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Polimaster PM1701M Operation Manual

Alarming ratemeter
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PM1701M
ALARMING RATEMETER
Operation Manual

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Summary of Contents for Polimaster PM1701M

  • Page 1 PM1701M ALARMING RATEMETER Operation Manual...

  • Page 2: Table Of Contents

    TABLE OF CONTENTS 1 GENERAL DESCRIPTION ..................3 1.1 Delivery Kit ......................3 1.2 Specifications ......................4 1.3 Battery Installation ....................5 1.4 Design. Control Buttons and Display ..............5 2 OPERATION ......................9 2.1 Turning the Instrument ON/OFF ................9 2.2 Operating Modes ....................10 2.2.1 Self-Check ....................10 2.2.2 Background Calibration ................10...

  • Page 3: General Description

    (scrap metal facilities, nuclear waste disposal and storage sites, vehicular and cargo customs check points, first responders, etc.). 1.1 Delivery Kit PM1701M Alarming Ratemeter Headphones (Panasonic or similar) ‘AA’ (LR6) size Battery Operating Manual...

  • Page 4: Specifications

    1.2 Specifications Detector CsI(Tl) Scintillator Sensitivity for Cs , not less 100 s /(µSv/h) Count rate range 1 - 9999 s Energy range 0.06 to 3.0 MeV Variation of the energy response relative to the - 25 % typical one (Annex A), no more Range of coefficient n (number of mean square 1 to 9.9 deviations)

  • Page 5: Battery Installation

    Power Requirements One 1.5V ‘AA’ (LR6) size battery Battery lifetime typical 800 h Ingress Protection Class IP65 Drop test 0.7 m onto concrete Dimensions 65 x 102 x 654 mm ∅ 105 x 670 mm in package Weight, max. 0.75 kg 1.3 Battery Installation The instrument is shipped without the battery installed.
  • Page 6 Figure 1 − PM1701M The control buttons (view A) are used to: 12 − MODE Button: - turn the instrument on; - update background (press and hold the button until the LCD displays “CAL” message);...
  • Page 7 - enter the coefficient n setting mode and the audible alarm on/off mode (hold the button pressed for more than 4 sec); - set (decrease) coefficient n in 0.1 steps in the setting mode; - switch on/off audible alarm (press shortly for less than 1 s). 16 −...
  • Page 8 Audible Alarm Detector Processor Power Supply Figure 2 − PM1701M Block Diagram The detector unit includes: - CsI(Tl) scintillator with photodiode; - amplifier-converter board. The scintillator-photodiode transforms gamma-quanta into electric pulses that come to the amplifier-converter. The amplifier-converter transforms these signals into quasi-Gauss pulses that come to the processor unit.

  • Page 9: Operation

    The LCD displays information about the test results, operation modes and count rate values. The LCD includes a backlight circuit which is controlled by the processor and activated by button 16. The control buttons are used to select operating modes and control operation of the instrument.

  • Page 10: Operating Modes

    2.2 Operating Modes • Self-Check (Test) • Background Calibration • Search Mode (count rate indication, s • Settings • PC Communication via IR Interface 2.2.1 Self-Check The instrument goes into this mode when turned on. Before the self-tests, an audible alarm is shortly activated, then all segments and indicators appear on the LCD.

  • Page 11: Search Mode. Detection And Location Of Radiation Sources

    headphones it is possible to re-calibrate the instrument by pressing button 10 (Fig.1) located in the extension pole handle. In the PC Communication mode the automatic background update option may be set. The auto background update allows to automatically keep the instrument at high sensitivity as the background level decreases, and to avoid false alarms when the background level increases “slowly”.

  • Page 12: Settings

    ambient background level or in slightly longer periods of time with an increasing ambient background level. However, the instrument will automatically recalibrate itself only if there are no alarms or abrupt background changes over the algorithm- defined periods of time. Bear in mind that false alarms (audible or light) are sporadic and are easily distinguished from true alarm signals which tend to be continuous or increase as the instrument moves closer to a radiation source.

  • Page 13: Switching On/Off Audible And Headphones Alarm

    To change the coefficient n value shortly press the LIGHT button 16 (Fig.1) during the next few seconds. The preset coefficient n value will start flashing indicating that it can be changed. If the LIGHT button is not pressed during this interval of time, the instrument will automatically go to the operating mode.

  • Page 14: Communication With Pc. Data Logging, Parameters Set- Up

    3 COMMUNICATION WITH PC. DATA LOGGING, PARAMETERS SET-UP The instrument has infrared communication capability with personal computer using data collection and processing Software. It allows the user to set various parameters, enable/disable operation modes, download event data stored in the instrument’s non-volatile memory to the database and other.
  • Page 15 - current values of count rate in data logging intervals preset by the user; - coefficient n value; - count time in the search and calibration modes; - alarm time and values. Instrument/Program Settings: Check and/or set parameters of the instrument: - switch on/off audible alarms;...

  • Page 16: Maintenance

    4 MAINTENANCE Maintenance of the instrument involves preventive treatment, battery replacement and regular check up of the instrument. Routinely examine the instrument body, remove any dust, and decontaminate the instrument in situation of direct contact with radioactivity. Wipe the case with and an ethyl alcohol-saturated tissue to decontaminate the instrument.

  • Page 17: Troubleshooting

    5 TROUBLESHOOTING Troubleshooting is limited to replacing the battery. Most of the problems can be traced to low battery or poor quality battery. Use only fresh, high quality batteries. There are no user-serviceable parts in the instrument. If repairs are required, contact the factory or your sales distributor for replacement or shipping instructions.

  • Page 18: Calibration Tast Procedure (Reference)

    6 CALIBRATION TEST PROCEDURE (REFERENCE) 6.1 General This procedure describes the calibration procedure for the PM1701M instrument. The calibration tests shall be performed by qualified calibration facilities. The instruments shall be calibrated during manufacture, after repair and periodically during operation and storage as required by national regulations.
  • Page 19 6.6 Calibration procedure 6.6.1 During the external examination check the instrument against the following requirements: - the instrument delivery kit shall comply with the operating manual; - the instrument must be marked with clear inscriptions; - the instrument must be free from pollution and mechanical damages that may affect operation of the instrument.
  • Page 20 Compare main relative error δ to limits of permissible main error δ = ± 35 %. If δ > 35 %, the instrument is rejected as defective; if δ ≤ 35 %, the instrument is considered ready for use.

  • Page 21: Shipping And Storage

    7 SHIPPING AND STORAGE Instruments may be shipped by any closed transport, as long as the air temperature is between -50 to +50°C. When carried by sea, instruments should be packaged in hermetic plastic bags with silica gel. When carried by air, instruments should be packaged in hermetic compartments.

  • Page 22: Warranty

    8 WARRANTY 8.1 The manufacturer warrants this instrument to meet specifications provided that the user follows the instructions for the operation of the instrument, shipping and storage described in the Operation manual. 8.2 Warranty operation period is 18 months since the date the instrument putting into operation.

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