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Summary of Contents for WIKA Mensor CPA2501
- Page 1 Operating Instructions Air Data Test Indicator CPA2501 Air Data Test Indicator CPA2501 PN 0018909001F • 02/2019...
- Page 2 Air Data Test Indicator CPA2501 This Warning symbol indicates that danger of injury for persons and the environment and/or considerable damage (mortal danger, danger of injury) will occur if the respective safety precautions are not taken. Warning This Caution symbol indicates danger for the system and material if the respective safety precautions are not taken.
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Page 3: Table Of Contents
Air Data Test Indicator CPA2501 Table of Contents 1. General Information 1.1 Warranty 1.2 Important Notice 1.3 FCC Radio Frequency Emission Notice 1.4 Trademarks and Copyrights 1.5 Software License Agreement 1.6 Mensor Service Plus 1.6.1 After the Warranty 1.6.2 Calibration Services 1.6.3 Certifications and Accreditations 1.7 Packaging for Shipment 2. - Page 4 Air Data Test Indicator CPA2501 6. Local Operation and Setup 6.1 General Operation 6.1.1 Setup Applications 6.1.2 Display Screen Features 6.2 Initial Setup 6.2.1 Contact and Version Information Application 6.2.2 Language Selection 6.3 Application Selection and Parameter Inputs 6.4 Applications 6.4.1 Measure Application 6.4.1.1 Pressure Mode / Emulation Mode...
- Page 5 Air Data Test Indicator CPA2501 6.4.9 Service Application 6.4.10 Unlocked Service Application 7. Remote Operation 7.1 Command Set 7.2 IEEE-488 7.2.1 IEEE-488.2 Commands 7.3 Ethernet 7.4 Serial 7.4.1 Serial Cable Requirements 7.5 Mensor Command Set 7.6 Command and Query Format 7.7 Command Set Definitions 7.8 Output Formats 7.9 CPA2501 Commands and Queries...
- Page 6 Air Data Test Indicator CPA2501 9. Maintenance 9.1 Beyond the Warranty 9.2 Spare Parts 10. Calibration 10.1 Calibration Services by Mensor or WIKA worldwide 10.2 Environment 10.3 Pressure Standards 10.4 Media 10.5 Setup 10.6 Calibration Data 10.7 One Point Cal Application 10.8...
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Page 7: General Information
Mensor has made a concerted effort to provide complete and current information for the proper use of the equipment. If there are questions regarding this manual or the proper use of the equipment, contact Mensor at: Mensor WIKA Alexander Wiegand SE & Co. KG 201 Barnes Drive Alexander-Wiegand-Straße 30 San Marcos, Tx 78666... -
Page 8: Trademarks And Copyrights
Air Data Test Indicator CPA2501 Trademarks and Copyrights Mensor is a registered trademark of Mensor, LP. All other brand and product names are trademarks or registered trademarks of their respective companies. ©2014, Mensor, LP. All rights reserved. Software License Agreement This product contains intellectual property, i.e., software programs, that are licensed for use by the end user/customer (hereinafter “end user”). -
Page 9: Safety Notices
Air Data Test Indicator CPA2501 Safety Notices User Responsibilities To ensure safety, the user must make sure that: • The system is used properly, no dangerous media are used and that all technical specifications are observed. • The system is operated in perfect operating condition. •... -
Page 10: Warnings And Caution Notices
Air Data Test Indicator CPA2501 Warnings and Caution Notices WARNING: HIGH PRESSURE! High pressure gases are potentially hazardous. Energy stored in these gases and liquids can be released suddenly and with extreme force. High pressure systems should be assembled and operated only by personnel who have been trained in proper safety practices. -
Page 11: General Description
Air Data Test Indicator CPA2501 General Description The CPA2501 can be a single channel altitude/altitude rate indicator (Ps only), a single channel airspeed/ airspeed rate indicator (Qc only) or it can be a dual channel unit configured with a Ps channel and Pt channel or a Ps channel and a Qc channel. - Page 12 Air Data Test Indicator CPA2501 • Emulation of Pt or Qc from native internal transducer package. • Multiple languages; change the language for on-screen text and number/date formats by simply touching one of the “national flag” icons available in the setup screen. •...
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Page 13: Turning On
Air Data Test Indicator CPA2501 Turning On You can confirm that your CPA2501 is operational right now. Apply power to the power connector on the rear of the instrument with the included power adapter, remove any plastic plugs from the rear panel pressure ports, and press the power switch to ON. -
Page 14: Display
Air Data Test Indicator CPA2501 Display The display is made up of two sections. In the main screen (“Measure Application”), the left two thirds shows the transducer channels that are configured for display, along with the air data or pressure read- ing, units, channel label, and any auxiliary indications that have been chosen. -
Page 15: Specifications
Air Data Test Indicator CPA2501 Specifications Accuracy specifications presented herein are obtained by comparison with primary standards traceable to a national metrology institute or recognized international standard organization. These specifications are obtained in accordance with the ISO Guide to the Expression of Uncertainty in Measurement (GUM). The calibration program at Mensor is accredited by the American Association of Laboratory Accreditation (A2LA) as complying with both the ISO/IEC 17025:2005 and the ANSI/NCSL Z540-1-1994 standards. -
Page 16: Measurement & General Specifications
15 ... 45 deg C Operating Altitude <3048 meters (10,000 ft) Communications Remote interface IEEE 488, RS-232, USB and Ethernet Command sets Mensor, WIKA SCPI CE conformity and certificates CE compliance EN61326-1:2013 electromagnetic compliance EN61010-1:2010 safety/CB scheme EN50581:2012 hazardous substances Calibration Calibration certificate per ISO/IEC 17025:2005. -
Page 17: Installation
Air Data Test Indicator CPA2501 Installation Unpacking the Instrument In addition to functional testing, each unit is inspected for appearance prior to leaving the factory. Upon receipt, please examine the instrument for shipping damage. Report any apparent damage to the carrier immediately. -
Page 18: Dimensions (Inches)
Air Data Test Indicator CPA2501 Dimensions (inches) Desk top case Front view Side view 19” rack mount Single mount - Front view Dual mount - Front view Rear Panel Baro ref port IEEE-488 (baro ref option) Remote Transducer connection RS-232 USB (device) USB (host) Ethernet port... -
Page 19: Mounting
Air Data Test Indicator CPA2501 Mounting The instrument can be set up on a desk top or it can be rack-mounted. Rack mount hardware is optional on the CPA2501 (see Section 5.2 Dimensions and Section 8, Options). The special sensors used in the CPA2501 are relatively insensitive to tilt and vibration. However to further assure stability and accuracy, avoid mounting the instrument on surfaces subject to excessive motor or machinery vibration. -
Page 20: Qc Reference Port
Air Data Test Indicator CPA2501 5.4.3 Qc Reference Port The reference port is available on Qc units. This port must be connected to the Ps pressure side, or both open to atmosphere for an accurate Qc reading . This is due to the common mode correction. The correc- tion is used to remove offsets of both zero and span when the reference pressure is changed. -
Page 21: Local Operation And Setup
Air Data Test Indicator CPA2501 Local Operation and Setup General Operation This section describes the procedures for operating the CPA2501 from the front panel. Instructions for operating the device remotely from an external computer are covered in Section 7, Remote Operation. By following the procedures provided in these two sections and Section 10, Calibration, you can expect your CPA2501 to deliver maximum accuracy and dependability for many years of useful service. -
Page 22: Initial Setup
Air Data Test Indicator CPA2501 Initial Setup Section 6.2.1 and 6.2.2 are provided first so that the operator can initially check the information screen to verify the installed components and to change the language if needed. 6.2.1 Contact and Version Information Application Press this application button to display Mensor contact, installed transducer, instrument and software version information. -
Page 23: Application Selection And Parameter Inputs
Air Data Test Indicator CPA2501 Application Selection and Parameter Inputs The application selection area on the right one third of the screen (see Figure 6.1.2 - Display Screen Fea- tures) is the area where setup, information and calibration Apps can be chosen. A second and third page of application selections can be accessed by pressing the page down button [ ]. -
Page 24: Applications
Air Data Test Indicator CPA2501 Applications 6.4.1 Measure Application The Measure App is the normal operation screen referred to in previous instruments as the ‘main screen’. This application is different from the others in that it is not use to setup the con- figuration but is used to monitor the pressure (altitude and/or airspeed) applied to the installed transducers. -
Page 25: Pressure Mode / Emulation Mode
Air Data Test Indicator CPA2501 6.4.1.1 Pressure Mode / Emulation Mode The Mode button is active only if the CPA2501 is not in Air Data Mode and there is an optional baromet- ric reference installed. Otherwise, the mode button becomes a label (figure 6.4.1.1) indicating the native mode of the transducer (absolute or gauge). -
Page 26: Zero Button
Air Data Test Indicator CPA2501 Auxiliary buttons can be placed in three different parts of the screen depending on how they are set in the Transducer Application. Each auxiliary display can be modified by pressing the displayed button. Peak: Pressing the Peak button will reset the upper and lower peak value to the current reading, subse- quent negative or positive divergence from that reading will be recorded in the button. -
Page 27: Tare Button
Air Data Test Indicator CPA2501 6.4.1.4 Tare Button If the Tare calibration function has been chosen in the Transducer App (section 6.4.4), then the Tare Button [ ] will appear in the channel screen. The Tare button and the Zero Button cannot appear on the screen at the same time, in the same channel. -
Page 28: Settings Application
Air Data Test Indicator CPA2501 6.4.2 Settings Application The Settings App is used to set up general settings for the display. Settings parameters include Language, Brightness, Volume, User 1 base units, User 1 multiplier, User 2 base units, User 2 multiplier, Barometer Units, Instrument Mode, and Configuration. -
Page 29: Brightness
Air Data Test Indicator CPA2501 6.4.2.2 Brightness The Brightness setting provides a sliding scale to increment the screen brightness in all screens. Sliding your finger along the bar graph or touching anywhere in the bar graph will change the brightness of the screen. -
Page 30: User Base Units / Base Units Multiplier
Air Data Test Indicator CPA2501 6.4.2.4 User Base Units / Base Units Multiplier When choosing a unit of measure from the Measure Application (main screen), standard units can be chosen in addition to two user defined units. User units 1 and 2 are defined in the Settings App using “User 1 base units”, “User 1 multiplier”... -
Page 31: Instrument Mode
Air Data Test Indicator CPA2501 6.4.2.6 Instrument Mode The Instrument Mode is a quick and easy way to change configuration to three different standard con- figurations: “Air Data”, “Ps/Qc Pressure”, or “Ps/Pt Pressure”. Air Data mode will display readings in altitude and airspeed units, Ps/Qc Pressure mode and Ps/Pt Pressure mode will display the parameters in pressure units. -
Page 32: Frames Application
Air Data Test Indicator CPA2501 6.4.3 Frames Application The Frame App allows the user to select the number and order of the transducer channels displayed in the Measure Application. One, two or three channels can be displayed at a time. Typically, in air data mode, Ps would be on top and Qc or Pt would be on bottom. -
Page 33: Frames Channel
Air Data Test Indicator CPA2501 6.4.3.2 Frames Channel The channel setting in the Frames application provides a way to choose which channel(s) appears and in what order within the Measure Application (Main Screen). Any installed transducer channel or an emulated channel can be displayed in the Measure Application. In figure 6.4.3.2, the Dual Frame format is set in the Frames format parameter, Ps is set as the top frame and Qc is set as the bottom frame. -
Page 34: Transducer Application
Air Data Test Indicator CPA2501 6.4.4 Transducer Application For each transducer, the Transducer Application provides a way to set the filter for the reading to reduce fluctuations due to electrical noise, and to set the resolution of the reading. In addition, the auxiliary display functions and calibration function can be specified here. -
Page 35: Qc Or Pt Emulation
Air Data Test Indicator CPA2501 6.4.4.2 Qc or Pt Emulation A Ps/Qc transducer can emulate a Pt Channel and A Ps /Pt transducer can emulate a Qc channel both using the formula Pt = Ps + Qc. In the Transducer Channel selection menu the native transducers are always listed first and the Emulated Channel is listed last. -
Page 36: Transducer Resolution
Air Data Test Indicator CPA2501 6.4.4.4 Transducer Resolution The Resolution of each transducer Channel can be set in the Transducer Application using the resolution Parameter. The resolution can be set to 4, 5 or 6 digits. Figure 6.4.4.4 - Transducer Resolution Operating Instructions - CPA2501... -
Page 37: Auxiliary Displays
Air Data Test Indicator CPA2501 6.4.4.5 Auxiliary Displays The Transducer Channel Auxiliary Display(s) can be set in the Transducer App by selecting Auxiliary Dis- play 1, 2 or 3 and selecting from, None, Peak, Rate or Units. Figure 6.4.4.5-A shows auxiliary display 1, 2 and 3 set for units, peak and rate respectively. -
Page 38: Cal Function
Air Data Test Indicator CPA2501 6.4.4.6 Cal Function The Transducer Cal Function presents a choice of None, Tare or Zero. Choosing Zero will enable the Zero Cal Button [ ] in the Measure App. Choosing Tare will enable the Tare Button [ ] in the Measure App. -
Page 39: Remote Application
Figure 6.4.5 - Remote Application 6.4.5.1 Remote Command Set The remote command set parameter provides a choice of the Mensor command set or the WIKA SCPI command set. Both sets of commands are listed in Section 7, Remote Operation. Figure 6.4.5.1 - Remote Command Set... -
Page 40: Remote Communication Settings
Air Data Test Indicator CPA2501 6.4.5.2 Remote Communication Settings The remainder of the Parameters in the Remote Application present the choice of a numeric entry, a numeric address entry, or a radio button selection. The parameters that require a numeric entry will present a numeric keypad with min and max limits for the variable. -
Page 41: Info Application
Air Data Test Indicator CPA2501 6.4.6 Info Application The Info application displays information about the instrument, including: • Mensor address, and email • Model number, serial number and operating software version • Transducer model number, serial number, range, software version Figure 6.4.6 - Info Application Operating Instructions - CPA2501... -
Page 42: Leak Test Application
Air Data Test Indicator CPA2501 6.4.7 Leak Test Application The Leak Test application provides a way to check the system for leaks into or out of the system. This App is found on the second page of the Apps menu accessed by pressing the page down button [ The operator defines a leak by setting the Time parameter and the Delta parameter. -
Page 43: Troubleshooting Application
Air Data Test Indicator CPA2501 6.4.8 Troubleshooting Application The Troubleshoot Application will display information about error conditions and remote com- munications. Within the troubleshoot screen (Figure 6.4.8-B), push the Error button to display any errors that have occurred in the instrument due to a communication or network error. Push the Remote button to show commands and responses that have been sent over the remote communication connection. -
Page 44: Service Application
Air Data Test Indicator CPA2501 6.4.9 Service Application The service application is a password protected area where calibration of all connected trans- ducers can be accomplished. In addition, this is where the password for entering this area can be changed. Figure 6.4.9-A - Service Application (locked) Press the Enter button to show the numeric keypad to enter a password. -
Page 45: Unlocked Service Application
Air Data Test Indicator CPA2501 6.4.10 Unlocked Service Application After the Password has been entered, the unlocked Service Application will appear (Figure 6.4.10). To re-lock this screen, press the lock button. Figure 6.4.10 - Unlocked Service Application From the Unlocked Service Application, the Password can be changed by pressing the Enter button next to the Change Password label. -
Page 46: Remote Operation
Selections may include the following or may be added per customers’ specifications: • Mensor (default) • SCPI WIKA (The SCPI WIKA mode emulates the WIKA command set in SCPI format.) IEEE-488 IEEE-488 address button – Allows the user to set the GPIB address by inputting a numeric value utilizing the touch screen. -
Page 47: Ethernet
Air Data Test Indicator CPA2501 Ethernet The Ethernet function allows the user to set the following by inputting a numeric value in each separate field: • IP • Netmask • Gateway • Port • DHCP settings Set the Ethernet communication parameters as described in Section 6.4.5. CAUTION: Please contact your network administrator for proper settings. -
Page 48: Serial
Air Data Test Indicator CPA2501 Serial Set the Serial communication parameters as shown in Section 6.4.5 Remote Application. The serial com- munication port allows the CPA2501 to communicate in RS-232 format with computers, terminals, PDAs, or similar hosts. These parameters should be set to match your host computer. Default settings are: 57600 baud, 8 data bits, 1 stop bit, no parity, and no echo. -
Page 49: Mensor Command Set
Air Data Test Indicator CPA2501 Mensor Command Set The Mensor command set is the default on the CPA2501. For queries (ending with a ?), the Data column represents the response of the CPA2501. All response strings begin with a space character or an “E” rep- resenting that there is an error in the error queue. -
Page 50: Output Formats
Air Data Test Indicator CPA2501 Output Formats Pressure readings are returned in exponential notation in a format according to the OUTFORM command as follows. Outform applies to both pressure channels. 1. <sp> pressure value <cr><lf> 2. <sp> pressure, units number,STANDBY <cr><lf> 3. - Page 51 Air Data Test Indicator CPA2501 <sp>n.nnnnnE+nn<cr><lf> Returns the C channel pressure read- <sp>n.nnnnnE+nn<cr><lf> Returns the C channel rate Calculate_as_found_lin- Calculate linearity slopes and inter- earity cepts from true/actual pressures Caldisable YES,NO Sets whether or not the ability to cali- brate the transducers is disabled Caldisable? <sp>(YES or NO)<cr><lf>...
- Page 52 Air Data Test Indicator CPA2501 Gastemp Value in degrees F Sets the head pressure gas tempera- ture Gastemp? <sp>+n.nnnnnE+nn<cr><lf> Gets the head pressure gas tempera- ture Gateway nnn.nnn.nnn.nnn Sets the Ethernet gateway address Gateway? <sp>nnn.nnn.nnn.nnn<cr><lf> Gets the Ethernet gateway address Height Value in inches Sets the head pressure height in...
- Page 53 Air Data Test Indicator CPA2501 Port nnnnn Sets the Ethernet port of the instru- ment Port? <sp>nnnnn<cr><lf> Returns the Ethernet port of the instru- ment Makes the left channel active Returns the left channel reading Makes the right channel active Returns the right channel reading Makes the right channel active Returns the right channel reading.
- Page 54 Air Data Test Indicator CPA2501 Sensorid? <sp>Mensor,SN XXXXXXXX, Returns the active transducer’s serial VN.NN number and firmware version Span desired pressure or ? Sets span on active transducer or for ?, clears previous value, must be > 50% FS and has a 1% limit. CALDIS- ABLE must be OFF/NO.
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Page 55: Units Command Syntax For Measurement Units
Air Data Test Indicator CPA2501 7.9.1 Units Command Syntax for Measurement Units Description Output Format Type pounds per square inch Imperial inches of mercury @ 0°C INHG Imperial inches of mercury @ 60°F INHG Imperial inches of water @ 4°C INH2O Imperial inches of water @ 20°C... -
Page 56: Cpa2501 Error Codes
Air Data Test Indicator CPA2501 7.9.2 CPA2501 Error Codes Code Serial Poll Byte Description Error String Returned No errors NO ERRORS Parameter error EGPIB PARAMETER ERROR: String that was sent Syntax error EGPIB SYNTAX ERROR: String that was sent 7.9.3 SCPI Commands and Queries STATus :OPERation :CONDition? - Page 57 Air Data Test Indicator CPA2501 :HEIGht? Returns the head pressure height in cm :MODE? Returns “OFF”, “GAS”, or “LIQUID” :MODE OFF | GAS | LIQUID Sets the head pressure mode :MEDium<n> Sets the medium density :MEDium? Returns medium :ACTive <C> Sets the active channel ACTive? Returns the active channel...
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Page 58: Scpi Commands Error Messages And Error Codes
Air Data Test Indicator CPA2501 7.9.4 SCPI Commands Error Messages and Error Codes All remote commands sent to the CPA2501 are shown in the Trouble Shooting App, under the “Remote” button. If there is a syntax error, an error message will appear below the errant command. Local errors and remote command errors will appear under the “Error”... -
Page 59: Options
Air Data Test Indicator CPA2501 Options • Barometric Transducer Channel • Barometric Reference • External Transducers (CPT6100 and CPT6180) • Rack Mount Kit • Fittings • Remote calibrations sleds (transducers, Barometric reference) Barometric Reference The Barometric Reference Transducer is an absolute pressure sensor used to accurately measure local atmospheric pressure. -
Page 60: Barometric Reference Specifications
Air Data Test Indicator CPA2501 8.1.5 Barometric Reference Specifications Accuracy: 0.01% of reading. Uncertainties include all pressure effects, temperature effects over the calibrated range and calibration stability for 365 days after re-zeroing. Pressure Range: The standard Barometric Reference Transducer is calibrated from 8 to 17 psia. Resolution: 6 digits. -
Page 61: Remote Calibration Kit For Internal Transducers
Air Data Test Indicator CPA2501 8.5.1 Remote Calibration Kit for Internal Transducers. The cable / power supply used to calibrate the internal transducer package remotely can be ordered as an option (PN 0018990001). Calibration of the internal transducer package can be performed remotely using the cable, a PC, and software provided. -
Page 62: Barometric Reference Calibration Sled
Air Data Test Indicator CPA2501 8.5.2 Barometric Reference Calibration Sled A Calibration Sled Kit is available to provide a way to calibrate the barometric reference remotely (PN 0018752001). Calibration of the Barometric Reference can be performed remotely using the Cal sled, a PC and the software provided. -
Page 63: External Calibration Procedures
Air Data Test Indicator CPA2501 8.5.3 External Calibration Procedures To calibrate the internal transducers or the barometric reference remotely, use the same setup described in section 10 of this manual. The only difference is that the interface with the transducer is through the software provided and a PC, not directly through the instrument. -
Page 64: Maintenance
Air Data Test Indicator CPA2501 Maintenance The CPA2501 was designed for maintenance-free operation. User maintenance is not recommended, beyond replacement of parts listed in Table 9.2. If you have questions not covered by this manual, call 1.800.984.4200 (USA only), or 1.512.396.4200 for assistance, or send an e-mail to tech.support@men- sor.com. -
Page 65: Calibration
10.1 Calibration Services by Mensor or WIKA worldwide Mensor and WIKA worldwide have extensive experience and knowledge of Mensor products. Calibration of the transducers in these products can be performed at the addresses below or by competent internal or external labs using the procedures in this section. -
Page 66: Setup
Air Data Test Indicator CPA2501 10.5 Setup The following illustration for calibration setup shows a typical setup for either local or remote calibration. Connect to the corresponding port when calibrating Ps, Pt (absolute transducers) and Qc (gauge trans- ducer).The equipment shown in the rectangle is only necessary for (Ps or Pt) absolute calibration. The PC is required only for performing a remote calibration. -
Page 67: Calibration Data
Air Data Test Indicator CPA2501 10.6 Calibration Data The Calibration Data Application is where the calibration data for each transducer is stored and amended. The Serial number (S/N), Zero offset (Zero) and Span offset (Span) can be seen in this screen. The date of calibration, the calibration interval and the certificate number can be entered by pressing the corresponding button, then saved by pressing the Check [ ] button. -
Page 68: Two Point Cal Application
Air Data Test Indicator CPA2501 10.8 Two Point Cal Application The Two Point Cal Application provides a place to adjust the Transducer Zero and Span (some- times referred to as the offset and slope). Figure 10.8 - Two Point Cal Application Follow the steps below for a complete 2 Point Calibration: Select a Transducer to calibrate by pressing the Channel button at the top of the screen. -
Page 69: Linearization
Air Data Test Indicator CPA2501 as the “High Reference” value in the same manner. After all four values (High Reference, High Reading, Low reference, & Low reading) have been entered, the Adjust button will become active. Press the Adjust button to check and accept the calibration data then press the Save button. - Page 70 Air Data Test Indicator CPA2501 Figure 10.9-B - Linearization Values Figure 10.9-B shows some typical values that might be seen in a linearization calibration. In the bottom right hand corner of this screen is the Graph Icon [ ] that, when pressed, reveals a Linearization Error Graph (figure 10.9-C) that gives a visual representation of the errors associated with the values entered in the Linearization screen.
- Page 71 Air Data Test Indicator CPA2501 Note: Entering the one point, two point, or linearization calibration application will force the instrument into its native pressure mode. After calibration is complete, you may need to select the instrument mode you desire. See section 6.4.2.6 page 31.te of calibration. Restoration to factory calibration can also be completed in this application.
- Page 72 Air Data Test Indicator CPA2501 10.10 Head Pressure The Head Pressure Application provides an automated way to calculate the head pressure offset be- tween a device being tested and the CPA2501 transducer, based on: • The difference in height between the device under test and the sensing element in the transducers (internal and external) in the CPA2501 •...
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Page 73: Appendix
Air Data Test Indicator CPA2501 11 Appendix 11.1 Measurement Units Table 11.1 - Measurement Units (unitno) Code Description Output Format pounds per square inch inches of mercury @ 0°C inHg 0°C inches of mercury @ 60°F inHg 60°F inches of water @ 4°C inH2O 4°C inches of water @ 20°C inH2O 20°C... -
Page 74: Conversion Factors, Psi
Air Data Test Indicator CPA2501 11.2 Conversion Factors, PSI The values listed in the column “To convert from psi” are the values imbedded in the instrument program. The values listed under “To convert to psi” are internally calculated approximations based on the imbed- ded values. -
Page 75: Conversion Factors, Millitorr
Air Data Test Indicator CPA2501 11.3 Conversion Factors, Millitorr The following table lists factors which should be used as multipliers when converting other pressure units to or from millitorr. Table 11.3 - Conversion Factors, millitorr Code Pressure Unit To convert from millitorr To convert to millitorr 0.00001933672 51715.08... -
Page 76: Conversion Factors, Pascal
Air Data Test Indicator 11.4 Conversion Factors, Pascal CPA2501 The following table lists factors which should be used as multipliers when converting other pressure units to or from Pascal. 11.4 - Conversion Factors, Pascal Unit No. Pressure Unit To convert from Pascal To convert to Pascal 1.450377E-04 6.894757E+03... - Page 77 Air Data Test Indicator CPA2501 Operating Instructions - CPA2501...
- Page 78 San Marcos, Texas 78666 Tel. 512-396-4200 Fax 512-396-1820 sales@mensor.com www.mensor.com Air Data Test Indicator CPA2501 PN 0018909001F • 02/2019 WIKA Alexander Wiegand SE & Co. KG Alexander-Wiegand-Straße 30 63911 Klingenberg / Germany Tel. +49 9372/132-5015 Fax +49 9372/132-8767 CTSales@wika.de www.wika.de...
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