.) SizePEN- 200, 500 2mSv, 5mSv Length: 11 cm (4.48 inches) Diameter: 1.5 cm (0.6 inches) PEN- 2, 5, 20 Length: 11.5 cm (4.52 inches) Diameter: 1.5 cm (0.6 inches) OptionsProtective sapphire lens Operational CharacteristicsA maximum change in sensitivity of ±10% may occur under any probable combination of the following:Temperature range below -20°C (-4°F) or above +50°C (122°F)Greater than 50,000 foot altitude for one monthRelative humidity greater than 95% Highly resistant to shock and vibration.
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