E8500 Instruction & Operations Manual
version 1.017
Page 38 of 49
Stack Draft & Pressure Calibration Procedure
1.
Connect a pressure calibration standard to the pressure (+) connector on the
front of the instrument.
2.
In the SETUP menu, make sure the velocity sensor is off.
3.
Press the “CALIB” button to enter the calibration menu.
4.
Scroll down to SPAN DRAFT and press OK.
5.
Using the calibration standard, generate a pressure value near the maximum
stated value for the scale being used, for instance 80 mbar if using the mbar range.
6.
Enter the value generated as the span value using the arrow keys, and press the
enter button.
7.
Verify that the reading on the instrument matches the reading on the calibration
standard.