[![Si-PRO-CO-CO2-COV](/sites/default/files/styles/product_image/public/images/SI-PRO-CO-CO2-COV-DROITE.png?itok=4a4b4Lj5)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/SI-PRO-CO-CO2-COV-DROITE.png?itok=JSW9fLBh)

 

 

 Ref: Si-PRO-CO2, Si-PRO-CO, Si-PRO-VOC

  

 

**Si-PRO-CO2:** CO2 probe. Main applications: CO2 monitoring (IAQ) in VAC systems of office buildings, commercial buildings, education facilities.

**Si-PRO-CO:** CO probe. Main applications: CO monitoring in parking lots, boiler rooms and in industrial environments.

**Si-PRO-VOC:** VOC probe. Main applications: VOC monitoring (IAQ) in VAC systems of office buildings, commercial buildings, education facilities, Control of TVOC in pharmaceutical industries.

Plastic body, Ø 29.5 mm, length: 175 mm.

*[Si-ACC-R2](https://sauermanngroup.com/en-INT/node/34904) probe cable connection to class 320 transmitters is needed.*



 [  Technical Data sheet ](https://www.kimo-instruments.com/sites/default/files/files/DS_probes_transmitters_class320_EN_23-02-26.pdf) 

 

       High accuracy 

 

       Long-term stability 

 

       Reliable measurements 

 

       Interchangeable, autolock connector 

 

 

 

 


 Product info   #### Measure details

- Units
    
     
    
    ppb, ppm
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Measuring ranges

- Si-PRO-CO
    
     
    
    0.00 ppm ... 500.00 ppm
- Si-PRO-CO2
    
     
    
    0.00 ppm ... 10000.00 ppm
- Si-PRO-VOC
    
     
    
    0.00 ppb ... 1000.00 ppb
- Si-PRO-VOC
    
     
    
    400.00 ppm ... 2000.00 ppm
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

 



 



 



 

 

#### Technical details

- Parameters
    
     
    
    Air quality
    
    CO
    
    VOC
    
    CO₂
- Wireless connection
    
     
    
    No
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Operating temperature

- Min 
    
     
    
     Max
- -10.00 °C 
    
     
    
     50.00 °C
- 14.00 °F 
    
     
    
     122.00 °F
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 



 Supplied with   1 mounting flange

1 adjustment certificate

 

 

 Accessories    [ ![Si-ACC-R2](/sites/default/files/styles/small/public/images/27999_Si-ACC-R2.png.webp?itok=65BtmNc2)

 Si-ACC-R2 connection cable ](/en-INT/measuring-instruments/transmitters/accessories/si-acc-r2-connection-cable)

 

 

 Downloads   #### Documents

[    Transmitters](/sites/default/files/files/EN_54593_Brochures_Transmitters_01-2026_web.pdf)

 





 Compliance