Mensor - CPA2501(Avionics Digital Pressure Gauge Mensor

CPA2501 Avionics Digital Pressure Gauge

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  • 0.01% of full scale pressure accuracy
  • RVSM compliant
  • Ps, Qc, Ps/Pt or Ps/Qc configuration with virtual channels
  • Altitude and airspeed rate indication
  • Altitude ranges to 100,000 ft.
  • Airspeed ranges to 1150 knots
  • Indicated or True Airspeed
  • Indication in standard altitude and airspeed units


  • Aviation Calibration Labs
  • Aviation Repair Stations
  • Manufacturers of Avionics Equipment
  • Manufacturers of Aerospace Equipment
  • Wind Tunnels


The CPA 2501 is used in aviation and aerospace applications for calibration of altimeters and airspeed indicators, displaying altitude, airspeed, altitude rate (vertical airspeed) and airspeed rate (acceleration). Applied wherever there is a need for a high level of accuracy in an avionics indicator or calibration device.

Functional Flexibility

The CPA 2501 can be configured with an altitude channel and an airspeed channel consisting of Ps / Pt or Ps / Qc. It can be configured as 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 as Ps / Pt or Ps / Qc. In the Ps / Pt version the airspeed / airspeed rate channel is a calculated channel. An optional barometer can be installed for display on any channel or as a separate channel. Pressure ranges for each channel can be specified by the customer. Guidelines for ranges are given in the pressure range section of the specifications on page 2.


The CPA 2501 versions are as follows:

1. Ps (altitude version)

2. Qc (airspeed version)

3. Ps/Qc with a virtual Pt channel

4. Ps/Pt with a virtual Qc channel

An optional barometric sensor can be added to any version.


The manual user interface is through a 6.2 inch 640 x 240 pixel color LCD touch screen display. Navigation within the intuitive menu structure is easily learned. Recognizable icons, when touched, open screens for configuration and calibration. Communicating to a remote computer is achieved through Ethernet, RS-232 or optional IEEE-488 communications. Commands used for communication are the same as the previous version of Mensor avionics gauge models 2108 and 2109 or the WIKA SCPI command set.