r/VIVOSUN•
russellville

New 4-in-1 Sensor VSE-CO2S4

Question

https://vivosun.com/en-US/vivosun-co2-temp-humidity-light-sensor-p167694309558935291-v167694309558935290

Has anyone else purchased the upgraded sensor just released? It's the new 4-in-1 Sensor VSE-CO2S4. I purchased it and hooked it up a few days ago. I'm getting different numbers on this sensor than the stock sensors I have been using. The temperature is usually pretty close +/- 2 degrees. But the humidify difference varies. Sometimes the humidify difference is 9%, sometimes it's 2%. Right now it differs by 3%.

Growhub E42A+ = 4-in-1 sensor
H05 = stock sensor

Previously, I had two stock sensors. One from my H05 humidifier and one from the GrowHub E42A+. The readings of the two stock sensors we almost always identical - temperature and humidity. What concerns me is the new sensor humidity difference varies. I'm still testing. I'm not sure if I should trust this new sensor or the old sensors.

Does anyone else have experience with this device?

Posted Jun 2, 2026, 1:04 PM UTC

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