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User's Manual 9R122-IR Rev 1
May, 2010
M203 Altimeter / Indicated Air Speed Tester
USER'S MANUAL
Meriam Process Technologies' M203 Altimeter / Air Speed Tester
is a microprocessor based pressure sensing device used to
measure pressure up to 900 mm Hg relative to absolute zero.
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 features include a Min/Max
capture, selectable damp rates and field re-calibration.
1
Table of Contents
User Interface.................................................................................1
1. Keypad Functions..................................................................1
KEY ......................................................1
KEY .........................................................1
KEY ........................................................1
KEY.......................................................2
BACKLIGHT KEY ..................................................................2
2. Zeroing the Manometer .........................................................3
3. Program Mode.......................................................................7
Units Select................................................................................8
ALT / IAS (Altitude / Indicated Air Speed) Mode .......................9
Damp Rate Select .................................................................. 11
Auto Shut-Off .......................................................................... 13
Lockout Select ........................................................................ 14
Header Name ......................................................................... 15
Contrast Select ....................................................................... 16
Data Logging .......................................................................... 17
Leak Test ................................................................................ 19
Re-Calibration......................................................................... 21
RE-CALIBRATION - 1 Point EDIT and START ..................... 22
RE-CALIBRATION - 5 Point EDIT ......................................... 23
RE-CALIBRATION - 5 Point START ..................................... 24
RE-CALIBRATION - Restore Factory Defaults ..................... 25
Specifications .............................................................................. 26
Certification/Safety/Warnings...................................................... 27
Changing the Batteries ............................................................... 27
Contact Information..................................................................... 29
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User's Manual 9R122-IR Rev 1
May, 2010
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Table of Contents
Summary of Contents for Scott Fetzer Meriam Process Technologies M203
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Page 1: Table Of Contents
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Table of Contents M203 Altimeter / Indicated Air Speed Tester User Interface.................1 USER’S MANUAL 1. Keypad Functions..............1 ON/OFF & BACK KEY ............1 MIN/MAX & UP KEY ............1 TARE &... -
Page 2: User Interface
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 User Interface: PRGM & ENTER 1. Keypad Functions Puts the manometer into the Program Mode from the Measure Mode. When in the Program Mode, pressing this key selects the programmable register to be edited (with prompt for password if Lockout is set). -
Page 3: Zeroing The Manometer
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 2. Zeroing the Manometer Keystroke Display The M203 Precision Smart Manometer is a stable and precise 1. Press ON/OFF button. The display briefly shows the instrument. However, on occasion the M203 should have a new header name and full scale range zero taken. - Page 4 User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 4. Press the PRGM key. Top line of display shows the 2. To zero the manometer using Factory Zero, start with the current non-zero compensated unit turned ON and in Measure Mode. Then use the pressure value.
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Page 5: Program Mode
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Units Select Note that the User Adjusted Zero feature will not accept entries in altitude units (FEET or METERS). When the The standard engineering units available on the M203 are: current engineering unit is FEET, the User Adjusted Zero function will automatically prompt for an entry in Inches of Inches of Mercury at 0°... -
Page 6: Alt / Ias (Altitude / Indicated Air Speed) Mode
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 5. d. Go To Step 7. ALT / IAS (Altitude / Indicated Air Speed) Mode 6. If METRIC units are Top line reads “UNITS desired, press the SELECT”... -
Page 7: Damp Rate Select
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 User Info Select (Accuracy, SW version, Mfr date, SN) Damp Rate Select Adjustable exponential type damping is available to steady the The User Info Select registers are designed to provide the user display when measuring pulsating pressures. -
Page 8: Auto Shut-Off
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Auto Shut-Off Lockout Select Enabling the Auto Shut-Off feature allows the manometer to Enabling the Lockout feature prevents unauthorized users from turn itself off after a user selected period of keypad inactivity. making changes to the configuration of the manometer. -
Page 9: Header Name
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Header Name Contrast Select Follow the steps below to edit the Header Name. The Contrast Select register allows the user to adjust the Keystroke Display character contrast of the LCD display to provide the best 1. -
Page 10: Data Logging
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Data Logging The Auto Shut-Off” timer is disabled for Data Logging sessions. Data Logging can be used to record pressure measurements. Be sure to end the session to re-enable the Auto Shut-Off timer. Two record modes are supported: automatic and manual. -
Page 11: Leak Test
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Leak Test The “Auto Shut-Off” timer is disabled for Leak Test sessions. Be The Leak Test feature allows the user to determine the leak rate sure to end the session to re-enable the Auto Shut-Off timer. in the pneumatic system being monitored. -
Page 12: Re-Calibration
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Re-Calibration RE-CALIBRATION – 1 Point EDIT and START The Manometer can be re-calibrated in the field for zero, span, To perform a 1-point re-calibration, apply a pressure between and linearity. -
Page 13: Re-Calibration - 5 Point Edit
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 RE-CALIBRATION – 5 Point EDIT RE-CALIBRATION – 5 Point START To edit the calibration points for a 5 Point re-calibration follow To begin the 5-point re-calibration procedure, turn the unit OFF the steps below. -
Page 14: Re-Calibration - Restore Factory Defaults
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 10. Use up or down arrow keys Top line reads “SAVE?”. to select NO or YES when Bottom line reads “NO” or Specifications asked “Save?” the Re- “YES”. -
Page 15: Certification/Safety/Warnings
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Battery Type: 4 each AA alkaline Battery Operation: >100 hours continuous use, 1 year shelf life, auto power off programmable at Disabled, 10, 20, 30, 60 or 90 minutes Enclosure: (6.9”... -
Page 16: Contact Information
User’s Manual 9R122-IR Rev 1 User’s Manual 9R122-IR Rev 1 May, 2010 May, 2010 Contact Information If the M203 can not be zeroed, recalibrated or is damaged, it must be returned to the factory for servicing. In this case, contact the Meriam Process Technologies representative in your area or call the factory at the numbers listed below for a Return Material Authorization (RMA) number.
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