Product Features: -Be suitable for all kinds of tacho RPM sensors, and display the rotation speed of the engine. -Use moving-magnet principle to drive the needle, featuring good endurance and anti-vibration. -IP67 waterproof and dustproof grade. -Stepper motors used for full range of stepping gauges, great feature with its less power consumption, longer life, higher precision, etc. -With curved glass (with anti-fogging function). -With ultra-wide working voltage design( long-term operating voltage: 9-32V, Maximum up to: 36V (≤ 1 min)).
-Fixing dimension: 85mm(3-3/8 inches) -Indicating Range: 0-3000RPM; 0-4000RPM; 0-6000RPM; 0-8000RPM -Speed Ratio: 1-300 adjustable -Working Voltage: 9-32V(12V/24V) -Backlight: Red, Green, Blue, White , Yellow, Grass, Orange, Purple, Automatic -Functions: current tacho/RPM, trip hour(clear data after power off) and total hour(accumulate data after power off) -Operation mode: LCD display, stepper motor
-Open a 3-3/8" dimension and 2-3/4" depth hole, put gauge into it and fasten
-After the instrument is mounted in the panel,screw down with a fixed ring
- Connect the wire,the instrument housing is directly connected to the 12/24v power supply