Wall-mounted pointer-type marine stern shaft tachometer with dimming box, bidirectional stern shaft speed change indicator

Bidirectional speed measurement specially for marine stern shaft
Wall-mounted analog stern shaft tachometer, real-time monitor forward & reverse RPM of propeller stern shaft. Dual scale dial to judge rotation direction, designed for wall installation in engine control room.
With independent dimming box, adjustable dial brightness
Equipped with dimming control box, adjustable backlight brightness for cabin day & night working condition, comfortable reading during night watch.
Vibration-resistant analog meter for marine environment
Class1.5 accuracy pointer meter, shockproof & moisture-proof construction, stable performance under high humidity and vibration of ship engine room.
Wall-mounted design, easy installation & maintenance
Complete set including meter head and dimming box, simple wall fixing for ECR. Receive pulse signal from stern shaft sensor, support long-distance signal transmission. Suitable for new shipbuilding and vessel retrofit spare parts.
Complete speed measuring system
Matched with magnetic-electric speed sensor for stern shaft, form full set shaft speed monitoring system for marine propulsion shaft.