5 Maintenance
5-29
5.9 Lamp test
To check if the read-out unit works correctly, perform Lamp Test. You can get the
stability of the entire read-out unit, including the photomultiplier (photo detector), by
Lamp Test, based on the reproducibility of the measured intensity.
The following describes the procedure of Lamp Test. Confirm that CV value of every
element is equal to or less than 0.1 after the test.
1 Select Maintenance - Lamp Test on the menu bar.
Screen 5.2 Lamp Test
2 Start the measurement by pressing 1:Start or the start button on the spark stand.
3 Measurements of specified times (10 times by default) are automatically carried
out and the result is calculated
Confirm that CV value for every element is 0.1 or less, except for elements for
which gas-type or higher-order-type photomultiplier is used.
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