AIR DATA PROBE - STING MOUNT

OVERVIEW

The AIMMS-20 Air-Data Probe (ADP) measures properties of the airflow in which it is immersed. Temperature and humidity sensors are housed in a proprietary reverse-flow chamber located in the aft section of the probe that results in inertial particle-separation within the flow, which protects the sensors and extends their service life. In addition, an accelerometer triad is incorporated into the module to facilitate direct turbulence measurement.

The ADP acquires following parameters:

  • Temperature
  • Barometric pressure
  • Relative humidity
  • Pitot-static pressure
  • Angle of attack (flow angle in vertical plane)
  • Sideslip angle (flow angle in horizontal plane)
  • Three-axis acceleration measurement

Benefits

  • "Smart" sensor probe with integrated sensor analog and digital electronics for high-accuracy, corrected and calibrated output
  • Provides real-time data reduction for true airspeed output
  • Low power consumption
  • Includes acceleration measurement to assist extraction of turbulence information
  • Two digital interface options for simple integration
    • Controller Area Network (CAN 2.0A)
    • RS-232
  • Available in two different mounting configurations

Options

  • Under-wing mount
  • Anti-icing heaters
  • Different pressure transducer ranges available (1psi for helicopter work, 2 psi for standard fixed-wing and 5 psi for jet aircraft

SPECS

Electrical

Electronics Voltage Input: 9 - 36 VDC

 12 VDC Typ.

Electronics Current Draw: 100 mA

Digital Interface: Control Area Network (CAN2A), 500kbps data rate

  RS-232 Serial Port (default 19.2 kbps)

Physical

Design: 5 - hole geometry at hemispherical tip with static ports

 to resolve air flow vector in three dimensions

Dimensions: 24 in. long by 1.5 in. diameter tube with hemispherical tip

Weight: 3 lbs. (1.4 kg)

Material:Aluminum 6061-T6

Finish:clear gold anodized

Performance

Internal Sampling Rate: 200Hz

Digital Lowpass Freq. Range: 1Hz - 40Hz

Max. data output rate: 40Hz

ADC Resolution: 14-bit

Barometric (Static) Pressure

Accuracy: 100 Pa + 0.05% of Reading

Range: 0 to 110,000 Pa

Pitot-Static Pressure Differential

Accuracy: 20 Pa + 0.05% of Reading

Range: 0 to 6000Pa, 0 to 14000Pa, 0 to 35,000 Pa

Angle-of-Attack (AOA) Pressure Differential

Accuracy: 5/10/20 Pa + 0.05% of Reading

Range: +/- 3000 Pa, +/- 7000 Pa, or +/- 17,000 Pa

Angle-of-Sideslip (AOS) Pressure Differential

Accuracy: 5/10/20 Pa + 0.05% of Reading

Range: +/- 3000 Pa, +/- 7000 Pa, or +/- 17,000 Pa

Temperature

Resolution: 0.01 Celsius

Calibrated Accuracy:0.1 Celsius

Response: Step Response Time (1/e) 5s

Relative Humidity

Accuracy: 2% RH(5% – 95%RH)

Resolution: 0.1%RH

Three-Axis Acceleration

Accuracy: 0.005g

Range: +/- 10g

Environmental

Operating Temp: -40 to +50 Celsius

 (extended minimum temperature range by special order)

Storage Temp: -60 to +90 Celsius

FIRMWARE

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Comparison Table

  AIMMS-20 AIMMS-20 AIMMS-20 PMS PMS Canister AIMMS-30 AIMMS-30 ARIM200 ARIM200 ARIM310 ARIM 310 ARIM320 ARIM 320
Pitot-Static Yes Yes Yes Yes Yes Yes
AOA & AOS Yes Yes Yes Yes Yes Yes
Static Yes Yes Yes Yes Yes Yes
Temperature Yes Yes Yes Yes Yes Yes
Humidity Yes Yes Yes Yes Yes Yes
Wind Data* Yes Yes Yes no no Yes
Acceleration Yes Yes Yes Yes no Yes
Attitude Yes Yes Yes no no Yes
Anti-ice Heater Optional 150W Optional 350W no 250W 200W 200W
Environmental Heater 50W 200W no no 50W 50W
Pneumatic Purge no Yes no no no no
Interface CAN
RS-232
RS-485
CAN
RS-232
RS-485
CAN
RS-232
RS-485
CAN
RS-232
RS-485
CAN
RS-232
RS-485
CAN
RS-232
RS-485
Optional Touch Display Yes Yes Yes no no no
GPS Yes Yes Yes no no Yes
USB Optional add-on Optional add-on Built-in Optional add-on Optional add-on Optional add-on
Dimensions 1.5" dia. boom
24" long
9" long pylon
1.5" dia. boom
45" long
0.75" dia. boom
13" long
4.5" long pylon
1.5" dia. boom
24" long
0.75" dia. boom
4 x 4.5 x 2.25 in. enclosure
0.75" dia. boom
4 x 4.5 x 2.25 in. enclosure
Weight 3.2kg 5.5-6.5kg 1.08kg 1.9kg 0.75kg 0.845kg
Surface Finish Gold anodized/
TiN opt.
TiN coated & black anodized Gold anodized/
TiN opt.
TiN coated/
Anodizing opt.
TiN coated & black anodized TiN coated & black anodized
Mil-Standard no no no Yes Yes Yes
Availability In production In production In production In production In production In production

PS: Pitot-Static   |   AOA: Angle of Attack   |   AOS: Angle of Sideslip
* Wind data includes wind speed, wind direction, and vertical wind

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