Description
True Airspeed Indicator, 3 1/8″ 40-260 knots, TSO
United Instruments True Airspeed Indicator measures differential pressure developed between the pitot tube and static pressure system. Indicated airspeed is displayed on the outer scale in MPH and on the inner scale in Knots. Manually rotatable outer dial is set to correlate outside air temperature with altitude to provide true airspeed reading in dial cutout. Setting knob is at 5 o’clock position. 3-1/8″ instrument round mount with 1/8-27 ANPT rear pitot and static ports. United Airspeed indicators are available in a variety of ranges up to 300 mph. Specify range when ordering. Meets FAA TSO C2b.
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- Power Input: 10-32 VDC; 6W nominal, 25W max
- Output: ARINC 429 (see manual for specific labels)
- Operating Range:
- Attitude: 300° per second pitch, roll and yaw (max)
- Altitude: -1,500 to +55,000 ft (-457 m to 16,764 m)
- Airspeed: 20 to 500 knots (23 to 575 mph) (37 to 926 kph)
- Vertical Trend: 6 second time frame
- Heading: Displayed via ARINC 429 input (external interface dependent)
- Units of Measure:
- Altitude: Feet or meters
- Barometric Setting: Inches of mercury, millibars
- Airspeed: Knots, miles per hour or kilometers per hour
- Panel Tilt: Configurable: -90° to +90° pitch
- Panel Roll: Configurable: -5° to +5° roll
- Lighting:
- 5, 14 or 28 VDC external input or internal photocell
- Programmable dimming curve
- Pilot Interface: 16-detent, push and turn knob
- Weight: 1.6 lbs (0.73 kg)
- Battery:
- Rechargeable, field-replaceable, internal battery
- Technology: Nanophosphate® lithium-ion
- Run time: 60 minutes minimum when fully charged and properly maintained
- Mounting: Front panel mounted
- Mating Connectors:
- Mid-Continent P/N 9017646 kit contains custom DB15 connector with configuration
- module, pitot and static connectors
- Certification:
- FAA TSO certified to C2d, C3e, C4c, C10b, C106, C113a, C179a
- ANAC TSO certified to C2d, C3e, C4c, C10b, C106, C113a, C179a
- EASA ETSO certified to C2d, C3d (incomplete), C4c, C10b, C106, C113, C179a
- RTCA DO-178B and DO-254 Design Assurance Level (DAL) A
- RTCA DO-160 and RTCA DO-311 qualified
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- Input Power Nominal: 6 Watts (0.5 Amps @ 12VDC)
- Input Power Max: 12 Watts (1.0 Amps @ 12VDC)
- Required Circuit Breaker: 2 Amp
- Operation on Battery: 2 Hours Typ @ 20°C / 30 Minutes Min @ -20C
- Physical Attributes
- Mounting Configuration: 3 1/8” Round Instrument Hole
- Dimensions wo/Connector: 3.38 x 3.38 x 1.6 Inches
- Weight: 0.50 Lbs.
- Electrical Connector: 15 Pin Male D-Sub
- Pneumatic Connectors: ¼" OD Quick Connect
- Mounting: (4X) #6-32 Machine Screws
- Case Material: Billet Aluminum
- Environmental
- Operating Temp: -20°C to +55°C
- Storage Temp (48 Hrs): -30°C to +80°C
- Humidity (48 Hrs): 90% RH
- Display
- Diagonal Size: 3” Circular
- Contrast Ratio (Typical): 500
- Brightness (Typical): 1000 cd/m2
- Viewing Angle Left/Right: 60°
- Viewing Angle Up: 45°
- Viewing Angle Down: 10°
- Backlight Lifetime (Typical): 50,000 Hrs
