Flowtrecs APP for Android (twin engines)-2

Tax included

Flowtrecs on your phone/tablet
Works on any phone/tablet from Android 4.4.2 
Wireless connectivity to sensor (Bluetooth)
Version for 2 motors (or 1 with fuel return)



Secure payment

  Return policy

14 days to return

                  Wireless Fuel Computer on your phone

  Flowtrecs APP is a Android application for your phone showing the most important parameters of water, land and air vehicles equipped with petrol and diesel engines. The applications are wide and include, among others, motor boats and yachts, light planes, paragliders, motorcycles, power generators, oil burners, etc. The indicated parameters are: fuel consumption, economy of consumption, RPM speed,  speed, battery voltage and statistical parameters such as average fuel consumption, average speed etc. There are also  additional functions available, such as anchor alarm and MOB.  It comes in different configurations allowing its use for one engine, for 2 engines, for power from 20 to 500 HP. We developed durable measuring sensors made of aluminum alloys with  sapphire bearings inside. Application is working on any phone with Android from 4.4.2. It uses wireless Bluetoth connection between sensor and screen, which could greatly simplify installation works.

Application link

Please download application before buying and check if is working on your phone.


Main features

1. Fuel consumption l./h
2. Total fuel consumption 
3. Fuel Economy indicator km/l
4. Fuel in the tank (remainining) 
5. Range
6. Speed
7. Voltage  
8. Clock 
9. Distance   
10. RPM speed r/min (Attention! Please read optional accessories)
11. Screen brightness control
12. Motohour counter MTH 
13. Single engine operation 
14. MOB - Men Over Board that is saving the current position
15. Anchor alarm
16. Multilanguage screens (DE, ENG)
17. Units selection km/h,l  knots,l  knots,gal UK  knots,gal US
18. Settings lock (password secured)

Optional Accessories (Please read if you wish to use RPM Tachometer)

Carburettor engines (stationary and outboard) require the use of a tacho pulse limiter due to their excessive amplitude. If you have an injection engine, you don't need a tacho pulse limiter. Tacho pulse limiter is available in 2 versions: for stationary engines and for outboard engines.

Package contain:

1. 2 x FS-40 flow sensor
2. Wireless BT Connection Adapter
3. Operating instruction
4. Cable ties

Note - the product is available in several versions that differ in type flow sensor used:

S for engines 20 - 60 HP ( 0.5 - 20 l/h ) ( 1.2 mm inner diameter)

M for engines 60 - 130 HP ( 1 - 40 l/h ) ( 2 mm inner diameter)

L for engines 130 - 250 HP ( 1.5 - 90 l/h ) ( 3 mm inner diameter)

XL for engines 250 - 300 HP ( 2 - 120 l/h ) ( 4 mm inner diameter)

XXL for engines 300 - 350 HP (3 - 180 l/h ) ( 4.5 mm inner diameter)

3XL for engines 350 HP and more (5 - 300 l/h ) ( 6 mm inner diameter)

Allows you to get important savings on fuel!

After buying please specify your engine ad we will fit the best sensor for you.

4 Items

Data sheet

12-16 VDC
Current consumption
250 mA
Flow range
0,5 - 200 l/h
Measurement error
less than 5%
Hose connection
(3/8" dia hose for S,M) (7/16" dia hose for L,XL,XXL)

Specific References