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UMA Sending Units For Tachometers FAA TSO
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Overview
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1A3-4 UMA Sending Unit Includes: Sending Unit, and .156 dia. tang adapter. Dimensions: 4.5" overall length, 1.3" max. diameter. T1A9 UMA Sending Unit Magnetic pickup for Slick or Bendix Magnetos (6 ft. cable lengths) |
Reviews
Works great with Bendix S6RN-1225 magnetos connected to a Dynon EMS module. Used a 10k Ohm resistor to bridge between the power and signal wires, per Dynon recommendation.
Verified Purchase
UMA Tachometer Pick Up For Bendix Magneto 6 Lead
havent got to use them yet but its real nice haveing them here
Verified Purchase
UMA Tachometer Pickup For Slick Magneto 6 Lead
I replaced an Advanced Flight Systems unit with the UMA model and it worked with no changes to my EFIS settings. A word of caution...it was not easy to install in my Vans RV7A with an IO 360 engine. Needed to remove oil filter and disconnect one oil line to have access...then threading it into place was a two finger effort.
Verified Purchase
UMA Tachometer Pickup For Slick Magneto 6 Lead
Worked great with my bendix mags and AFSs 5600 EFIS with their internal EMS board.
Verified Purchase
UMA Tachometer Pick Up For Bendix Magneto 6 Lead
Plugged it in, wired to Dynon D-180. Started it up and like magic, it gave me perfect RPM reading. Very well made, and of high quality. Couldnt be happier. Well done.
Excellent service: delivered the right item expeditiously
This item is working perfectly with my Dynon 180Flightdeck.
Works on my G1 Cirrus and many hundred $ cheaper.
Awesome!! Tried to get my dynon to pick up my magneto RPM on my 540. Didn’t work so I bought a set of these. Worked great. Easy install and rock solid RPM.
Q&A
Please note, Aircraft Spruce Australia's personnel are not certified aircraft mechanics and can only provide general support and ideas, which should not be relied upon or implemented in lieu of consulting an A&P or other qualified technician. Aircraft Spruce Australia assumes no responsibility or liability for any issue or problem which may arise from any repair, modification or other work done from this knowledge base. Any product eligibility information provided here is based on general application guides and we recommend always referring to your specific aircraft parts manual, the parts manufacturer or consulting with a qualified mechanic.
Part # 10-01706 is only the sending unit.
Approx 0.13 lbs.
These units are FAA TSO approved.
This will work on single magneto only.
JPI recommends JPI probes for the EDM systems.
For the slick mag please view p/n: 10-02432.
Per manufacturer: 1A3-4 is tach sending unit and it cannot accept anything, it is giving out 2 pulse per rev square wave signal for tach.
UMA does not have data on this.
