Datasheet
Datasheet EK-H4
www.sensirion.com Version 4 – July 2015 6/8
In Order to open the update window go to the Help Tab
and click on “Update Firmware EK-H4 box”.
To update the firmware perform the following steps:
1. Check the firmware version of the EK-H4 box
2. Download EK-H4 firmware (.hex file) from
Sensirion’s Webpage (sensirion.com/ek-h4) and
store on the desktop
3. Power the EK-H4 with the external power supply
4. Disconnect the EK-H4 that you want to update
(go to the connection tab and click on Disconnect,
then choose the correct Com Port )
5. Open the Update window. Go to the Help Tab
and click on “Update Firmware EK-H4 box”.
6. Choose the correct com Port of the EK-H4 which
connects to the EK-H4 that you want to update
7. Select the new EK-H4 firmware (.hex-File) with
the „Browse” Button from the desktop
8. Press “Update”
Error handing: In the case that the EK-H4 was not
disconnected prior to opening the update window an error
message will be shown, when the com port is selected
(step 6). If this happens close the Update window and
perform step 4 or unplug the USB cable and plug it in
again.
4.11 Firmware compatibility
Firmware 2.4 and higher operates with Viewer
3.0
Firmware 2.3 and lower can be operated with the
Viewer V2
4.12 Sensor and EK-H4 Properties
Information about the sensors such as the serial number is
shown behind each sensor in the Measurement Data
Section.
4.13 License Information
The EK-H4 viewer software uses the NPlot charting
library, to which the following license applies:
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