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Radiation Oncology - Pressurized μR Ion Chamber

     
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                                 Radiation Monitoring

451P Pressurized μR Ion Chamber Radiation Survey Meter
The auto‐ranging 451P ion chamber radiation survey meter features a
pressurized ionization chamber, providing enhanced sensitivity (μR resolution)
and improved energy response to measure radiation rate and dose from x‐ray
and gamma sources.
Key Features
• High sensitivity μR measurements of rate and dose simultaneously, with the
capability to record peak rate
• Ergonomic, anti‐fatigue handle with replaceable grip, wrist strap and tripod mount

Radiation Monitoring 451P Pressurized µR Ion Chamber in India Radiation Survey Meter 451P Pressurized µR Ion Chamber Radiation Survey Meter 451B Ionization Chamber Survey Meter with Beta Slide Digital Pocket Dosimeter Bleeper

• Programmable flashing LCD display and audible alarm
• Easily‐accessible battery door (operated by two 9‐volt alkaline batteries) on the outside of the bottom case
• RS‐232 communications interface with op􀀑onal Windowsbased Excel add‐in for data
logging
• Available with dose equivalent energy response (SI units)

Radiation detected Beta above 1 MeV, Gamma and x ‐rays above 25 keV
Operating ranges 0 to 500 μR/h or 0 to 5 μSv/h
0 to 5 mR/h or 0 to 50 μSv/h
0 to 50 mR/h or 0 to 500 mSv/h
0 to 500 mR/h or 0 to 5 mSv/h
0 to 5 R/h or 0 to 50 mSv/h
Accuracy Within 10% of reading between 10% and 100% of full‐scale indication on
any range, exclusive of energy response.

451B Ionization Chamber Survey Meter with Beta Slide
The auto‐ranging 451B ion chamber survey meter measures radiation rate and accumulated
dose from beta, gamma and x‐ray radiation sources.

451B Ionization Chamber Survey Meter with Beta Slide

Product Specifica tions

Radiation detected Alpha above 7.5 MeV, Beta above 100 keV, and Gamma above 7 ke V
Operating ranges 0 to 50 R/h

Digital Pocket Dosimeter (Bleeper)
The Bleeper is a simple, convenient instrument for alerting personnel to the presence of x‐ray or gamma radiation. The instrument operates continuously and provides a clear, audible indication of dose rates.
While it produces a “bleep every 15 minutes for normal background radiation, the frequency of the “bleeps increases with the dose rate until a continuous tone is
achieved in high radiation fields.

Digital Pocket Dosimeter
Sensitivity to background
radiation:
Approx. 1 bleep per 15 minute s.
1 mR/hr: Approx. 1 bleep per 20 secon d s.
100 mR/hr and up: Continuous signal (to at least 6000 R/ hr)
Energy range: 4 5 keV/h t o 6 Me V