question

dfraizer avatar image
dfraizer asked

Temp sensors for Cerbo GX

I am looking to add temp sensors in my refrigerator & possibly a sensor reading supply air from my AC. What types of sensors do I need?

cerbo gx
2 |3000

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6 Answers
Stefanie avatar image
Stefanie answered ·

Hi @DFraizer,

you'll need the temperature sensor for Quattro, MultiPlus and Venus GX, which is also good for the Cerbo GX. See: https://www.victronenergy.com/accessories/temperature%20sensor%20qua%20pmp%20venus%20gx?_ga=2.10551028.1933131784.1590438491-1969333987.1588075539

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dfraizer avatar image
dfraizer answered ·

I appreciate the answer, but the temp sensor for the multiples does not seem appropriate for a refrigerator. Will a 2 wire sensor work?


1 comment
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The sensor for the MultiPlus is exactly designed for such things. The big cable lug is electrically isolated as is the rest of the sensor.

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chad-poindexter avatar image
chad-poindexter answered ·

So can I use the temp sensor that came with my Multiplus 12/3000 and hook it to my Cerbo and simply expose the lug to the outdoors and get a reading from that?

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permawatt avatar image
permawatt answered ·

hello

use LM335 TO-92 sensor.

permawatt

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permawatt avatar image
permawatt answered ·

hello

inexact, le capteur d'un M+ est une sonde LM 335Z dont la plage d'utilisation habituelle est de

- 40/+120°C ... donc parfaitement utilisable pour un frigo.

2 fils = no adjust possibilities, 3 fils= adjust possibilities sonde-victron-lm335z-6804.jpglm-335-broches.png

benoit Permawatt


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laurenceh avatar image
laurenceh answered ·

I made myself these.

See my post in this thread.

https://community.victronenergy.com/questions/63811/temperature-sensor-for-water.html?childToView=63865#comment-63865

These are attached to my Rpi 3B+ but they should work on a real GX device.

3 comments
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Hi

Yes i use those on my raspi systems and they work perfectly. I fit them into a stainless steel tube enclosure, as per photo.

20210113-105653.jpg

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Looks good, Rob. Where did you find the stainless tubing?

Nick Hardy

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You an buy it anywhere on line, i do carry a stock of these tubes.

Regards

Rob D

NZ

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