Ametek Land 4500 MKIII, User Manual

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B - 21
Model 4500 MkIII Opacity and Dust Monitor
User Guide
CAUTION
Do not attempt to move the zero point reflector by hand. The
precision gearbox will be damaged beyond repair.
1) From the instrument reading display, press
2) Unlock is displayed, press
3) Use the and arrows until the Supervisor code (Default: 10) is
displayed, wait for the icon to appear and press
4) Use the and arrows to select Settings and press
5) Use the and arrows to select Calibration and press
6) Use the and arrows to select Cal Check and press
7) Start is displayed, press to Start the Cal Check.
8) The hourglass is displayed while the Cal Check is in progress.
It disappears when the Cal Check is finished.
9) Press twice to return to the main display.
The Model 4500 MkIII is now ready for use.
B5.2 Calibration Audit (Non EPA-compliant)
A convenient Calibration Audit facility is provided, for carrying out Calibration
Audit tests.
Note that the simple calibration audit does NOT comply with the
requirements of US EPA Procedure 3. Refer to B5.9 for a calibration audit
method which complies with Procedure 3.
Calibration Error Checks
1) Press
2) Unlock
is displayed, press
3) Use the and arrows until the Supervisor code (Default: 10) is
displayed and press
4) Use the and arrows to select Calibration and press
5) Use the and arrows to select Cal Audit and press
6) Fast Response is displayed, press
The Zero Reflector is driven into its working position, and opacity is
displayed; it should be 0.0%. Release the clips on both sides of the
Transceiver housing. Swing the instrument open on its hinges.