Trans-Cal SSD 120-30N (Nano) "World's Smallest Encoder" Boasting the industry's best warranty in the business, the all new Nano is also the smallest encoder available on the market. The Nano is a solid state encoder up to 30,000 feet. And with Trans-Cal's direct replacement policy, exchanging the Nano is a snap - 42 month manufacture replacement policy! And Trans-Cal encoders are some of the most reliable on the market with an average MTBF of 9.7+ years. The Nano had a pin for pin replacement for most other manufactures encoders. Also, the Nano is available with optional adapter plates that will allow the installer to mount the unit in another manufactures mounting tray. Also available with optional two independent RS232 serial data ports selectable message protocols for most popular avionics interfaces. Programmable for 100' and 10' resolutions. Specifications of the SSD 120-30N: . Operating Temperature......... -20C to +70C . Operating Altitude................ -1000 to +30,000 (also available in altitudes from 30,000 to 100,000) . Accuracy............................ +/- 50' from -1000 to +30,000 feet . Weight................................ 5.9 oz . Operational Voltage.............. Either 14 volt or 24 volt (at 0.27 Amps) . Temperature........................ No warm up time from +20C to +70C (-20C to +20C needs 30 Seconds) . Warranty............................. 42 Months - Direct Factory Replacement . Made in the USA . Contact Us today for more information on the Trans-Cal Nano. Dealers only!