The ESI3 is an ultra-slim, low-cost device for indication only of engine 'vital signs'. The modules provide a simple alternative to traditional indicating gauges.

High intensity, moving point LEDs indicate engine oil pressure, coolant temperature and battery voltage. Green LEDs light when parameters are within normal limits; red LEDs indicate a fault condition. The ESI3 is designed for front-of-panel mounting in a 92 x 92mm DIN cut-out.

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