[![si-pm3](/sites/default/files/styles/product_image/public/images/pm3.png?itok=DHYYvoK-)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/pm3.png?itok=QsR_xwA9)

[![si-pm3](/sites/default/files/styles/thumbnail/public/images/APPLI-PM3-mmh2o-1_0.jpg?itok=Q797Zmqz)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/APPLI-PM3-mmh2o-1_0.jpg?itok=gBPNqxh6)

[![si-pm3](/sites/default/files/styles/thumbnail/public/images/Si-PM3-3.jpg?itok=3aeVzOPd)](https://www.kimo-instruments.com/sites/default/files/styles/max_1300x1300/public/images/Si-PM3-3.jpg?itok=kqU8NXE1)

 

 

 

 

The palm-sized Sauermann Si-PM3 digital differential pressure manometer easily measures pressure.



 [  Technical Data sheet ](https://www.kimo-instruments.com/sites/default/files/files/DS_Si-PM3_15-07-26_EN_2.pdf) [  User manual ](https://www.kimo-instruments.com/sites/default/files/files/UM_Si-PM3_15-07-26_EN_2.pdf) [  Simplified manual ](https://www.kimo-instruments.com/sites/default/files/files/QSG_HVACR-Portable-instruments_01-07-26_9.pdf) 

 

       Measuring range: -150 to +150 hPa (-60 to 60 inH2O) 

 

       Air velocity and airflow with Pitot tube (optional) 

 

       Backlit LCD screen 

 

       Magnetic backing for easy fixing & carrying bag 

 

 

 

 


 Product info   #### Measure details

- Units
    
     
    
    inH₂O, Pa, mbar, hPa, mmH₂O, psi
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Measuring ranges

- Pressure
    
     
    
    -150.00 hPa ... 150.00 hPa
- Airflow
    
     
    
    0.00 m³/h ... 9999.00 m³/h
- Air velocity
    
     
    
    2.00 m/s ... 80.00 m/s
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

 



 



 



 

 

#### Technical details

- Parameters
    
     
    
    Air velocity
    
    Airflow
    
    Differential pressure
- Displays
    
     
    
    2-line display
- IP Protection
    
     
    
    IP 40
- Battery life
    
     
    
    170 hours
- Standards
    
     
    
    RoHS II 2011/65/EU (EU)2015/863
    
    UKCA
    
    2012/19/UE DEEE
    
    2014/53/UE RED
- Bluetooth
    
     
    
    1
- Power supply
    
     
    
    3 alkaline batteries LR03 AAA 1.5 V
- Protective cover
    
     
    
    No
- Interchangeable module
    
     
    
    No
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Instrument Dimensions

- Length
    
     
    
    2 3/4 inches 
    
    70 mm
- Width
    
     
    
    1 5/16 inches 
    
    33 mm
- Height
    
     
    
    5 9/16 inches 
    
    141 mm
- Weight
    
     
    
    7 pounds 
    
    200 g
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Operating temperature

- Min
    
     
    
    0.00 °C
- Max
    
     
    
    50.00 °C
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 

#### Storage temperature

- Min
    
     
    
    -20.00 °C
- Max
    
     
    
    70.00 °C
 
 ![shadow](/themes/custom/kimo/images/divider-big.png) 

 



 Supplied with   2 clear tubes Ø4x6 mm, 1 m (39.37’’) length

1 Certificate of conformity

1 Quick Start Guide

3 alkaline batteries LR03 AAA 1.5 V

1 Carrying bag

 

 

 Software   [ ![Si-HVACR Measurement Mobile App](/sites/default/files/styles/small/public/images/Si-HVACR-VH3.jpg.webp?itok=TdPz12CK)

 Si-HVACR Measurement Mobile App](/en-AU/measuring-instruments/portable-instruments/software/si-hvacr-measurement-mobile-app)

 

 

 Videos   [![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/Rj03818VFCk.jpg.webp?itok=Mj7y_Tei)](/en-AU/videos/full-overview-kimo-sauermanns-new-easy-use-hvacr-instrument-range)

       

##  [Full overview of KIMO & Sauermann’s new easy-to-use HVACR Instrument Range ](/en-AU/videos/full-overview-kimo-sauermanns-new-easy-use-hvacr-instrument-range) 

 



[![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/RwlXR3yt4Yw.jpg.webp?itok=PqlkFBDm)](/en-AU/videos/si-pm3-draft-measurement-evaluate-draft-exit-combustion-boilers)

       

##  [Si-PM3: draft measurement to evaluate the draft at the exit of combustion boilers ](/en-AU/videos/si-pm3-draft-measurement-evaluate-draft-exit-combustion-boilers) 

 



[![](/sites/default/files/styles/video_ct_thumbnail/public/video_thumbnails/7TbWiN1prvc.jpg.webp?itok=FN2Y0sio)](/en-AU/videos/si-pm3-pressure-measurement-gas-inlet-valve-combustion-boiler)

       

##  [Si-PM3: pressure measurement of the gas inlet valve of a combustion boiler ](/en-AU/videos/si-pm3-pressure-measurement-gas-inlet-valve-combustion-boiler) 

 



 

 

 Downloads   #### Documents

 [    HVACR measuring instruments range](/sites/default/files/files/EN_67874-SIHVACR_06-2025_compressed_0_2.pdf) 





 Compliance