Ludlum Measurements 3100, Руководство пользователя

Страница: 57 / 57

A-11
a. Review the parameters and settings and make sure that they are saved inside the instrument. There are
two parameters that should be reviewed at this point:
1. Alert: this parameter establishes a fixed alarm point, independent of the user-settable alarm point.
If not desired, a set point of 0 disables this feature.
2. Check Source Mode and Target Reading: The check source test is typically used on a daily or
as-used basis, and can be either internal, or one can use an external check source. Choose either
external or internal, and then enter the target reading you expect the source to cause. When the test
is performed, the check should cause a reading within 20% of the target reading, or else the word
FAIL will be displayed. See Section 2.3.4 for more detailed instructions.
b.
Print your parameters by one of two methods:
1. Go to Parameters at the top of the program screen and click there to get the drop-down menu to
locate and select Print Parameters.
2. Simply press the Ctrl and P keys to print.
c. Before closing the software program, take note of the firmware number located immediately to the left
of the Update key at the bottom right corner of the program screen. This number should be
documented in the comments section of the certificate of calibration.
d. Document all readings on an appropriate calibration form. Include a printout of parameters along with
the calibration certificate.