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SE Radiation Alert Frisker, Operation Manual

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S.E. International, Inc. P.O. Box 39, 436 Farm Rd. Summertown, TN 38483 USA        

1.800.293.5759   |   931.964.3561   |   Fax: 1.931.964.3564

www.seintl.com | [email protected]

INTERNATIONAL

®

Radiation Alert®

Frisker

Summary of Contents for Radiation Alert Frisker

Page 1: ...S E International Inc P O Box 39 436 Farm Rd Summertown TN 38483 USA 1 800 293 5759 931 964 3561 Fax 1 931 964 3564 www seintl com radiationinfo seintl com INTERNATIONAL Radiation Alert Frisker...

Page 2: ...t Frisker 6 Setting the Dead Time 6 Setting the Gamma Sensitivity 6 Chapter 4 Using the Radiation Alert Frisker 7 Checking for Surface Contamination 7 Chapter 5 Maintenance 8 Calibration 8 General Mai...

Page 3: ...urately as an average over time and the average is more accurate over a longer time period Precautions To keep the Radiation Alert Frisker in good condition handle it with care and observe the followi...

Page 4: ...tube The screen on the back of the Radiation Alert Frisker is called the GM Window Figure 1 1 It allows alpha and low energy beta and gamma radiation which cannot get through the plastic case to penet...

Page 5: ...only calibrated to 50mR hr it will detect levels much higher than that The maximum value to make it over range is related to the dead time and the sensitivity Typically the dead time is about 40 seco...

Page 6: ...sitivity screen appears Use the backlight button as a button to increase the set gamma sensitivity level Use the mode button as a button to lower the set gamma sensitivity level Once you have selected...

Page 7: ...face hold the detector window close to the surface 1 cm 1 in and read the count rate Be careful not to touch the Frisker to any potentially contaminated surfaces to prevent contaminating the unit Move...

Page 8: ...ckground for calibration If you would like more information about source calibrations please contact us at 1 800 293 5759 or go to seintl com services General Maintenance Tips 1 Do not get the instrum...

Page 9: ...her instrument Instrument has false high reading moisture The circuit board may be wet Dry the instrument in a warm dry place if it still has a problem it requires service Instrument has false high re...

Page 10: ...density and flow meters Unless you know exactly what you are measuring and understand the limitations of detection instruments it is possible to draw misleading conclusions from your readings We desi...

Page 11: ...1 8 inch 3 mm thick between the instrument and the source If the indication stops decreases or changes it is most likely beta radiation Most common isotopes emit both beta and gamma radiation This is...

Page 12: ...vert A unit of dose equivalent 1 Sv 100 roentgens 10 Sv hr 1 milliroentgen hr Curie is the amount of radioactive material that decays at the rate of 37 billion disintegrations per second approximately...

Page 13: ...olecules into charged particles called ions Radiation The emission and propagation of energy through space or through matter in the form of particles or waves Radionuclide The naturally occurring or a...

Page 14: ...gh as 100 times the maximum reading Alert Pulsating beeper sounds the alert Adjustable alert levels are used for R hr CPM Sv hr and CPS Display Backlit liquid crystal display with mode indicators Coun...

Page 15: ...not conform to the warranty at any time while this warranty is effective the Warrantor will repair the defect and return the instrument to you prepaid without charge for parts or labor NOTE While the...

Page 16: ...ase fill out this form and send it back to us if you would like to be notified of the NIST calibration renewal for your instrument to S E International Inc P O Box 39 436 Farm Rd Summertown TN 38483 1...

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