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13 

 

 

Figure 1.2 

– General overview of the dosimeter 

 
 

Содержание PM1621

Страница 1: ...X RAY AND GAMMA RADIATION PERSONAL DOSIMETERS 1621 Models 1621 1621 1621 1621 OPERATING MANUAL...

Страница 2: ...and tools 27 5 3 Verification officers qualification requirements 27 5 4 Safety requirements 27 5 5 Verification conditions 28 5 6 Pre verification procedure 28 5 7 Verification procedure 28 5 7 1 Ext...

Страница 3: ...l includes the general description specifications of the dosimeter as well as some other information necessary for the proper operation of the dosimeter and a full realization of its possibilities Dur...

Страница 4: ...rs from 1621 model by extended DER measurement range search mode and integrated vibro and light alarm The dosimeters may be used independently or as a part of a system for everyday efficient and emerg...

Страница 5: ...supply element ANASONIC POWER LINE LR6 AA 2 5 or Power supply element Energizer L91BP 2 AA 3 5 1 1 1 1 software 1 CD 1 CD 1 CD 1 CD Operating manual 4 1 1 1 1 Cover 5 1 1 1 1 Packaging 1 1 1 1 1 Supp...

Страница 6: ...621 1 00 2 00 Sv h 1621 1621 DER analogue scale seven segments in a logarithmic gauge Number of indicated segments from left to right corresponds to the following DER threshold values on the LCD displ...

Страница 7: ...gy does not exceed values in presented in Table 1 2 when the Dosimeter is rotated in the horizontal plane Attachment B figure B 1 and values in presented in Table 1 3 when the Dosimeter is rotated in...

Страница 8: ...D DER or DE photon radiation measured value indication relative mean square error of average value of measurement result with 0 95 probability statistical error in percents dosimeter number blind dosi...

Страница 9: ...Hz and bias amplitude for frequencies lower than the transition frequency 0 75 mm shocks with acceleration 100 m s2 duration of shock pulse 2 50 ms shock rate is 60 180 shocks per minute 26 The dosim...

Страница 10: ...1 Overall dimensions no more not more than 87 72 39 mm 32 Reliability parameters average full operating time no less than 20000 h average service life no less than 10 years average time of recovery no...

Страница 11: ...ock diagram of the dosimeter A Geiger Muller tube with a filter for spatial energy formation of sensitivity which converts photon radiation quanta to electric pulses is used as a radiation detector Th...

Страница 12: ...DE measurement mode year of production in the dosimeter s number indication mode indication of IR communication channel switch on off in the PC communication mode 3 digital panel of indication of stat...

Страница 13: ...13 Figure 1 2 General overview of the dosimeter...

Страница 14: ...14 Figure 1 3 Demounting the clip from 1621 and 1621...

Страница 15: ...performs LCD testing all the segments and graphic symbols should be displayed for about 2 s and then disappear then the dosimeter should enter the measurement mode One minute after inserting the batte...

Страница 16: ...of DE accumulation time values in hours On On a display 4 output of the values of time remaining for staying at the working place Off Thresholds setting enable On DE reset On Audible alarm On Dosimet...

Страница 17: ...ible Calculation of time is performed relative to the second preset DE threshold the function may be switched on at the DE measurement mode configuration 2 4 5 Settings mode Auxiliary mode of settings...

Страница 18: ...III 1 G free HDD space printer and unit for operation with IrDA protocol for the exchange of information with the Dosimeters are necessary for comfort program running The program runs under OS Window...

Страница 19: ...d closer to GRS When limiting frequency is reached the dosimeter will emit continuous audio alarm At single pressing of LIGHT SET button the frequency of audio light and vibro alarms can be decreased...

Страница 20: ...the LCD will indicate the flashing symbol bat The battery is to be replaced 3 3 In case of the battery critical discharge approximately 0 9 V the dosimeter will turn into the DE measurement mode the...

Страница 21: ...21 Figure 2 2 Select the 1621 1621 dosimeter operating indication mode...

Страница 22: ...22 Figure 2 3 Setting the DE threshold values...

Страница 23: ...23 Figure 2 4 Setting the DER threshold values...

Страница 24: ...24 Figure 2 5 Indication of audio alarm state on off adjustment of sound volume of 1621 1621 dosimeter...

Страница 25: ...lacement unscrew and remove the cover of the battery compartment remove the old battery insert the new battery observing the polarity the sign of the battery should be inwardly directed fix the cover...

Страница 26: ...Dosimeter does not respond to pressing a button the LCD indicates incorrect symbols Microprocessor error condition Remove the battery and insert it again in 5 minutes 4 The LCD indicates Er1 Er7 Dosi...

Страница 27: ...no more than 5 at confidence probability 0 95 5 5 Barometer Scale interval 1 kPa Measurement range 60 120 kPa 5 5 Thermometer Scale interval 0 1 Measurement range 10 30 5 5 Hydrometer Measuring range...

Страница 28: ...nt operation Instrument is considered as not valid for further verification if it doesn t meet the above requirements 5 7 2 Carrying out verification testing Testing requires following check instrumen...

Страница 29: ...0 s interval at least Then calculate average DER value j H by formula 5 1 5 1 i ji j H H 5 2 where ji H i th dosimeter reading when measuring DER in j th tested point 6 repeat measurements for points...

Страница 30: ...urement main relative measurement error is calculated as follows 1 set maximum DER and DE threshold levels on the dosimeter and switch on DE measurement mode 2 do actions described in 5 7 3 1 2 3 read...

Страница 31: ...lastic bags with silica gel 6 4 When carried by air Dosimeters in package should be placed in hermetic compartments 6 5 Dosimeters should be stored in the manufacturer s package at the air temperature...

Страница 32: ...of the Quality Control Department of the manufacturer 7 4 Warranty and after warranty repair is carried out by the manufacturer or the institutions that have a permission of the manufacturer 7 5 Warra...

Страница 33: ...bration direction 0o Figure A 1 for horizontal installation at the phantom rotation in vertical plane 1 241 Am 59 5 keV 2 137 Cs 662 keV 3 60 Co 1250 keV Figure A 2 for vertical installation at the ph...

Страница 34: ...ATTACHMENT B reference DIAGRAM OF DOSIMETER ROTATION TO MEASURE ANGULAR RESPONSE Figure B 1 Diagram of dosimeter rotation in horizontal plane Figure B 2 Diagram of dosimeter rotation in vertical plan...

Страница 35: ...35 ATTACHMENT C reference OVERALL DIMENSIONS EFFECTIVE CENTER OF THE DOSIMETER DETECTOR Figure C 1...

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