Manufacturer: Consolidated Instrument Co., Inc.
Series / Collection: Mark II Dual Tachometer (Twin-Tach Design)
Part Number: 30043
Gauge Type: Dual Tachometer (Port and Starboard Engine Speed Indicator)
Scale / Ratio: 3500 = 1750 RPM (Shows 3500 Engine RPM at 1750 Tachometer Drive Shaft RPM)
Dial Configuration: Twin analog pointers tracking Port and Starboard engines simultaneously
Mechanism Type: Electro-mechanical drag magnet design (Operates independently of aircraft/vessel electrical power bus)
Drive Type: Mechanical / Electrical configuration (Standard 1/8" SAE flexible drive compatible)
Primary Application: Twin-screw marine diesel vessels, twin-piston aircraft, and multi-engine synchronicity monitoring