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How to Use the palmRAD 907

How to Use the palmRAD 907. This presentation is intended to give the user a brief overview of how to operate the palmRAD 907. For a complete understanding of this instrument please refer to the operating manual. What the palmRAD 907 Does.

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How to Use the palmRAD 907

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  1. How to Use the palmRAD 907 Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  2. This presentation is intended to give the user a brief overview of how to operate the palmRAD 907. For a complete understanding of this instrument please refer to the operating manual. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  3. What the palmRAD 907 Does • The palmRAD 907 measures the rate of the following types of nuclear radiation • Alpha • Beta • Gamma • X-radiation • The palmRAD 907 measures the amount of nuclear radiation in • Counts per minute (CPM) • Counts per second (CPS) • MilliRoentgens per hour (mR/hr) • MicroSeiverts per hour • (µSv/hr) Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  4. How to Turn On the palmRAD 907 • Turn the palmRAD 907 on by moving the lower switch from Off to On or Audio. • On--The palmRAD 907 is measuring radiation but there is no audio. • Audio--The palmRAD 907 is measuring radiation, and beeping with each count of radiation that is detected. • When the palmRAD 907 is first turned on it does a 3 second system check, displaying all the indicators and numbers. • After the system check is finished the palmRAD 907 shows the current level of nuclear radiation. • The palmRAD 907 updates its visual display once every three seconds. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  5. How to Select the Operating Mode • Move the upper switch to • Total/Timer • CPM/CPS (counts per minute or counts per second) • mR/hr or µSv/hr(milliRoentgen per hour or microSeivert per hour). • In Total mode the palmRAD 907 starts totaling the counts it registers, and the numeric display is updated each time a count is registered. • The CPM mode is the easiest to understand for the layperson. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  6. How to Switch the Mode • To switch the mode from mR/hr to µSv/hr and from CPM to CPS: • Turn the palmRAD 907 off. • Hold down the + button on the end panel while turning the palmRAD 907 on. • Scroll through the numbers on the screen until you get to 2. • Press the SET button on the end panel. • Use the + or - button on the end panel to toggle between settings. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  7. What is Background Count? • The background count is the normal level of nuclear radiation that is occurring at a given time and place. • Some sources of background radiation are: • The sun • Minerals in the earth • Residual radiation from nuclear testing and other man made sources • Nuclear radiation is a naturally occurring phenomenon. When the palmRAD 907 is on it is normally measuring the background count. • A user should determine the normal background count in case abnormal levels of nuclear radiation occur. The mesh screen covers the end window of the Geiger-Mueller sensor. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  8. How to Determine the Average Background Count • Turn the palmRAD 907 On, and put it in Total mode. • Set the Timer switch on the end panel to Set. • Press the + button until the display reads 00:10 (this means ten minutes). • Set the Timer switch to On. The palmRAD 907 beeps three times and starts counting. • At the end of the ten minutes, the palmRAD 907 beeps three times, and repeats beeping several times. Note the total reading. • Divide this number by ten for the average count per minute which is the average background count per minute. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

  9. How to Change the Battery • Turn the palmRAD 907 over. • Remove the battery cover. • Detach the 9 volt battery from the wire connector and replace. • The battery life for the palmRAD 907 is approximately 200 hours. Berkeley Nucleonics Corporation www.berkeleynucleonics.com

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