This Rcexl Tachometer can be used to test and check the workings of the sensour pickup, and RPM speed of the engine while on the ground.

Version 2.0

PLEASE NOTE: Should NOT be plug in during flight use, Y lead should be removed also.

Features:
1:Use  P1C16f628a microcontrollers
2：Do not need batteries, power from the ignition
3: Standard Futaba Plug(Black-negative Red-Postive and White-Signal)
4:Using high-brightness LED digital tube
5:Input voltage range: 3V-12V - new for V2
6:Current consumption 25mA-60mA
7:Mini tachometer indicates up to 30000rpm
8:Actual RPM=Display digital *10
9:Body size:54mm L*20mm W*15mm H - new for V2
10: Window size:30mm L*15mm H
11:Weight: 15g(0.5OZ)
12:Increassed self test features - new for V2

Instructions:
1:The Y wiring tandem between in the Hall sensor and the ignition
2: The tachometer plug the other end with Y wire
3:Connected to ignition power supply and can be displayed

 
Note: That connecting plugs do reinforcement.To preven vibration. the hall sonsor& tachmoter wire leave from the ignition high-voltage wire, And receiver wires over 30cm

Connection tachometer is not recommended after the use of the flight, Best to remove the Y wire to restore the original sensor connection

If ignition have an additional tachometer pinout,You must be connected to dedicated tachometer signal wire

Download Manual Here
Rcexl Mini Ignition Tachometer Manual