[![Si-PRO-U-W](/sites/default/files/styles/product_image/public/images/Si-PRO-U-W-PERSP.png?itok=H2ifF1bm)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/Si-PRO-U-W-PERSP.png?itok=6oxfuuuL)

 

 

 Ref: Si-PRO-U-W

  

 

Interchangeable flush-mount hygrometry probe for cleanrooms.  
Stainless steel body and sintered filter. Autolock connector.

Specifically designed to be installed inside clean rooms and other regulated environments where an accurate regulation or monitoring of the humidity is required.

*[Si-ACC-RVP](https://sauermanngroup.com/en-INT/node/34903) cable is needed to connect to Si-CPE320 transmitter.*



 [  Technical Data sheet ](https://www.kimo-instruments.com/sites/default/files/files/DS_Si-PRO-U-W_EN_24-01-25_0.pdf) [  Simplified manual ](https://www.kimo-instruments.com/sites/default/files/files/QSG_Si-PRO-U-W_Si-PRO-U-I-100-H-Si-ACC-ETP_24-01-25.pdf) 

 

       High accuracy and long-term stability 

 

       VHP resistant (Vaporized hydrogen peroxide) 

 

       Easy to install - deatachable probe cable 

 

       Enables the calculation of psychrometric values 

 

 

 

 


 Product info   #### Measure details

- Units
    
     
    
    °Ctf, °F, °Ftf, °C, % RH, °Ctw, °Ctd, °Ftd, °Ftw, g/m³, g/kg, kj/kg, °Ftd
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Measuring ranges

- Pt100 temperature
    
     
    
    -20.00 °C ... 80.00 °C
- Pt100 temperature
    
     
    
    -4.00 °F ... 176.00 °F
- Relative humidity
    
     
    
    0.00 % RH ... 100.00 % RH
- Wet temperature (calculated parameter)
    
     
    
    -50.00 °Ctw ... 100.00 °Ctw
- Wet temperature (calculated parameter)
    
     
    
    -58.00 °Ftw ... 212.00 °Ftw
- Dewpoint (calculated parameter)
    
     
    
    -50.00 °Ctd ... 100.00 °Ctd
- Dewpoint (calculated parameter)
    
     
    
    -58.00 °Ftd ... 212.00 °Ftd
- Frost point (calculated parameter)
    
     
    
    -50.00 °Ctf ... 100.00 °Ctf
- Frost point (calculated parameter)
    
     
    
    -58.00 °Ftf ... 212.00 °Ftf
- Absolute humidity (calculated parameter)
    
     
    
    0.00 g/m³ ... 1000.00 g/m³
- Enthalpy (calculated parameter)
    
     
    
    0.00 kj/kg ... 15000.00 kj/kg
- Mixing ratio (calculated parameter)
    
     
    
    0.00 g/kg ... 1000.00 g/kg
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

 



 



 



 



 



 



 



 



 

 

#### Technical details

- Parameters
    
     
    
    Absolute humidity
    
    Dew point
    
    Enthalpy
    
    Frost point
    
    Mixing Ratio
    
    Relative humidity
    
    Temperature
    
    Wet-bulb temperature
- Wireless connection
    
     
    
    No
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 



 Supplied with   1 adjustment certificate

 

 

 Accessories    [ ![Si-ACC-RVP](/sites/default/files/styles/small/public/images/Si-CAA-RVP.png.webp?itok=F3Bs22rS)

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

 

 

 Downloads   #### Documents

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

 





 Compliance