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ThermoScientific
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EPD Mk2* Electronic Personal Dosimeters

Thermo Scientific* EPD Mk2* can be a single stand-alone dosimeter or part of a comprehensive dosimetry management system, such as webREMS or ViewPoint Enterprise.
Excellent response to gamma, beta, and X-radiation.
 
 
 
 
Part Number Description   Quantity
EPD/1/62920/120 Dosimeter (Gray)
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EPD/1/62920/220 Dosimeter (Green)
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EPD/1/62920/320 Dosimeter (Blue)
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EPD/1/62920/420 Dosimeter (Black)
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EPD/1/62920/620 Dosimeter (Red)
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EPD/1/62920/720 Dosimeter (Fluorescent yellow)
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EPD/1/62920/020 Dosimeter (Yellow)
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EPD/1/62920/122 Dosimeter (PTB-approved, Grey)
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EPD2GOLD NIST certified golden EPD Mk.2
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EPD-MK2-DS3 3 year extended depot service warranty for EPD Mk2
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Please Note: Availability may vary by country. Show All
 
  • Multiple diode-based detector technology
  • Audible and visual alarms for dose, dose rate, count down time, read time and failure modes; Hp(10) dose chirp settable from 0.01µ to 100µSv/chirp (1µrem to 10µrem/chirp)
  • Rapid Infrared communications to reader/PC or stand-alone operation
  • Communications: IR interface up to 1 meter range (39 in.)
  • Display and function control by a single button on front (recessed to prevent inadvertent operation)
  • Excellent immunity to electromagnetic interference
  • Easy to read display with optional backlighting
  • Advanced radiological performance, 15 keV to 10MeV
Radiological

  • Sensitive to X and µ radiation, β particles
  • Direct readout of dose equivalents Hp (10) (deep/whole body) and Hp (0.07) (shallow/skin)
  • Display Units: Sv and rem (with prefixes) or scaled in Sv and cGy (with prefixes)
  • Neutron response <2%
  • Dose display and storage 0 µSv to <16Sv (0mrem to <1600 rem) auto ranging
  • Resolution for display 1µSv (0.1µrem), up to 10mSv (1 rem)
  • Resolution for storage 1/64µSv (=1.5µrem)
  • Dose rate display 0 µSv/h to >4Sv/h (0µrem/h to >400 rem/h) auto ranging

Energy response:

  • Photon, Hp(10)
    • ±50% 15 keV to 17 keV (ref. 137Cs)
    • ±20% 17 keV to 1.5MeV (ref. 137Cs)
    • ±30% 1.5MeV to 6MeV (ref. 137Cs)
    • ±50% 6MeV to 10MeV (ref. 137Cs)
  • Photon,Hp(0.07)
    • ±30% 20 keV to 6MeV (ref.137Cs)
    • ±50% 6MeV to 10MeV (ref. 137Cs)
  • Beta, Hp(0.07)
    • ±30% 250 keV to 1.5MeV E (ref.90Sr/90Y)

Angular response:

  • Hp(10) 137Cs ±20% up to ±75°
  • Hp(10) 241Am ±50% up to ±75°
  • Hp(0.07) 90Sr/90Y ±30% up to ±55°

Dose rate linearity:

  • Hp(10) 137Cs
    • ±10% <0.5 Sv/h (<50 rem/h)
    • ±20% 0.5Sv/h to 1Sv/h(50 to 100 rem/h)
    • ±30% 1Sv/h to 2Sv/h(100 to 200 rem/h)
    • ±50% 2Sv/h to 4Sv/h(200 to 400 rem/h)
    • Between 4Sv/h and 50Sv/h continues to accumulate dose at a rate > 4Sv/h
  • Hp(0.07) 90Sr/90Y
    • ±20% <1Sv/h (<100 rem/h)
    • Between 1Sv/h and 50Sv/h continues to accumulate dose at a rate > 1Sv/h

Memory

  • 10-year data retention without battery
  • Short term dose registers for Hp(10) and Hp(0.07)
  • Approved Dosimetry Service (Dose of Record) dose memory area with password protection
  • Peak dose rates with time of occurrence
  • All stored times have 1 second resolution
  • Count down timer, 1 hour 39 minutes 59 seconds maximum, resolution 1 second
  • Event log, 23 entries for time recording of alarms, etc., for incident assessments

Dose profile history

  • Settable interval from 2 seconds to 35 hours
  • Stores transitions of Hp(10) and Hp(0.07) at a resolution of 1µSv (0.1µrem)
  • Stores up to 579 records for transitions up to 127µSv or less

 
 
 
 
 
 
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