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07-CRXW Wireless CR RADCHEX by Fluke Biomedical to calibrate computed radiography (CR) plate readers and automatic exposure control (AEC)

Departmental, hospital and regional quality assurance:

  • single department with a single x-ray room and CR plate reader
  • single department with multiple x-ray rooms and CR plate readers
  • hospitals with multiple x-ray-departments and CR plate readers
  • regional systems for multiple hospitals, departments & CR systems

advantages

Fluke Biomedical QA Radchex Meter:

  • simple, quick, effective and inexpensive quality assurance
  • technologists find it very user-friendly
  • effective for regional systems responsible for quality assurance of multiple CR facilities
  • synchronise with central database

How to use the QA Radchex meter:

  • weekly check to determine whether there is equipment calibration ‘drift’
    • quick: x-ray machine takes 5 minutes & CR plate reader takes 15 minutes
    • plot QA values on graphs to monitor / track weekly trends in ‘drift’
      • software (Excel) permanently stores graphs / spreadsheets to database
      • software prints hard copy of graphs from database
  • periodic monitoring of single or multiple units can be done locally or regionally
    • objective & continuous quality assurance
    • targeted / corrective action plans (e.g. recalibration) are more cost effective

Note to x-ray technologists regarding ALARA

If you are responsible for ensuring patient radiation exposure ‘As Low As Reasonably Achievable (ALARA)’ on a single or multiple x-ray/CR unit(s), this meter is essential. It’s an all-in-one, systematic way to measure, monitor, track, print and store results of weekly CR equipment ‘tracking’ assessments to produce periodic reports.

application field
CR Radchex user application wheel

specifications

X-ray energy dependence:

Simulates relative light output of photostimulatable phosphor plate (psp) within ± 3% over kVp range of 60 kVp to 120 kVp and a patient equivalent thickness range of 5 cm to 35cm (within specified operating rates)

Digital range

Computed radiography light units; CRLU (AEC#); 0 to 500

Minimum CRLU rate

1.5 /s (approx. 0.15 mR/s entrance exposure rate)

Maximum CRLU rate

2500/s (approx 250 mR/s entrance exposure rate)

Power on/off

Manual switch

Controls

Wireless communications with computer software; Bluetooth wireless communications

Functions

Measures CRLU (AEC#) ; converts CRLU to CR manufacturers specific CR plate reader light exposure index values for various x-ray beam conditions (exposure in mR plus backscatter)

Power requirements

Built-in NiMH rechargeable battery pack(9.6 V)

Typical battery life between charging

> 15 hours

X-ray beam filter

1.5mm copper (B152-110); 6 in x 6 in complete with velcro straps to attach to x-ray tube collimator housing

Environmental requirements

Operating temperature: 59 ºF to 95 ºF (15 ºC to 35 ºC)

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