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EE33 Humidity / Temperature Sensor for High Humidity and Chemical Applications
1 General
This user manual serves for ensuring proper handling and optimal functioning of the device. The user
manual shall be read before commissioning the equipment and it shall be provided to all staff involved
in transport, installation, operation, maintenance and repair. The user manual may not be used for the
purposes of competition without the written consent of E+E Elektronik and may not be forwarded to
third parties. Copies may be made for internal purposes. All information, technical data and diagrams
included in these instructions are based on the information available at the time of writing.
Please find this document and further product information on our website at
Disclaimer
The manufacturer or his authorized agent can be only be held liable in case of willful or gross
negligence. In any case, the scope of liability is limited to the corresponding amount of the order issued
to the manufacturer. The manufacturer assumes no liability for damages incurred due to failure to
comply with the applicable regulations, operating instructions or the specified operating conditions.
Consequential damages are excluded from the liability.
1.1 Explanation of Symbols
This symbol indicates safety information.
It is essential that all safety information is strictly observed. Failure to comply with this information can
lead to personal injuries or damage to property. E+E Elektronik assumes no liability if this happens.
This symbol indicates instructions.
The instructions shall be observed in order to reach optimal performance of the device.
1.2 Safety Instructions
1.2.1 General Safety Instructions
Avoid any unnecessary mechanical stress and inappropriate use.
When replacing the filter cap make sure not to touch the sensing elements.
The device must be operated with the filter cap on at all times.
For sensor cleaning and filter cap replacement please see “Cleaning Instructions” at www.epluse.com.
Installation, electrical connection, maintenance and commissioning shall be performed by qualified
personnel only.
The devices are designed for the operation with class III supply (EU) and class 2 supply (NA).
The power supply must be switched off before opening the housing.
Use the EE33 only as intended and observe all
t
echnical specifications.
Do not use EE33 in explosive atmosphere
This device is not appropriate for safety, emergency stop or other critical applications where device
malfunction or failure could cause injury to human beings.
1.2.2 Alarm Module with Voltages >50V (Option AM2)
The optional alarm module is isolated from the low-voltage side of the EE33 by a special partition;
this must remain fitted at all times in the back section of the enclosure.
The EE33 enclosure must be tightly closed during operation. An open enclosure corresponds to IP00
and exposes components carrying dangerous voltage. Any work (maintenance for instance) on the
device may be performed by qualified staff only.
1.2.3 Integrated power supply 100 - 240 V AC (Option AM3)
The EE33 enclosure must be tightly closed during operation. An open enclosure corresponds to IP00
and exposes components carrying dangerous voltage. Any work (maintenance for instance) on the
device may be performed by qualified staff only.
