User’s Manual 9R122-A
June, 2010
M203 Altimeter / Indicated Air Speed Tester
USER’S MANUAL
The Meriam Process Technologies (Meriam) M203 Altimeter / Indicated Air Speed Tester is a
microprocessor based pressure sensing device used to measure pressure 0-900 millimeters
(mm) Hg relative to absolute zero. The handheld is NIST traceable.
When used in Pressure Measure Mode, pressure can be displayed in a variety of engineering
units. Select the
ALT / IAS engineering unit and the M203 converts to Altitude Mode for checking
altimeter instruments. Pressing the TARE button from Altitude Mode changes the M203 to Air
Speed Mode for checking air speed instruments.
A timed leak test function is available for Pressure, Altitude and Air Speed Measure Modes. Other
feature
s
include a Min/Max capture, selectable damp rates and field re-calibration.
1.888.475.5235info@Meriam-Direct.com
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