question

ralf avatar image
ralf asked

Temperature sensor, built-in device=? (ASS000100000, for BMV)

Hello community,

does anybody know what type, model & make of sensor is used inside the ASS000100000?

We're forced to replace the temperature sensor by a smaller device and would like to have a datasheet, if possible.

NTC inside? Manufacturer? Model?

Temperature Sensortemperature compensation
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2 Answers
wkirby avatar image
wkirby answered ·
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sv-soleil avatar image
sv-soleil answered ·
@WKirby could you please explain why you believe that this sensor uses an NTC 150? There seems to be some confusion on this. Did you by any chance look inside one?




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Alex Pescaru avatar image Alex Pescaru commented ·


Probably because he knows that BMV uses NTC.

And starting from this point, it's easy to measure its resistance at 25 deg.C.

The other type of sensors uses an 1-wire device.

Look at this materials:

https://www.victronenergy.com/live/temperature_sensors

https://www.youtube.com/watch?v=Nz3rZomt9gA


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sv-soleil avatar image sv-soleil Alex Pescaru commented ·

@Alex Pescaru but how do you know or anyone know that the (four zeros then 1)-model uses an NTC? Is there any documentation.

I’d like to hear from someone who has opened one up or constructed one first hand and understand how they wired it.

The video you sent is interesting but it is specific to the (five zeros then 1)-model which is known to use an LM335.


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Related Resources

Victron temperature sensor disambiguation table - which product supports which sensor


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