1 automatic coarse calibration, Automatic coarse calibration – BNC SAM 935 Portable Gamma Spectroscopy System User Manual
SAM 935™ Instruction Manual
Calibrate Area Monitor from the menu:
The 3 steps needed to perform a recalibration are listed in the order they should be done:
3.2.1 Automatic Coarse Calibration
This process requires only a Cs137 source. It may take up to several minutes depending on the activity of
Press the U
Calibrate Area Monitor from the list.
Coarse Adj With Cs137 from the list, or just press F2.
If your SAM 935 was factory-calibrated, you will see the message below. Press Y
(F3) the first
time you do a coarse calibration; this will cause the SAM 935 to start its hardware adjustment algo-
rithm from scratch. Answer N
(F2) after the initial coarse adjustment (this will also make the cali-
bration process quicker).
Point the right front corner of the detector at the Cs137 standard (of approximately 0.5 to 2.0
and press S
(F2) to begin data acquisition.
Before beginning the recalibration process, make sure the proper detector is selected using
Select/Edit Detector function under the U
Answer Yes the first time you do a coarse calibration;
answer No thereafter.