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MGP Instruments SOR/R User Manual

Electronic dosimeter
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ELECTRONIC DOSIMETER
MGP Instruments
BP 1
F-13113 Lamanon
Tél. : +33 (0)4 90 59 59 59
Fax : +33 (0)4 90 59 55 18
E-mail : com@mgpi.com
Issue: January 2004
N° 129442A
User's Manual
SOR
MGP Instruments Inc.
5000 Highlands Parkway, Suite 150
Smyrna, Georgia 30082
Tel : (770) 432 2744
Fax : (770) 432 9179
E-mail : sales@mgpi.com

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Summary of Contents for MGP Instruments SOR/R

  • Page 1 User's Manual ELECTRONIC DOSIMETER MGP Instruments MGP Instruments Inc. BP 1 5000 Highlands Parkway, Suite 150 F-13113 Lamanon Smyrna, Georgia 30082 Tél. : +33 (0)4 90 59 59 59 Tel : (770) 432 2744 Fax : +33 (0)4 90 59 55 18 Fax : (770) 432 9179 E-mail : com@mgpi.com...

  • Page 2: Table Of Contents

    CHAPTER I - CHARACTERISTICS ........5 1.1 - GENERAL CHARACTERISTICS ....... 5 1.1.1 - Purpose of the equipment ........5 1.1.2 - Layout of the SOR/R electronic dosimeter..5 1.1.3 - Recommended operators ........9 1.2 - DIMENSIONS ............. 9 1.2.1 - SOR/R electronic dosimeter .......
  • Page 3 2.2 - INSTRUCTIONS FOR USE ........13 2.2.1 - Preliminary checks ..........13 2.2.2 - Operating checks ..........13 2.2.3 - Dosimeter / Reader-Recorder interaction..13 2.2.4 - Data stamping............ 14 2.2.5 - Storage - Pause - Measurement ....... 14 2.3 - CHECKS ..............
  • Page 4 FIGURES Figure n° Page 1 - Layout of the SOR/R Electronic Dosimeter ... 7...

  • Page 6: Chapter Icharacteristics

    CHAPTER I CHARACTERISTICS 1.1 - GENERAL CHARACTERISTICS 1.1.1 - Purpose of the equipment The SOR/R electronic dosimeter is used for measuring several types of radiation to which the user may be exposed: Ambient and arti cial X and Gamma, −...
  • Page 7 According to the options selected, it can be tted with a lanyard for chest wear, a velcro arm band to be worn over the protective clothing, or a clip. The front panel of the SOR/R electronic dosimeter − includes: an LCD (A) for data and user id display, •...
  • Page 8 F – Identi cation label B – Pushbutton G – Lanyard C – Connector H – Fastener D – Buzzer J – Clip E – Battery cover K – Arm band Figure 1 – Layout of the SOR/R electronic dosimeter...
  • Page 9 To read the display: The operator must raise the dosimeter horizontally if it is worn around the neck. The operator must hold up his arm if the dosimeter is worn on the arm band. 1.1.2.2 - Pushbutton The pushbutton enables display of the following information: The operator's name when pushed once, −...

  • Page 10: Recommended Operators

    : 9.6 mm, − Weight : 55 g, − Lanyard : 80 cm. − 1.3 - ENVIRONMENTAL CHARACTERISTICS The SOR/R electronic dosimeter ful ll the STANAG 2895 for the all climate zones. SOR/R is quali ed according to MIL-STD-810 standard.

  • Page 11: Electromagnetic Environmental Conditions

    Magnetic eld from 10 kHz to 250 kHz. − Electromagnetic pulse (EMP). − 1.5 - RADIATION EFFECTS The SOR/R includes a protection against the TREE e ects for initial gamma and neutron radiations. 1.6 - PERFORMANCE 1.6.1 - Start-up The reader-recorder is used to switch the dosimeter from "PAUSE"...

  • Page 12: Data Storage

    1.6.4 - Data storage All data is stored in the dosimeter's memory for over 10 years, even in the absence of a battery. Dose increments are recorded at user selectable intervals of 10 seconds, 1 minute, 10 minutes, 1 hour or 24 hours, as programmed by the reader.

  • Page 14: Chapter Ii - Use In Normal Conditions

    Check that a new battery is installed and that the dosimeter is not in storage mode. 2.2.2 - Operating checks The SOR/R electronic dosimeter is equipped with operating indicators (2 dots on the display (:) which ash continuously). 2.2.3 - Dosimeter / Reader-Recorder interaction...

  • Page 15: Data Stamping

    The " hands-free" mode enables the exchange of stored data (dosimeter n°, operator's identity, doses, output, etc.). 2.2.4 - Data stamping The SOR/R electronic dosimeter is dated automatically during interaction with the XOM/R reader. 2.2.5 - Storage- Pause– Measurement 2.2.5.1 - Stored mode In this mode, the battery is not installed.
  • Page 16 2.2.5.2 - "Pause" mode Not allocated Flashing colon The dosimeter carries out self-tests every 10 minutes (data initialization and calibration integrity tests, standard Gamma counting channel test, ASIC test, battery test). The dosimeter displays "PAUSE" if no faults are detected. Failing this, the detected anomalies are displayed alternately with "PAUSE".
  • Page 17 Settings (with or without buzzer, with or without − dose display). When the dosimeter is allocated, it displays the rst 6 characters of the operator's name or section identity. 2.2.5.3 - "Measurement" mode The dosimeter switches to MEASUREMENT mode once allocated. When switching to measurement mode for the rst time, the Gamma dose is set to 0 and the data history is initialized.
  • Page 18 The equivalent dose rate in mSv/h (if con gured); − "R: " is displayed in front of the value 0.01 mSv/h to 999.99 mSv/h and 1000.0 mSv/h to 9999.9 mSv/h, mSv/h The " Dose Alarm " pictogram if the dose alarm −...

  • Page 19: Checks

    2.3 - CHECKS 2.3.1 - Hands-free mode This mode provides access to the residual gamma dose. Data is read using the XOM/T reader-recorder (range is limited to between 15 cm and 50 cm), or using readers XOM/R or XOM markers (range is 1.20 m). The following data is transmitted: The dosimeter n°...

  • Page 20: Manual Read Mode

    2.3.2 - Serial link Main dosimeter data, such as standard cumulated dose, maximum rate, alarm status and faults can be retrieved connecting external device (Maintenance Level 2) to the smart-card type connector. 2.4 - ALARMS 2.4.1 - Buzzer The buzzer, used to indicate an alarm or fault, can be disabled during con guration using the XOM/T reader.

  • Page 21: Threshold Alarms With Acknowledgement

    2.4.2 - Threshold alarms with acknowledgement The SOR/R electronic dosimeter generates visual or audible alarms when predetermined threshold (rate or output according to con guration) are exceeded. Alarms Cancellation Dose threshold By holding down the pushbutton for over 3 seconds (for pre-alarm).

  • Page 22: Alarm Without Cancellation Option

    2.4.3 - Alarm without cancellation option The message "Dose alarm" is displayed when the upper threshold of the dose alarm is exceeded. Dose Alarm This alarm cannot be acknowledged the user. The dosimeter must be deactivated and re-con gured using the reader in order to deactivate this alarm.

  • Page 24: Chapter Iii - Troubleshooting

    CHAPTER III TROUBLESHOOTING PROBLEM POSSIBLE CAUSES SOLUTIONS The ashing Defective power colon remain unlit supply: Replace battery. * when the unit is in - Battery absent, use. Clean contacts. - Battery contacts defective, Face battery " + " - Inverted polarity. towards the dosimeter.

  • Page 26: Chapter Iv - Maintenance

    Level 1 as required. Fastener Maintenance Fastener. replacement. Level 1 as required. Battery cover Maintenance Battery cover. replacement. Level 1 as required. Cleaning Rag and alcohol. (equipment uncontaminated). Hook replacement. Pin extraction tool. NOTA : SOR/R is NATO codi ed...

  • Page 27: Radiological Decontamination

    4.2 - RADIOLOGICAL DECONTAMINATION 4.2.1 - Recommended tools and materials The following means may be used: Rags and brushes, − Water, − Radiological decontamination solution for personnel, − Compressed air. − Standard cleaning means may also be used, given that decontamination implies achieving cleanliness.

  • Page 28: Chemical Decontamination

    This operation requires the wearing of NBC protective gear (clothing and mask). IMPORTANT : The equipment must be decontaminated to a residual level <5Bq/cm for highly toxic alpha emitters and <50Bq/cm beta and alpha emitters with low toxicity. 4.2.3.2 - Wet decontamination In the case of wet contamination, clean externally using rags, avoiding liquid ingress into the equipment, then wash with soapy water or spirits.

  • Page 29: Preliminaries To Be Carried Out By Personnel

    4.3.2 - Preliminaries to be carried out by personnel IMPORTANT : The wearing of breathing apparatus and NBC protective gloves is imperative. 4.3.3 - Equipment decontamination 4.3.3.1 - Application of the liquid Rub the equipment with a rag soaked in liquid, concentrating on the most frequently handled parts.

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