The SSD120-(XX)NEH-RS is an all solid-state Altitude Digitizer/Encoder. This device provides a rugged and reliable means of converting air pressure measurement to ICAO parallel data for Pressure Altitude Transmission.
The SSD120-(XX)NEH-RS also provides altitude data on Two asynchronous RS232 and one RS485 output. The serial data protocol is selectable and is commonly used to provide pressure altitude data to ADS-B, GPS, Auto-Pilots, Transponders and other navigation devices.
This Altitude Digitizer/Encoder (Alternate Part# 50NEH-RS) has an altitude range from -1,000 ft to 50,000 ft.
Features:
- Two 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)
- One ICAO pressure altitude grey code output
- 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 are all provided on a hermetically sealed MILDTL-38999 Series III cylindrical connector
Product Codes | |
|---|---|
| Mfr Part No: | SSD120-50NEH-RS |
Weight: 11 ozAltitude: Range: -1,200 ft – 100,000 ft, model dependingTemperature Range: -55°C to 70°COperating Current: 60 mAOperating Voltage: 10 VDC – 33 VDC
- Stock: Out of Stock - On Backorder
- Manufacturer Part #: SSD120-50NEH-RS
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Returns & refund summary
- 30-day return window — with prior return authorization, unopened in original packaging.
- Restocking fee: 20% on unopened items, 30% on open-box items.
- Refund processing fee: 5.51% applies to all refunds (returns, cancellations, core-fee refunds) regardless of reason.
- Return shipping: paid by buyer.
- Non-returnable categories: installed/used parts, special-order or rebuilt items, programmed items (incl. ELTs), batteries, AOG-priority orders, international orders.
Full terms: Return Policy.
Authenticity & authorization
All parts sold by American Aviation Parts are genuine factory products sourced through authorized distribution channels. Our authorization status varies by brand — for some brands we are a direct authorized dealer; for others we are an independent reseller through authorized distribution. Either way, the part you receive is the same factory product, with standard documentation available on request.
See our full Manufacturer Authorizations page for the current per-brand status.
Need traceability paperwork?
If your installation requires FAA Form 8130-3, manufacturer Certificate of Conformance, or other traceability documentation, please call 1-877-722-8727 or email [email protected] before placing the order so we can confirm what is available for this part.
Shipping
Standard ground, expedited, and AOG shipping options are available at checkout. Full shipping-cost tiers and timelines are published on our Delivery Information page.
