Datasheet

All mechanical dimensions are valid at 25°C ambient temperature, if not differently indicated.  All data except the mechanical dimensions only have information purposes and are not to be
understood as assured characteristics.  Technical changes without previous announcement as well as mistakes reserve.  The information on this data sheet was examined carefully and will be
accepted as correct: No liability in case of mistakes.  Load with extreme values during a longer period can affect the reliability.
Released 09/2011 Rights reserved for change in technical data!
HYGROCHIP 3/5
Humidity sensors
LabKit with USB-Interface
Hardware correct installation
Plug the HYT sensors into the sensor adapter as
shown in the illustration.
Please take care of the correct plug direction
and ensure that the pins are correctly inserted
into socket! Don't touch the sensor surface
while plugging in!
Sensor connection
Applicable for HYT 271:
Applicable for HYT 221:
Applicable for HYT 939:
Place the sensor as described above into the
adapter board and then connect it with the help of
connection leads provided with the PC-adapter.
Then connect the PC-Adapter through the USB-
cable to the PC or your Notebook.
Internal Data transfer
The communication between PC and measuring
probe takes place serially by means of a COM port
emulation. Therefore, it is very easily possible to
link the measurements to your own software.
(Programming knowledge presupposed).
For the USB UART FTDI 232 used, drivers are
available for Linux, MAC or even PDAs. Further
information is available on website of the
manufacturer www.ftdichip.com
The interface works on a data rate of 4800 Baud, 8
Data bits, No parity and one Stopbit. Further
information on data protocol can be downloaded
from our homepage www.hygrochip.com
.
Software PCLOG