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Trans-Cal - SSD120-30N-RS232 Altitude Encoder with RS232 port - Output to 30,000FT

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The Smallest, Lightest and Lowest Power Consumption Altitude Encoder, The Nano!

Download: Trans-Cal - SSD120-30N-RS232 Altitude Encoder Data Sheet
59,850.00 din.
59,850.00 din.
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Product Description


The SSD120-(XX)N-RS232 & SSD120-(XX)NE-RS232 are all solid-state Altitude Encoders. These devices provide a rugged and reliable means of measuring air pressure and converting this measurement into the ICAO parallel data for Pressure Altitude Transmission.

These units also provide altitude data on two asynchronous RS232 outputs. The serial data protocol is individually selectable for each output and is commonly used to provide pressure altitude data to ADS-B, GPS, Auto-Pilots, Transponders and other navigation devices.

Resolution of the serial altitude data may be set to 100 feet or 10 feet. A data protocol offering one-foot resolution is available, as well as one protocol offering altitude data in meters.

This device is available in a variety of configurations based upon the operating altitude, temperature range and data formats required.

The Smallest, Lightest and Lowest Power Consumption Altitude Encoder, The Nano!


- Dual 1/8-27NPT Static Port Inlets
- One ICAO pressure altitude grey code output
- Optional Two or Five RS-232 compliant data outputs
- One RS-485 compliant data output
- Serial ports may be installer configured to transmit separate data protocols
(message & baud rate)
- FAA TSO-C88a and EASA ETSO-C88a Approved
- Tested and Conforming to MIL-STD-704E and RTCA DO-160E
- Power, ground and data I/O lines provided on Industry Standard D-Subminiature
- Operating Voltage +10 to +33Vdc
- Operating Current: Low Altitude +12Vdc @ 220mA / +28VDc @ 270mA
- Operating Current: High Altitude +12Vdc @ 55mA / +28Vdc @ 60mA
- Operating Temperature Range: -20° to +70°C optional “E” version -55° to +70°C
- Operating Altitude Ranges: -1200 up to +100,000 feet
- Weight: Low Altitude 5.9oz. / High Altitude 6.8oz.
- Aluminum housing treated to resist corrosion.

Additional Information

Additional Information

P/N SSD120-30N-RS232
Delivery 1-2 weeks after placing order
Hazardous No
Oversize No
Manufacturer Trans-Cal
Special Price No


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