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Pen Dosimeters
The PEN200mR and PEN5R carbon fiber dosimeters are rugged, precision instruments. Designed to satisfy military specifications for the RADIAC METER IM-264/PD and ANSI N13.5 and N322, the quality and reliability are greatly improved over other dosimeters of this type.

A high strength clip is used to attach the dosimeter to a pocket or any object to measure and directly read, at any time, accumulated dose or quantity of gamma and x-ray exposure. The PEN is hermetically sealed and immersion proof.

Specifications :

  • Exposure Range :
    PEN200 : 0 to 200mR (gamma and x-rays).
    PEN5 : 0 to 5R (gamma and x-rays).
  • Accuracy : ±10% of true dose for Cs-137 or Co-60 gamma.
  • Energy Dependence :
    PEN200 : ±10% maximum change in sensitivity for x and gamma ray energies from 30 keV to 1.25 MeV.
    PEN5 : ±10% maximum change in sensitivity for x and gamma ray energies from 30 keV to 2 MeV.
  • Rate Response : Dosimeters are dose rate independent.
  • Electrical Leakage : In 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.
  • Charging Voltage : Dosimeters are capable of being charged to "zero" with 140 to 195 volts.
  • Optional Characteristics : 1. A maximum change in sensitivity of ±10% may occur under any probable combination of the following; A) Temperature range of -20°C to +50°C, B) Greater than 50,000 foot altitude for one month, C) 95% Relative humidity.
    2. Highly ressitant to shock and vibration.
  • Weight : Approx. 19 grams (0.7 oz.)
  • Size :
    PEN200 : Length ; 11 cm (4.48 inches) - Diameter ; 1.5 cm (0.6 inches)
    PEN5 : Length ; 11.5 cm (4.52 inches) - Diameter ; 1.5 cm (0.6 inches)
  • Materials : Barrel - carbon fiber-filled high strength electrically conducting plastic with metal clip.
CAT. NO.

DESCRIPTION

SEPEN200-0........ Carbon Fiber Pen Dosimeter 0-200 mR
SEPEN5-000........ Carbon Fiber Pen Dosimeter 0-5 R