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Monitor and protector for cars and GPS tracking system


Code : MAU-GPS




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Monitor and protector for cars and GPS tracking system


The device measure the temperature, oil pressure, alternator charge, running engine.
In case of fail, informt it to the GPS module and generate a progressive engine shtudown for 25 secconds, and after that go to permanent off to the engine.
Using differents signals inform to the GPS module the following:

-Engine is running
-Alternator fail
-Oil pressure fail
-Engine overheating
-Temperature

The temperature output is a analog signal that represent temperatures between 70°c(158°f) a 123°c(253.4°f) con un voltaje de 0~2.5V

Do not need open coolant circuit, only must touch the probe with engine. Also do not need break or modify the original sensors of car.
Economic, small and efficient.


Temperature probe into coolant water

Measure the coolant temperature
PROs
-Is the choosen way for every car manufacturers to sense the engine temperature.
-Is the most easy installation
-The human eye is more used to read the behavior of this temperature.
Cons
-When ther are a coolant leak, is possible that you overheat the engine and do not see it.

Placement
image

C=Termic isolator ( polyuretane foam, expanded polystyrene, eva rubber)
B=Probe
A=cylinder cup or coolant pipe

Cautions to be taken for this type of installation
-DO NOT OPEN THE WATER CIRCUIT, will broke the Pressurization
-DO NOT remove any original sensor of vehicle
-The probe work by temperature transfer, so ensure that the proble touch one place with high water flow
-Avoid that the probe will be cooled by wind.
-The probe is made of glass, do not pressure it, hit it, or twist it.
-La sonda es de cristal, no le haga presión, no la golpee, ni la retuerza.
-The probe must touch the hot place, if simply is close do not work
-The probe must be placed the most close to water output in the cylinder cover.
-Ensure the max touching surface with the heat one


One way to install the probe is to support it against a high flow hose and fix it with 5 or 6 turns of fabric insulating tape.
The tape will prevent air from leaking, it will retain it and, being of fabric, it will not stretch.
You can also use other fixation methods and add a seal with moderate pressure.