DOL 139 Humidity, Temperature, and C02 Sensor
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=445,h=446,fit=crop/A85r2nzzg5H9j0Or/dol139_total_0000-YD0p9D3GLMuWOLxg.jpeg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=278,fit=crop/A85r2nzzg5H9j0Or/dol139_total_0000-YD0p9D3GLMuWOLxg.jpeg)
DOL 139 is a smart 3-in-1 sensor combining measurement of both relative humidity, temperature, and carbon dioxide (CO2).
Benefits
Avoid CO2 accumulation
No more removing or destruction of sensors during high-pressure cleaning
Avoid higher mortality
Collect data for management purpose
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=289,h=358,fit=crop/A85r2nzzg5H9j0Or/dol119_total_0002-AE0peMlXpRULrkqp.jpeg)
![](https://assets.zyrosite.com/cdn-cgi/image/format=auto,w=328,h=320,fit=crop/A85r2nzzg5H9j0Or/dol119_total_0002-AE0peMlXpRULrkqp.jpeg)