The Night Flight Digital series uses processor technology for exceptional display accuracy. Pack Temperature Gauge. - GLB Flight Products LED display and LED bar display. Cable for electrical connection., Angle for attachment., Privacy screen Usage range: For naturally aspirated engines (petrol engines only). LED display: shows the negative pressure in digits. Product description: Vacuum pressure display: 0 to -0., 95 bar., Aluminium housing, silver., Black Glass Instrument , LED illuminated display. Ignition on: Illuminated display Installation dimensions: 52 mm diameter., 28 mm installation depth. An LED display shows the values., Processor controlled , Digital measurement processing , Extremely accurate readings. Blue LED Display Gauge 12V 1000 Barhigh Precision Digital Vacuum Meter 4-20mA Digital Pressure Gauge Meter Digital Vacuum Gauge Special features: Built-in voltmeter: every 10 minutes the on-board voltage is displayed in volts via the LED display and automatically switches back to negative pressure mode. Vacuum Meter / Data Logger - VD800 for USB vacuum transducers Warning function: from 3 seconds in the critical measuring range, the vacuum indicator warns via a flashing display (critical range: 0 to -0., 15 bar) HP-6688D Digital Engine Analyzer Connection option: Between throttle valve and motor.