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SENSIRION SEK-SVM4x Quick Start Manual Download Page 11

© Copyright Sensirion AG, Switzerland

Confidential 

Measuring VOC/NO

x

You may notice that upon each restart, the VOC/NO

x

Index output will be 0 for 45 s. This blackout time is normal 

and required by the sensor and Gas Index Algorithm to deliver first reliable data.

Summary of Contents for SEK-SVM4x

Page 1: ...Copyright Sensirion AG Switzerland Confidential SEK SVM4x Quick Start Guide Version 1 0 St fa October 2021...

Page 2: ...and Play with ControlCenter 3 Measuring RHT 4 Measuring VOC 5 Triggering events 6 Changing the temperature offset expert mode 7 Set the tuning parameters for the VOC Index expert mode 8 Using the mem...

Page 3: ...yright Sensirion AG Switzerland Confidential Connecting your SVM41 to a computer USB UART cable included in SEK SVM4x SVM41 included in SEK SVM4x computer Windows Mac Linux USB port SEK SVM4x landing...

Page 4: ...zerland Confidential Get ControlCenter software Download the recent version of ControlCenter for Windows Mac or Linux and install it When launching the software you should see the SVM41 appearing in t...

Page 5: ...Copyright Sensirion AG Switzerland Confidential and start using it Now you are good to go for starting your first measurement by pressing the Start button...

Page 6: ...Copyright Sensirion AG Switzerland Confidential Measuring RHT The results of temperature left panels and humidity right panels are displayed under the tab RHT temperature relative humidity...

Page 7: ...Confidential Measuring RHT The upper panels show the values including temperature compensation This is used e g to compensate self heating effects by the PCB The temperature offset used for this comp...

Page 8: ...Copyright Sensirion AG Switzerland Confidential Measuring RHT The lower panels show the values without any compensation...

Page 9: ...d Confidential Measuring VOC The results of VOC are displayed under the tab VOC The upper panel shows the processed VOC Index while the lower panel visualizes the VOC raw signal i e resistance of the...

Page 10: ...d Confidential Measuring NOx The results of NOx are displayed under the tab NOx The upper panel shows the processed NOx Index while the lower panel visualizes the NOx raw signal i e resistance of the...

Page 11: ...rland Confidential Measuring VOC NOx You may notice that upon each restart the VOC NOx Index output will be 0 for 45 s This blackout time is normal and required by the sensor and Gas Index Algorithm t...

Page 12: ...ith water but do not let the SVM41 touch the water How does it affect the RH signal Hold the SVM41 between your closed hands How does it affect the T signal Hold a text marker next to the SVM41 prefer...

Page 13: ...fore putting the SVM41 into the glass This will release VOC gas How does it affect the VOC and the NOx signals Use a new glass and now ignite the flame remove the lighter and put the SVM41 into the gl...

Page 14: ...Switzerland Confidential As you are an expert now you may want to dig a little deeper First stop the measurement by clicking the Stop button 1 Subsequently press on the gear wheel next to the SVM41 i...

Page 15: ...g the Apply button 1 You can check if such compensation is needed by comparing the temperature raw value of the SVM41 with the temperature measured by an SHT on an FPCB e g from a SEK SHTxx when placi...

Page 16: ...information about it incl default values in case you forget Enter the values in the fields keeping them within Min and Max ranges 1 Feel free to play with the parameters you cannot destroy anything C...

Page 17: ...king the box next to Memory Feature enabled the VOC Algorithm remembers previous data and avoids the situation that the algorithm needs to learn from scratch Note this feature must only be used for sh...

Page 18: ...al Press the Done button 1 The configuration window will close automatically Subsequently press the Start button in the main window 2 All set parameters will now be applied for the new measurement Res...

Page 19: ...Copyright Sensirion AG Switzerland Confidential www sensirion com...

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