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Test Equipment(방사선측정기)

제목 IBA Dosimeter Dosimax plus HV A
IBA사의 도시메터 Dosimeter Dosimax plus HV A입니다.
Magicmax와는 달리 별도의 PC 없이 단독으로 사용할 수 있습니다.
일반촬영장치, 유방촬영장치, CT에 적용할 수 있도록 다양하게 디텍터를 교체하여 사용할 수 있습니다. (DE2DX, RQM, RQA detector)



Dosimeter
 
Dosimax plus A HV (basic unit) VD0201790
PTB-approved single channel dosimeter with internal high voltage supply according to IEC 61674 for use with ionization chamber
DCT10-RS. Designed for measurements at CT.
Measurement Parameters:
➤ Dose length product:
100 μGycm - 999 Gycm
➤ Dose length product rate:
1 mGycm/s - 0.5 Gycm/s
➤ Time: 1 ms - 19999 s
Options / Additional Accessories:
Official Verification CF1E1003
Of dosimeter DOSIMAX plus A HV by a German office of legal metrology.
Carrying Case VD0225720
For dosimeter DOSIMAX plus series;
Offers space for 1 DOSIMAX plus and 1 ionization chamber.



CT장비의 CTDI 환자선량 측정에 사용하는 디텍터
Ionization Chamber DCT10-RS / Lemo VD1020100
For DLP (in mGy*cm) and CTDI measurements at CT scanners, according to IEC 61223-2-6, -3-5, 100 - 150 kV.
Specification:
➤ Active length: 100 mm
➤ Length of chamber cable: 2 m



유방촬영용 디텍터
In Mammo for use with solid state detector RQM.
Measurement Parameters with Detector RQM:
➤ Dose: 500 nGy - 9999 mGy
➤ Dose rate: 1.5 μGy/s - 300 mGy/s
➤ Time: 1 ms - 19999 s



일반촬영, 투시, 혈관조영징치, 치과용 X-ray 선량 디텍터
In Rad/Flu for use with solid state detector RQA.
Measurement Parameters with Detector RQA:
➤ Dose: 200 nGy - 9999 mGy
➤ Dose rate: 80 nGy/s - 70 mGy/s (50 - 150 kV)
➤ Time: 1 ms - 19999 s



Options / Additional Accessories:
Official Verification CF1E1003 Of dosimeter DOSIMAX plus A by a German office of legal metrology.
Carrying Case VD0225720
For dosimeter DOSIMAX plus series;
offers space for 1 DOSIMAX plus and 2 solid state detectors (not DEDX/DE2DX).

The DOSIMAX plus A has the following features:
           · Automatic sensitivity change-over between radiography and fluoroscopy
           · Automatic reset
           · Easy parameter selection by using the corresponding key
           · Direct readout of measured values
           · Auto power-off after a period of 10 minutes when no user interaction or measuring takes place.

The following detectors can be used in connection with the DOSIMAX plus A:
          · Detector RQA, a separate external detector used in conventional radiology
          · Detector RQM, a separate external detector used in mammographic radiology
          · DCT10- RS, an Ionizationchamber used in CT radiology
          · DC 300, an Ionizationchamber used in conventional radiology and mammographic radiology







Basic instrument
EMC testing:                       according IEC 801-2, -3 and EN 55011
Wave form:                          1-pulse up to middle frequency / high frequency generators
Exposure time:                    1 ms to 19999 s
Reset:                                automatic
Switching Off:                      automatically after 10 minutes of inactivity or by use of the Off key.
Interface:                            Bluetooth
Power supply:                     4 Mignon batteries(AA) 1,5V each or alkaline (LR6)
Working time:                      15 hours (alkaline batteries)
Display:                              LCD-DOT-Matrix, 5 Digits and units
Weight:                               280 g / 0.44 lb (basic equipment without batteries)
                                         290 g / 0.64 lb (basic equipment with batteries)
Size (H x W x L):
Dosimeter:                          35 x 90 x 145 mm, (1.4’ x 3.5’ x 5.8’)
Operating temperature:         15 to 35 °C (59 to 95 °F), Storage: 0 bis + 60 °C (32 to 140 ° F)
Relative air humidity:            < 80 %
 
DC300-chamber (ionization chamber for conventional radiation and mammography devices)
Technical data:
Sensitivity (typical):               106 nC/Gy (70 kV, 2,5 mm Al)
Calibration factor (typical):      9,43 mGy/nC (70 kV, 2,5 mm Al)
Cylinder diameter:                 10 mm
Cylinder Length:                    36 mm
Active Volume:                      2.98 cm³
Chamber wall:                      c 552 air aquivalent
Type of Connector:                Lemosa-Plug, Size 0
Leakage:                             <10-14 A
 
Detector RQA
Type of detector:                        Silicon photodiode (PIN)
Measurement principle:               Ionization current in the semiconductor detector
Detector patch cord:                   Triaxial plug type Lemosa, size 0
Nominal measuring range for       50-150 kV tube voltage in the unattenuated
diagnostic beam qualities:           useful beam (RQR 3 – RQR 10, acc. DIN EN61267)
                                               50-150 kV tube voltage in the attenuated useful
                                                beam (RQA 3 - RQA 10, acc. DIN EN 61267)
Calibration factor:                      0.0188 mGy/nC (70 kV, 2.5 mm Al)
                                               0.0174 mGy/nC (70 kV, 25 mm Al)
Response:                                53.2 nC/mGy (70kV, 2.5 mmAl)
                                               57.5 nC/mGy (70kV, 25 mmAl)
Dose measuring range:              200 nGy bis 9999 mGy
Dose rate measuring range:        50 nGy/s bis 120 mGy/s
Measurement uncertainty:          < 5 % (by a minimal dose rate of 50 nGy/s)
Weight:                                    85 g (0.18 lb)
Size (L x W x H):                      45 x 20 x 8 mm (1.7’ x 0.78’ x 0.31’)
Maximum cable length:              10 m (394’)
Calibration reference point:         70 kV, 2.5 mm Al, 1 m distance (RQR5)
 
Detector RQM (separate detector for use in mammographic installations)
Type of detector:                       Silicon photodiode (PIN)
Measurement principle:              Ionization current in the semiconductor detector
Detector patch cord:                  Triaxial plug type Lemosa, size 0
Nominal measuring range for       25–35 kV tube voltage in the unattenuated
diagnostic beam qualities:          useful beam (RQR-M1 – RQR-M4, acc. DIN EN61267)
                                               25–35 kV tube voltage in the attenuated useful beam (RQA-M1 – RQA-M4, acc. DIN EN 61267)
Calibration factor:                      0.070 mGy/nC (30 kV, 30 μm Mo)
Response:                               14.3 nC/mGy (30 kV, 30 μm Mo)
Dose measuring range:             1,5 μGy to 9999 mGy
Dose rate measuring range:       1,5 μGy/s to 300 mGy/s
Measurement uncertainty:          < 5 % (by a minimal dose rate of 1,5μGy/s)
Weight:                                    85 g (0.18 lb)
Size (L x W x H):                      45 x 20 x 8 mm (1.7’ x 0.78’ x 0.31’)
Maximum cable length:              10 m (394’)
Calibration reference point:        28 kV,30μmMo, 0,5m distance (RQR-M2)
 
DCT10-RS chamber (separate ionization chamber for measuring at CT scanners)
Features:   - ionization chamber
                - homogeneous response throughout the entire active chamber length
                - guarded
Material:
                - outer electrode reinforced carbon fiber Expoxy (CFK)
                - inner electrode reinforced carbon fiber Expoxy (CFK)
                - plug type triaxial, BNC banana or lemosa
                - connection cable approx. 1.2 m flexible, Low noise
Measures:
                - active volume 4.9 cm3
                - active length 100 mm
                - inside diameter of the outer electrode 8,0 mm
                - diameter of the inner electrode 1,0 mm
Operated date:
                - leakage < +/-4x10-15 A
                - beam quality 100 KV – 150 KV
                  (field of application)
                - calibration factor (typ.) ND,K= 70 mGy*cm/nC
                  (120 KV / HWD 4.05 mm Al)
 
DC300-chamber (ionization chamber for conventional radiation and mammography devices)
Technical data:
Sensitivity (typical):               106 nC/Gy (70 kV, 2,5 mm Al)
Calibration factor (typical):      9,43 mGy/nC (70 kV, 2,5 mm Al)
Cylinder diameter:                 10 mm
Cylinder Length:                    36 mm
Active Volume:                      2.98 cm³
Chamber wall:                      c 552 air aquivalent
Type of Connector:                Lemosa-Plug, Size 0
Leakage:                             <10-14 A
 
Quality Assurance Tests
Even if a self check of the DOSIMAX plus A dosimeter detector combination is done after every switchon,
QA tests should be carried out at regular intervals in order to verify the general functionality, safety and general condition of the dosimeter, the detector(s) and all accessories. Please observe the environmental reference conditions stated below.
Suggested time table for QA tests

Type of test                                        Frequency                         Tolerance
----------------------------------------------------------------------------------------------
Calibration                                        Every 2 years                         +/- 5%
Dosimeter is free of damage                Before every
together with exposed cables /           messuring
detector(s)                                        session
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