E-1 EGT/CHT Instrument The line of Electronics International digital instruments offers precise readings at exceptional prices. All gauges are accurate to 1% and are FAA-approved under STC No.1626NM. Furnished complete with all probes and leads. E-1: Single Channel EGT, 2 1/4" Mount, 2.5" Depth, 12 Oz. Kit, STCd, TSOd, PMAd, 1 Degree Resolution, Accurate within 1/2%, Viewable in direct sunlight, Backlit, Operates from 7.5 to 35 volts at .1 amp. Package Includes: Unit, 1 ea. 6 Cable, 1 ea. EGT Probe, All Wires and Connectors. Don’t Need Your Glasses To Read Large digital backlit display. Interpret Your Readings Faster The digital display allows for quick trend analysis. Budget Friendly Same precision found in the most advanced analyzers on the market, but won’t break the bank. Accurate, Dependable & Easy To Use LCD sunlight viewable and backlit for night operation. Electronics International consistently has been a leader in digital engine instrumentation since 1979.