85mm Waterproof Tachometer 0-3000 RPM Car Boat Tacho Meter Gauge Hourmeter 7Color Backlight Tacho Gauge Meter for Marine Yacht DC12V24V

85MM Diesel Engine Tachometer RPM Gauge REV Counter 0-3000RPM with Digital Hourmeter 7 Color Backlight Optional 12V 24V

Feature:

1.Racing look enhance the characteristic to your car/vehicle
2. with installation manual.
3. 7 Color Backlight
4.High Precision
5.Fitment : Tachometer fit for Car /Truck/ Boat /Diesel Generator Engine /Gasoline Engine
6. 0-3000RPM

Specification:

Materials:stainless steel+nickel-plated plastic
Operating Voltage:12V/24V
Connectioning:Red-Battery(+9-32VDC) Blue-Battery(-) Black-Signal, Orange-Blacklight(+9-32VDC)
Indicating Range: 0-3000RPM
Input Signal: Pluse Signal from tacho sensor, engine, alternator, ignition coil, crankshaft sensor, etc.
Adjustable speed ratio: 1-300
Protection Class: IP67,can work underwater 1m position

Package:

1x Tachometer
1x Installation Instruction

Technical parameters: Operatingvoltage: 9~32VDC Operating current: ≤100mA Operating temperature: -30~ 80℃ Storage temperature: -40~ 85℃

1. Keep on pressing the rubber button of the backside for 3 seconds, and then enter into setting mode, if leave button more than 3 seconds, it will be out of setting mode.
2. The value will increase when you press the button. When you leave the button and then press it again, the value will decrease. Ten longer you press the button, the quicker the value will count up. The minimum step value
is 0.1 and the adjustable range is 1.0~360.
3. When you get the required speed ratio value after adjustment, please leave the button.The tachometer automatically saves the result you set after 3 seconds, If the setup doesn’t meet your demand, please re-setup.
4.Short press the button to change the backlight color : Backlight changed in sequence: red (default) → green →
blue → white → yellow → cyan →Purple → (automatic).Automatic:Automatically switch the backlight color every 1 minute, Cycle switch according to the abovesequence.

Connection:

1 Black: Ground(-)
2 Red: 9-32VDC(+)
3 Blue: Signal
4 Yellow:Backlight