A Single Module - 3 Measurands
The EE895 module measures not only the CO2 concentration up to 10,000 ppm (1% CO2) but also the temperature (T) and ambient pressure (p). The pressure and temperature compensation with on-board sensors minimizes the impact of the environment onto the CO2 measurement. As a result, the EE895 offers a particularly high CO2 measurement accuracy, independent of altitude or changing ambient conditions.
Long-Term Stable CO2 Measuring Principle
The dual wavelength NDIR CO2 measuring principle with auto-calibration ensures excellent long-term stability, as it automatically compensates for aging effects and is particularly resistant to contamination. The multi-point CO2 and temperature factory adjustment procedure leads to excellent CO2 measurement accuracy over the entire T working range from -40...60 °C (-40...140 °F).
Easy Design-In
The I²C and UART interfaces, the very small dimensions of only 35 mm x 15 mm x 7 mm (1.38" x 0.6" x 0.27") and various mounting options facilitate the design-in of the sensor module.
Flexibly Configurable
The EE895 module can be configured via the digital interface. The CO2 measurement interval can be set according to the application and the power requirements.
EE895 Evaluation Board for Test Purposes
The evaluation board, which is available as an accessory, allows easy testing of the EE895 with a view to the intended application. It is connected to the PC via a USB cable. Using the sensor evaluation software, which is available free of charge, the measurement data can be visualised and logged. Users have the option to set the EE895's measurement interval, and the desired measurement units for temperature and pressure.
Design Data and Support Literature
The electronic design data of the EE895 is available free of charge from the download area of the E+E website. This means that the 3D data from the sensing module can be quickly and easily transferred to a CAD design tool. Using the I²C interface, the EE895 module can be connected to various single board computers such as the Arduino or Raspberry Pi. Step-by-step instructions (available from the download area) help you program and integrate the EE895 into your application.
Typical Applications
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For CO2 Traffic Lights and Indoor Climate Sensors
The EE895 sensing module is perfect for use in CO2 traffic lights and other measuring devices for indoor climate monitoring.
For example, the sensing module provides precise and long-term stable CO2 measurements in the CO2 Guard 10 by E+E Elektronik or in the StreamLine CO2 and air quality sensors.
The small dimensions allow for easy integration of the module even in tight spaces. Its low power consumption is particularly advantageous for battery-powered devices.
0...2000 ppm
0...5000 ppm
0...10000 ppm
±(50 ppm +2% of mv)
±(50 ppm +3% of mv)
±(100 ppm +5% of mv)
700…1100 mbar (10.15...15.95 psi)
Measuring range Pressuretyp. ± 2 mbar
Accuracy Pressure at 25 °C (77 °C)-40…60 °C (-40...140 °F)
Measuring range Temperaturetyp. ± 0.5 °C (± 0.9 °F)
Accuracy Temperature at 25 °C (77 °F)I²C or UART
Digital interface3.3 - 5V DC
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Datasheet |
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EE895 Datasheet(624.94 kb) |
Evaluation Board EE895 Datasheet(1291.16 kb) |
Manual |
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EE895 Manual(2030.11 kb) |
EE895 Handling Instructions(613.22 kb) |
EE895 Eval Board Quick Guide(1754.97 kb) |
Software |
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DSW10 Diagnosis Software(5793.96 kb) |
Support literature |
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EE895 Quick Start Guide for Arduino Uno (I2C)(452.44 kb) |
EE895 Quick Start Guide for RaspberryPi (I2C)(349.05 kb) |
Electronic Design Data |
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EE895 Step-File(113.9 kb) |
EE895 SchLib-File(1.77 kb) |
EE895 PcbLib-File(90.51 kb) |
EU Declaration of Conformity |
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EE895 DoC-CE(53.96 kb) |
Open Source |
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Codes for EE895 on GitHub(17.57 kb) |