Print System Reports .................................................................................................................... 82
A.
Calibrating the System ................................................................ 84
Entering Calibration Source Information ..................................................................................... 85
Selecting Output Mode ................................................................................................................. 86
Modifying Calibration Procedures ............................................................................................... 86
Measuring Alpha and Beta Backgrounds and Efficiencies .......................................................... 88
B.
Counting Samples........................................................................ 90
C.
System QC Charts ....................................................................... 91
QC Chart Reference...................................................................................................................... 91
QC Warnings ................................................................................................................................ 91
QC Lockout .................................................................................................................................. 92
D.
Optimizing the CANBERRA
i
SERIES for Air Sample Counting 93
iSERIES Algorithm ...................................................................................................................... 93
Testing the Algorithm .............................................................................................................. 94
Potential Problems ................................................................................................................... 94
Firmware Versions ................................................................................................................... 94
Gain Calibration ............................................................................................................... 95
Analysis Calibrations ........................................................................................................ 97
Sample Distance ............................................................................................................... 98
Sample Analysis Delay ..................................................................................................... 99
Count Time ....................................................................................................................... 99
Sample Collection Time ................................................................................................. 100
Filter Media Selection .................................................................................................... 102
Regions ........................................................................................................................... 104
Uncertainty of the Measurement .................................................................................... 104
Manual Gain Adjust ....................................................................................................... 105
Radon Stripping Verification Tests ................................................................................ 112
E.
Updating iMatic Firmware.......................................................... 113
Setting Up HyperTerminal ......................................................................................................... 113
Using the Flash Loader Utility ................................................................................................... 115
F.
System Installation .................................................................... 119
Items Required ............................................................................................................................ 119
Site Selection .............................................................................................................................. 120
Physical Requirements ........................................................................................................... 120
AC Power Source ................................................................................................................... 121
Preparation .................................................................................................................................. 121
Installation of Unit ...................................................................................................................... 122
Mounting the System ............................................................................................................. 122
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iMatic Automatic Counting System User's Manual - 9239221K
