Ludlum Measurements 3100, Manual, Page: 47 / 57

A-1
APPENDIX A
CALIBRATION
Section Page
A.1 CALIBRATION PROCEDURES ....................................................................................................A-2
A.1.1 Equipment Required ............................................................................................................A-2
A.1.2 Initial Checks .......................................................................................................................A-2
A.1.3 Computer Connection ..........................................................................................................A-3
A.1.4 Setting the Board Offset and Pressure Calibration ..............................................................A-3
A.1.5 Airflow Calibration ................................................................................................................A-4
A.1.6 Zeroing: Electrometer Offset................................................................................................A-4
A.1.7 Tritium Calibration................................................................................................................A-4
A.2 USE OF THE CL-1 TRITIUM CALIBRATOR ................................................................................A-5
A.2.1 Equipment Required ............................................................................................................A-5
A.2.2 Unpacking ............................................................................................................................A-5
A.2.3 Assemble Calibrator ............................................................................................................A-5
A.2.4 Leak Check ..........................................................................................................................A-6
A.2.5 Initial Procedure ...................................................................................................................A-6
A.2.6 Flushing ...............................................................................................................................A-6
A.2.7 Closed Loop Calibration ......................................................................................................A-7
A.2.8 Calculation of Response .....................................................................................................A-7
A.3 USE OF
137
CS GAMMA CALIBRATION RANGE..........................................................................A-8
A.3.1 Equipment Required ............................................................................................................A-9
A.3.2 Disabling the Gamma Compensation Chamber ..................................................................A-9
A.3.3 Placement of Model 3100 on Gamma Range .....................................................................A-9
A.4 FINAL CALIBRATION STEPS ....................................................................................................A-10