Temperature not stable/fluctuating

martinreulink · February 7, 2019

Hello,

recently i installed a new FUSB with 1 temperature sensor (DS18B20).

The problem i have, is that it will fluctuate extremly.

Attached you can see 2 sensors. The red line is a Fibaro smoke sensor, with built-in temperature sensor.

Blue is the FUSB.

Both have the same settings for reading and communicating to HC2.

Does anyone know this problem? Or have a tip to fix this?

Thanks!

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hTiger1 · February 7, 2019

Hi

Is what this one you have "UNIVERSAL BINARY SENSOR FGBS-001"

I would like to see the same picture where the temperature scale is also included.

I have a FGBS that works very well.

AndyY · February 7, 2019

@martinreulink looks little bit noisy. Maybe your powersupply has a ripple or something is wrong with ground connection?

Here a picture from my today outdoor temperature for comparison.

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10der · February 7, 2019

I have 4 connected sensors to UBS. All sensors works properly

for example my outdoor sensor (green)

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