Ametek Land 4750-PM, Руководство пользователя

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5 - 5 User Guide
Particulate Measurement System 4750-PM
5.2.7 Laser Function [LASR]
Select the LASR menu to switch the laser ON or OFF.
WARNING!
Laser radiation. This product contains a Class 3R laser.
Avoid direct eye exposure to the emitted laser radiation
at all times during installation, maintenance, and normal
operation.
5.2.8 Audit Mode [AUd]
Use the AUd menu to control automatic sensor and system checks. This
setting should be OFF by default and during normal operating conditions.
When carrying out an audit of the instrument, it is important that the sensor
is put into Audit mode, i.e. it is switched ON. This disables the compensation
checks and the Calibration Factor.
NOTES
(i) Ensure that the Audit mode [AUd] is turned OFF after the
manual audit has been completed and that the instrument is
returned to normal operation. Failure to do this may result in
incorrect readings being recorded.
(ii) The Audit mode does not affect the physical performance
of the instrument, this is necessary to allow the instrument
readings to be compared to the audit filter values.
5.2.9 Run Sensor Checks Manually [RUN.T]
1) Scroll DOWN to the RUN.T (Run Tests) menu.
2) Press RIGHT to access the menu. The display shows RUN .
3) Press RIGHT again to initiate the sensor checks. The Self-check LED
starts to flash to signal the tests are running. The total runtime for all
three tests is approx. 1 minute.
4) When complete, return to the DUST menu and press RIGHT to view the
sensor test results (see also Section 5.6.3).