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UMA 2-1/4 Electric Tachometer 0-3500 Rpm
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Overview
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These 2-1/4" tachometers were designed to offer aviation styling and performance for all types of aircraft. These tachs have high resolution and easy to read displays. The analog model has a 270° sweep which provides great resolution in both the 3500 and 7000 ranges. The digital model has a bright LED display. Separate power source required. Installation is simple. If using mag pickup 1A9-1 or 1A9-2, remove vent screw-cap from magneto and screw in one of this mag sensors. Connect power to the tach and plug in DB-9 connector into the tach. If using 1A3-4 sender that goes into mechanical port, just install it there, connect 4 pin connector to the sender and DB-9 connector to the tach and connect power leads to the aircraft fuse box. Instructions included. Lycoming/Continental (to replace mechanical tachs) Current: 80 milliamps Size: 2.25" round x 2.75"deep Magnetic pickup (6 ft. cable length) included with P/N's 10-02141 and 10-02140 (T1A9). 6 ft. harness, sending unit, and .156 diameter tang adapter included with P/N 10-00083 (1A3-4). |
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov. |
Documents
- Installation Manual (PDF)
Q&A
Please note, Aircraft Spruce'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 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.
The UMA 3500 2-1/4 Analog Tachometer does not have internal lighting.
No, these instruments, part numbers 10-00083, 10-02140, and 10-02141, are not TSO'd for certified aircraft.
No, this tach will not work on a Rotax 912. The range of this tach does not even reach the speed of the Rotax engine. I think what you're asking about is the tiny tach, part number 10-04182.
No. This Tach is Non TSO'd and can not be used in a certified aircraft.
Per the installation manual the supply voltage is +10 to +28 Volts DC, Hourmeter output +12V @ 20ma max.
Yes, this will work with one pickup. You will need a dual harness sending unit. It will be special order based on length.
No, this comes with the Slick sender.
