PTW DIADOS E, User Manual

Page 1: ...User Manual DIADOS E T11035 firmware 1 30 or higher Contents Operating Manual Technical Manual Service Manual D616 131 00 10 en 2015 10 Hn Az...

Page 2: ...ite for proper product performance and correct operation Operator safety specified measuring accuracy and interference free operation can be guaran teed only if original products and parts are used Fu...

Page 3: ...concern ing the products of interest No part of the technical documentation may be reproduced without written permission from PTW Freiburg PTW Freiburg is registered manufacturer ac cording to the El...

Page 4: ...ing the Detector 20 2 4 Positioning DIADOS E 21 2 5 Basic Settings Setup Menu 22 2 6 Modes of Operation 23 2 7 Measuring Quantities 23 2 8 Measuring Ranges 25 2 9 Digital Resolution 27 2 10 Entering t...

Page 5: ...ndustry Standard Compliance 49 Index 51 Illustrations Figure 1 Definition of patient environment 10 Figure 2 DIADOS E connection Panel 12 Figure 3 DIADOS E display 12 Figure 4 DIADOS E keypad 13 Figur...

Page 6: ...apter T16018 CT ion chamber 300 mm long TM30017 with CT adapter T16018 Note In the United States federal law restricts this device to sale by or on the order of a physician NOTE Please observe the use...

Page 7: ...placed immediately When disconnecting the device from the pow er line first remove the plug from the wall out let then disconnect the power cord from the device WARNING Devices on which moisture conde...

Page 8: ...ble of applying it properly The operator must be trained in the use of the device WARNING Magnetic and electrical fields are capable of in terfering with the proper performance of the de vice Equipmen...

Page 9: ...atings indicated on the name plate of the device Set up the device in a location which affords sufficient ventilation Always observe the ambient conditions as indi cated in the Technical Specification...

Page 10: ...to the section Technical Specifications Identification mark of an officially calibrated device according to the German Metrology and Verification Act Mess und Eichverordnung MessEV The device is prov...

Page 11: ...ti range power sup ply or from rechargeable batteries For officially calibrated dosemeters On the side there is an official seal If the official seal is damaged or removed the official calibration wil...

Page 12: ...different readouts during a measurement Figure 3 DIADOS E display 1 Resolution greater than 0 5 greater than 1 less than 1 2 Unit C Gy or R displayed in reverse video in pulsed mode 3 Application RAD...

Page 13: ...al mode in the pulsed mode the unit is displayed in reverse video RANGE toggles between the measuring ranges Auto Range Low Medium and High combination of keys ALT MODE RESET resets the display to zer...

Page 14: ...RESET key A measurement initiated with Autostart can also be aborted with RESET All parameter readings will be reset to zero 1 5 4 Zero Adjustment ZERO The keys ALT RESET will cause DIADOS E to perfor...

Page 15: ...ctive only when a radi ological unit is selected Setup menu Two calibra tion factors can be entered for each application one for application with additional filtration Att and one for application with...

Page 16: ...ssible 1 5 8 Selecting the Measuring Range RANGE The measuring range is selected with the keys ALT MODE a Low Low measuring range suitable for fluoroscopy and measurements behind the phantom b Medium...

Page 17: ...range is selected after the measurement After the end of the measurement and when the dose is displayed the measuring range remains set until RESET is activated 1 5 9 ALT Key In combination with the...

Page 18: ...n each case When radiation is removed DIADOS E will display the dose rate value measured 3 s before removal of radiation b Determining the Average Dose Rate Over a Period of 20 s The timer interval sh...

Page 19: ...ome in contact with electrolyte with water In case of eye contact immediately rinse eyes with water and consult doctor Do not open rechargeable batteries WARNING Improper handling of batteries Risk of...

Page 20: ...nected from mains NOTE In CT applications CT chamber and CT junc tion box operate DIADOS E only on battery power refer to section 2 3 2 Press the ON OFF key to turn DIADOS E on The ON OFF key must be...

Page 21: ...ger the device starting a measurement This phenomenon does not occur when the device is exclusively powered from batteries In CT applications CT chamber and CT junction box operate DIADOS E only on ba...

Page 22: ...it You can choose among the units Gy R and C As soon as the DIADOS E is officially calibrated the unit R can not be selected Timer For measurements in normal mode the timer can be set to OFF 20 s or 2...

Page 23: ...tomatic recognizing of the signal end Then the measurement is regarded as completed and will be finished Times longer than 1 s are meaningful if radiation distances are bigger than 1 s to expect The t...

Page 24: ...well as Mo Anode 25 m Rh 2 mm Al W Anode 50 m Rh 2 mm Al and Rh Anode 25 m Rh 2 mm Al W Anode 50 m Ag 2 mm Al W Anode 0 7 mm Al 2 mm Al in range 25 to 45 kV dose or dose rate exposure time or irradiat...

Page 25: ...Gy cm s 0 02 Gy cm s 17 Gy cm s 2 Gy cm s 1700 Gy cm s Current 3 pA 2 nA 0 3 nA 200 nA 0 03 A 20 A Table 1 Range limits for dose rate measurement Typical values for a minimum resolution of 1 in depend...

Page 26: ...ate an elevated measuring error due to insufficient resolution f Hz Tpulse ms Low nGy pulse Medium Gy pulse High Gy pulse 150 3 3 2 0 1 1 9 5 5 4 0 12 0 07 0 07 11 0 6 0 3 5 100 5 3 0 1 1 10 6 3 5 0 1...

Page 27: ...resolution for the charge and current readout is 30 fC and 30 fA respectively 2 10 Entering the Chamber Calibration Factor If DIADOS E is not officially calibrated the stored calibration data can be...

Page 28: ...dose dose per pulse and pulse Select measuring range ALT RANGE LOW MEDIUM HIGH or Auto Range Display changeover ALT In normal mode toggle between dose dose rate and time or in pulsed mode toggle betwe...

Page 29: ...FILTER Select measuring range with RANGE If the range changes automatically during the measurement the readout changes to AUTO M or AUTO H Select operating mode with MODE Perform a zero adjustment key...

Page 30: ...icult to remove Keep the X ray path clear of adhesive tape 4 2 3 Starting the Measurement Autostart DIADOS E is permanently in the Autostart mode This means that a dose measurement begins as soon as a...

Page 31: ...ement initiated with Autostart ends auto matically when no measuring signal is detected for more than the measuring delay time It is not possi ble to stop the measurement manually RESET aborts a measu...

Page 32: ...cation of application and filter Figure 15 Display in electrometer mode Use the RANGE function to select the measuring range LOW MEDIUM or HIGH Table 1 section 2 8 shows the upper range limits for the...

Page 33: ...ution is insufficient one or two asterisks or are displayed to the left of the measured value If the digital resolution of the display is below 1 two asterisks will appear with a resolution between 0...

Page 34: ...lect the operating mode and the necessary filter setting Typical settings RQT9 0 25 mm Cu for measurements free in air and for measurements in phantoms The LOW range is suitable for most measurements...

Page 35: ...etector housing marks the active field You can install the detector in the X ray path using Velcro tape The Velcro tape should be attached on the back of the detector for this purpose CAUTION Improper...

Page 36: ...ect the appropriate radiation quality with the FILTER key at the DIADOS E see section 1 5 6 CAUTION Improper handling Equipment damage Ensure that the cable is routed so as not to im pede the range of...

Page 37: ...corrupted RESET continue with default values Erroneous device settings problem is not severe Confirm message with RESET and continue Values for range mode filter etc are reset to the defaults Radiolo...

Page 38: ...User Manual RS232 Interface for PTW DIADOS E LCD does not illumi nate The rechargeable batteries are depleted Connect the multi range power supply The bat teries charge as soon as the power supply is...

Page 39: ...z of March 23 1992 BGBl I S 711 in the presently relevant version approval sign 23 04 03 01 issued to PTW Freiburg Use Diagnostic dosemeter acc to IEC 61674 for dose and dose rate measurement in diagn...

Page 40: ...0 01 9999 s in the range Low Digital resolution DIADOS E electrometer 30 fA or 30 fC DIADOS Diagnostic Detector T60004 1 nGy s or 1 nGy DIADOS MAM Detector T60005 2 nGy s or 2 nGy Leakage current zer...

Page 41: ...mm x 44 mm x 200 mm incl socket Weight 500 g incl batteries The product fulfills the following requirements of EN55011 IEC CISPR11 Emissions test Compliance Electromagnetic environment guidance RF em...

Page 42: ...DIADOS E T11035 Technical Manual Technical Specifications 42 D616 131 00 10 en...

Page 43: ...e from the power line Wipe the device clean with a moist cloth Do not let liquid enter the device Do not apply spray to the device Use a mild soap solution to clean the device Due to the device geomet...

Page 44: ...Repairs may only be carried out by PTW Freiburg or by persons companies authorized by PTW Freiburg 8 3 Safety Inspections Only regularly inspected products are fail safe To preserve the functional se...

Page 45: ...re under the official cali bration procedure if it has been officially re calibrated 8 6 Calibration When using not officially calibrated dosemeters we recommend having the system calibrated every 2 y...

Page 46: ...harged again approximately every 3 months Replacing the batteries CAUTION Improper handling of batteries Equipment damage Do not operate the DIADOS E with disposable batteries Use only the special rec...

Page 47: ...t be disposed of in compliance with the applicable waste control regulations The different materials must be separated and re cycled as appropriate DIADOS E does not contain hazardous materials The el...

Page 48: ...ical equipment Dosimeters with ionization chambers and or semi conductor detectors as used in X ray diagnostic imaging 6 IEC 61010 1 Safety requirements for electrical equipment for measure ment contr...

Page 49: ...c or hazardous substances or elements contained in electronic information products will not leak or mutate under normal operating conditions so that the use of such electronic information products wil...

Page 50: ...is below the limit requirement in SJ T11363 2006 X Indicates that this toxic or hazardous substance contained in at least one of the homogeneous materials used for this part is above the limit requir...

Page 51: ...3 L Literature 48 M Maintenance 44 Measurement 29 Measurement at dental X ray units 35 Measurement start stop 14 Measurements at panorama X ray units 36 Measurements in Computed Tomography 21 34 Measu...