PDC

 


 

Display Screen Close Up

 





Assessment of an Instrument for Calibrating
Dose Area Product (DAP) Meters

          Radcal Corporation (California, USA) have developed a "Patient
          Dose Calibrator", (PDC) designed to allow quick and easy
          calibration checks of installed DAP meters.

          The PDC method of calibration is significantly quicker than our
          traditional method, and allows a full check of the DAP meter
          calibration over a range of field sizes and shapes and beam
          quaities.

 

 

The Route To Patient Dose Control
 
 
•
The PDC solves much publicized problems relating to variation of DAP, Patient Dose system and AEC calibration.
•
Measures DAP, DAP-rate, Dose and Dose-rate.
•
Ideally suited to aid the setting of reference doses.
•
Widespread use of the PDC by equipment manufacuturers, x-ray service organizations, physicists and radiation technologists will help acheive consistent patient dose levels.
•
Ion chamber performance.
•
Optical and radiographic alignment markers.
•
Simple to use with optional computer control.
Applications


• DAP and dose linearity with   dose and field size.

• Sensitivity testing.

• DAP and dose calibration at   the patient plane or at a   reference distance.

 



• Entrance surface dose   calibration for different   examinations using a   phantom.

• Establishing examination   related reference DAP and   dose levels.



• Image receptor dose   measurement.

• AEC linearity testing.
 
Support Elevation Stand








  Foam Elevation Support Stand fits inside the interior of the Carry Case lid

 

 

Portable Convenience

 

Technical Data
 
Display range
  Dose area product
  Air kerma

(0.01... 99 999 999)µGy·m3
(0.001... 99 999 999)mGy

Accuracy
  DAP
  Air kerma

± 10 %
± 10 % (15cm x 15cm field)
  Inclusive of all uncertainties (temperature, pressure, rate and area
  dependencies and beam quality.
Digital Resolution
  Dose area product
  Dose area product rate
  Air kerma
  Air kerma rate

0.01 µGy·m2
1µGy·m2/min
0.001mGy
0.1 mGy/min
Rated range of use
  Tube voltage
  Dose area product:
    (low rate range)
    (high rate range)
  Air kerma rate


(40 ... 150) kV
1µGy·m2/min
(1 ... 1·104) µGy·m2/min
(2·103 ... 9 ·105) µGy·m2/min
(0.2 ... 9 ·103) mGy/min
(at the position of the chamber)
Automatic Temperature and Pressure Correction
  Pressure
  Temperature
  Air humidity
(80.0 ... 106.0) kPa
(+10 ... +40) ºC
(10 ... 80) % rel. humidity
(max. 20 g/m3)
Ionization chamber
Response versus radiation quality
(50kV ... 150 kV, norm. to 100kV; acc. IEC 60580)

Quality equivalent filtration (70kV)
Active area
  Dose area product
  Air kerma
± 3 %


0.6 mm Al


max. (300 x 300) mm2
min. (100 x100) mm2
Power supply
Internal rechargeable battery pack
operation time (state of charge: 100%)

Li-ION, 2 cells
> 8 h
Serial Interface
USB
Protection class (acc. IEC 60529)
IP 41
Weight
2.32 kg
Dimension

350 mm x 410 mm x 35 mm
(L x W x H)
Note: All specifications subject to change.

Click PDF icon (downloadable brochure)