4 | PRM-7000 / 8000 / 9000 Users Guide
9.3 Powering Down the Unit (Power Down) . . . . . . . . . . 19
9.4 Restoring Factory Calibration (Load Defaults) . . . . . . . 19
9.5 Displaying Battery and External Voltages (Display Bat/DC) . . 19
9.6 Calibration Procedure (Calibrate) . . . . . . . . . . . . 20
10. Confi guring the Audio/Data Connector
(Ext Audio/Data) . . . . . . . . . . . . . . . . . . 21
11. Data Logging . . . . . . . . . . . . . . . . . . . 22
11.1 Setting the Interval and Starting Data Logging . . . . . . . 22
11.2 Checking Log Status While Logging . . . . . . . . . . . 22
11.3 Stopping the Log . . . . . . . . . . . . . . . . . . . 23
11.4 Sending (Uploading) Data to a PC or Mac . . . . . . . . . 23
12. Selecting the User Interface Language (Language) . . . . 25
13. Replacing the Internal Battery . . . . . . . . . . . . 26
14. Fundamental Measurement Procedures . . . . . . . . 27
14.1 Determining Background Radiation. . . . . . . . . . . . 27
14.1.1 About Background Radiation . . . . . . . . . . . . . . . . 27
14.1.2 Measuring Background Radiation . . . . . . . . . . . . . . 28
14.2 Area Measurement and Monitoring . . . . . . . . . . . . 29
14.3 Measuring Objects . . . . . . . . . . . . . . . . . . 29
14.4 Scanning for Surface Contamination . . . . . . . . . . . 30
14.5 Measuring Food . . . . . . . . . . . . . . . . . . . 30
14.6 Measuring Liquids . . . . . . . . . . . . . . . . . . 31
14.7 Measuring Air . . . . . . . . . . . . . . . . . . . . 32
15. Interpreting Measurements . . . . . . . . . . . . . . 33
15.1 Units . . . . . . . . . . . . . . . . . . . . . . . 33
15.2 What is a Safe Level of Radiation? . . . . . . . . . . . . 34
16. Additional Resources . . . . . . . . . . . . . . . . 35
16.1 Web Resources . . . . . . . . . . . . . . . . . . . 35
16.2 Additional Reading . . . . . . . . . . . . . . . . . . 35
17. PRM-7000 Specifi cations¹ . . . . . . . . . . . . . . 36
18. PRM-8000 Specifi cations¹ . . . . . . . . . . . . . . 38
19. PRM-9000 Specifi cations¹ . . . . . . . . . . . . . . 40
20. Warranty . . . . . . . . . . . . . . . . . . . . . 42
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