4
User Manual EE872 Modular Probe for CO
2
, RH, T and p
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.
Intended use
The EE872 modular probe is intended for the measurement of CO
2
, relative humidity (RH), temperature
(T) and ambient pressure (p). Additionally, the device calculates the dew point temperature (Td). The
probe is designed for the use in harsh and demanding environments such as agriculture, life stock
barns, hatchers, incubators, green houses or outdoors. The use of the EE872 other than described in
this manual is not recommended.
The manufacturer cannot be held responsible for damages as a result of incorrect handling, installation
and maintenance of the device. Unauthorized modifications of the product lead to loss of all warranty
claims. The device may only be powered with safety extra-low voltage (SELV).
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.
1.1.1 General Safety Instructions
• The device and mainly the filter cap shall not be exposed to unnecessary mechanical stress.
• Installation, electrical connection, maintenance and commissioning shall be performed by
qualified personnel only.
• Use the EE872 only as intended and observe all technical specs. The device must be operated with
the filter cap on at all times.
• 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 Environmental Aspects
Products from E+E Elektronik® are developed and manufactured observing of all relevant requirements
with respect to environment protection. Please observe local regulations for the device disposal.
For disposal, the individual components of the device shall be separated according to local recycling
regulations. The electronics shall be disposed of correctly as electronics waste.
