Sigma Tek, Inc.
Sigma Tek manufactures and distribute aviation instruments, accessories and control panels to the worldwide aviation industry.
- (800) 876-5272
(316) 775-6373 - (316) 775-1416
- requestinfo@sigmatek.com
- 1001 Industrial Rd.
Augusta, KS 67010
United States of America
Categories
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product
Standard Attitude Gyroscopes
5000B-series
The 5000B is an air-driven gyro that has a pictorial horizon mask and fixed airplane. The mask moves to indicate climb, dive, and bank. Bank and pitch attitudes are displayed so that the pilot’s sensing of the gyro indication is the same as the interpretation of the relation between the wings of the aircraft and the natural horizon during visual flight.
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Directional Gyroscope
A flight instrument used in an aircraft to inform the pilot of the aircraft's heading.
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Breakout Box and Data Logger
1U643-001
The 1U634 Breakout Box and Data Logger was developed for the Cessna Excel to serve as the main diagnostics tool for the aircraft?? electronic modules. It allows access to the module pins, and its internal microcomputer digitizes the signals and transmits them to a PC-compatible computer. Advanced software in the computer displays pin voltages either in numerical or graphical form. Data files can be recorded on disk, and played back at a later time for detailed analysis.
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AC Calibration Standard
1U647-001
The 1U647-001 is a low cost calibration standard used to determine if a 1U632-100 or a 1U663-100 DMU requires factory calibration. Its portability makes it ideal for field-testing. The standard generates signals that simulate the aircraft’s resolvers, rotary variable transformers (RVTs), and linear variable displacement transformers (LVDTs). The unit also generates a pulse width modulated (PWM) signal, and routes the output of an ARINC 429 source to the different DMU input channels. The calibration standard connects directly to the DMU and replaces the output signals of an active extender card. Discrete switch settings simplify testing. The unit is housed in a rugged aluminum case.
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XYZ Bootstrap Directional Gyroscopes
4000H-series
Sigma Tek's Directional Gyro with heading synchro output provides a cost effective link to "bootstrap" other instruments requiring heading information for: display orientation to aircraft heading, heading stabilization functions, and other navigational calculations and/or solutions. Specific applications include: Argus Moving Map Display®, L-3 Avionics Stormscope®, and Insight Strike Finder®.
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Radio Control Panels
The use of control signals transmitted by radio to remotely control a device.
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Standard Directional Gyroscopes
4000B-series
The 4000B is our standard air-driven directional gyro. As the aircraft turns left or right, gears on the sensing unit and dial shaft translate this rotation into rotation of the instrument’s vertical dial. Left turns produce clockwise dial rotation and right turns produce counter-clockwise rotation. The gyro is controlled by a heading selector knob located on the lower left of the instrument. Pressing and turning the knob first disengages the dial shaft and then resets the dial to a new heading, which results in a new course indication. Releasing the selector knob re-engages the dial shaft. The on-course position of the pointer is always at the top of the azimuth circle (0° on the dial with the aircraft headed north).
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Cageable Attitude Gyroscopes
5000M-series
The 5000M is an air-driven gyro that has a pictorial horizon mask and fixed airplane. The mask moves to indicate climb, dive, and bank. Bank and pitch attitudes are displayed so that the pilot’s sensing of the gyro indication is the same as the interpretation of the relation between the wings of the aircraft and the natural horizon during visual flight.
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Electric Attitude Gyroscopes
5000EG-series
The 5000EG gyro is based on our air-driven 5000B model, whose proven reliability has made it the industry standard for many years. There are two models available: 14 and 28 VDC. The rotor is precisely machined from a heavy-metal tungsten alloy, which has a higher mass than brass, contributing to the instrument’s demonstrated stability. The electric motor is driven by a built-in power inverter, and has an integrated air-erection mechanism. A warning flag is deployed upon loss of primary power. During acrobatic flights or short stops, the gyro’s mechanism can be caged whenever the knob is pulled.
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4000B ARINC-style Directional Gyroscopes
This instrument was developed for those pilots that prefer the distinct, professional look of an ARINC-styled cockpit. It is identical to the standard 4000B model differing mainly in aesthetics. Besides its distinct bezel and airplane, the display graphics and colors differentiate it from the standard model. A heading reminder bug is available as an option.
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Engine Instruments
Instruments designed to constantly measure operating parameters relating to the aircraft's engine(s).
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ARINC-style Attitude Gyroscopes
1U367-series
The 1U367 has a pictorial horizon mask and a fixed airplane. The mask moves to indicate climb, dive, and bank. Bank and pitch attitudes are diaplayed so that the pilot's sensing of the gyro's horizon indication is the same as the interpretation of the relationship between the wings of the aircraft and the natural horizon during visual flight.
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Multifunction Engine Gauge
1U417-series
The three essential engine parameters are packaged in a 3” instrument. The 1U417 was derived from the Garwin 22-804 and is a direct replacement. As evidenced by its predecessor, the three most essential engine parameters have traditionally been the most requested by our customers.
