OPT-1 Oil Pressure and Temperature (TSO’d and STC’d as Primary Replacement) Displays accurate Oil Pressure and Temperature readings. Easily see readings on a large LCD display along with an LED arc for quick-glance analysis. INCLUDES: Instrument Temp Probe, Pressure Transducer and Wire Harness. SPECIFICATIONS: 2 1/4” Mount. 3.65” Depth. Viewable in direct and indirect sunlight. Backlit for night operation. Operates from 7.5 to 30 volts at .3 amps. Instruments may come with labels on the faceplate rather than silkscreened to signify limit markings for your aircraft. OPTION: An A-102 Adapter is available to fill a 3 1/8” hole
