LUDLUM 70, System Manual

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Model 70 System Manual
Ludlum Measurements Inc.
9
May 2021

Pressing CANCEL will cancel the current dose recording and clear all
data associated with this Dose recording (completely cancel the
recording).

Pressing START will resume recording of the Dose.
Upon the Model 70 completing the dose recording by reaching the preset time as determined
in the settings screen, the dose rate profile will be automatically saved. The unit automatically
assigns the dose rate file name in the same way as spectra. The dose profiles can be
downloaded to a PC using GalaXrayWiz GUI software.
2. After saving the dose profile, the following tips appear on the display:
Start, Spectra Acq, Settings

Press Start to start over the dose recording until pre-set time or next
interruption.

Press Spectra Acq to get to Nuclide ID Screen 2.

Press Settings to change the instrument settings.
To get back to original Screen 1
Dose , the user has to get to
Screen 2 Nuclide ID , and then by pressing ENTER/SAVE, the
instrument will get back to Screen 1
3. The user can save as many dose recordings as the instrument memory allows by
consequently pressing START/STOP and ENTER/SAVE.
4.5 IDENTIFY, Screen 2
Spectrum/Identify Mode
The Spectrum/Identify mode is used to display the spectrum of the radiation isotope being
monitored and to use the internal library to help identify the isotope.
Identified nuclides are given the categorizations as following:
I – Industrial
N- Naturally Occurring Radioactive Materials (NORM)
M- Medical
S- Special Nuclear Materials (SNM)