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    • Mr. Pharwat ( General manager)     TEL 095-614-1554
    • Mr. Chollophat ( Sale manager ) TEL 087-804-4747
    • Mr. Narumon ( Human resoucer )           TEL 081-628-5060
    • Charanassociate co. ltd (office) TEL 02-1851383-4 , 02-712-5619-20
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  Whose registered address is at  723/2 Soi Thonglor
  Sukhumvit55  Road, Khongtan -nue ,Wattana, Bangkok 10110 
  Thailand. The company has been  operating since 1982 which is 
  about 34 years from now.  Our main business is the distribution 
  of laboratory equipment, in general for industrial firms and 
  Government sectors i.e  Universities, Colleges, Institute of 
  Technologies and research centers Equipments list include main
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Product/Service Detail
Product/Service >> Radiation Dosimeter (Detector) >> Radiation Dosimeter - Thermo EPD

Radiation Dosimeter - Thermo EPD - คลิกที่นี่เพื่อดูรูปภาพใหญ่

Radiation Dosimeter - Thermo EPD


Radiation Dosimeter - Thermo EPD

Code: 000940
ติดต่อ 02-7125619


  • 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


  • Sensitive to X and µ radiation, b 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




  • 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
  • Specifications
    Dose: 0mrem to > 1600 rem
    Dose Range: 0 mrem/h to > 400 rem/h
    Accuracy: Hp(10) 137Cs ±10%; Hp(0.07) 90Sr/90Y ±20%
    Alarms: Dual Hp (10) dose and dose rate alarms, Hp (0.07) dose and dose rate alarms; typically 98 dB(A) at 20cm with multiple modes
    Operating Temparture: -10 to +40°C (+15 to +105°F)
    Relative Humidity: 20 to 90% RH, non-condensing
    Battery Type: Either single "AA" battery 1.5V alkaline cell for up to 30 weeks continuous operation or 3.6V lithium for typically five to 10 months continuous operation (interchangeable) (depending on battery type)
    Dimensions: 3.3 x 2.5 x 0.8 in. (85 x 63 x 19mm) excluding clip
    Weight: 3.2 oz (95g) including battery and clip

    Cat. No. Description
    EPD/1/62920/120 Dosimeter, Gray
    EPD/1/62920/220 Dosimeter, Green
    EPD/1/62920/320 Dosimeter, Blue
    EPD/1/62920/420 Dosimeter, Black
    EPD/1/62920/620 Dosimeter, Red
    EPD/1/62920/720 Dosimeter, Fluorescent yellow
    EPD/1/62920/020 Dosimeter, Yellow
    EPD/1/62920/122 Dosimeter, PTB-approved, Grey
    EPD2GOLD NIST certified golden EPD Mk.2
    EPD-MK2-DS3 3 year extended depot service warranty for EPD Mk2

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