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SCOPE OF DELIVERY 

1 x Air Quality Sensor   

1 x Stand  

1 x Micro-USB-cable 

1 x Plug-in power supply  

2 x Sticky Tapes 

1 x Quick Start Guide 

NOTE! Please check the scope of delivery for completeness and intactness. 

SAFTEY INSTRUCTIONS 

Saftey Instructions  

- The Air Quality Sensor is designed for use in buildings.

- Operate the Air Quality Sensor only as described in the user manual.

- The Air Quality Sensor should only be put to use in a dry and dust-free place, 

away from direct sunlight.

- Do not keep using the device when there is obvious damage.

- The Air Quality Sensor may not be rebuilt, modified or opened. 

- The Air quality Sensor is not to be used as a gas measuring instrument.

WARNING! RISK OF INJURY!

When children play with the thermostat or packaging, they might swallow small 

parts and suffocate.

Do not let children play with the thermostat or packaging.

PRODUCT DESCRIPTION 

By means of a complex algorithm, an air quality value based on CO

2

-equivalent is 

determined from a sum signal of all determined gases and is displayed as a clear 

traffic light according to a WHO-compliant scale. While a „very good room air“ 

(<600 ppm) is indicated by means of a green LED, a red LED warns, if a room needs 

to be ventilated urgently.  

In addition, the modern metal oxide sensor also measures the VOC value, 

interprets it and displays the value as a traffic light. VOC stands for the English 

term „volatile organic compounds“. They are gaseous or vaporous substances 

that contain carbon. Volatile organic compounds are found for example in cleaning 

products, disinfectants, care products (e.g. deodorant or perfume) and building 

materials (e.g. paints and varnishes).  

This only makes the product an „air quality sensor“ and signals poor air quality 

even where simple CO

2

-sensors fail. 

COMMISSIONING 

Connect the micro-USB-cable to the plug-in power supply and to the Air Quality 

Sensor and afterwards to a power outlet. For optimal performance please use the 

products which are part of the delivery scope. 

When the unit is switched on, the Air Quality Sensor is doing a self-test: 

- self-test: Both LED bars run simultaneously two times from the bottom to the top 

- sensor-check: each LED bar is blinking two times

- buzzer-test: 3 short clicks of the buzzer 

Please confirm at the end by pressing the button on the back of the device. 

NOTE:

 

Afterwards, the device needs approx. 15 minutes for self-calibration. During this 

time several alarm displays may occur. Please ignore and confirm them. After 

approx. 15 min. the device is ready for use.

Air Quality Sensor 

Quick Start Guide 

MEANING OF THE COLOURED LEDS

Colour

CO

2

 in ppm

VOC in ppb 

Air Quality Recommendations

dark 

red 

> 3000  

(Buzzer starts 

with 5 Hertz) 

> 2200

(Buzzer starts 

with 5 Hertz) 

unaccep-

table

It must be ventilated immediately. 

Use room only when unavoidable. 

bright 

red  

1800-3000 

(Buzzer starts 

with 2 Hertz)

1600-2200 

(Buzzer starts 

with 2 Hertz)

low

Increased ventilation is absolutely 

necessary. 

orange  1000-1800 

1000-1600 

medium

Ventilation is necessary. Check and 

improve ventilation behaviour.

yellow 

600-1000

500 - 1000

good 

No relevant concerns. Regular 

ventilation is recommended. 

green

0 - 600 

0 - 500 

very good 

No concerns. No action necessary. 

 

NOTE:

 By pressing the button on the back of the device, you can stop the acoustic 

signal. 

 

TECHNICAL SPECIFICATIONS 

Article 

Air Quality Sensor  

EAN

4260012712148

Article Number  

700209

Supply Voltage 

Plug-in power supply 

Sensor Type 

MOS VOC / CO2-eq

Dimensions  

68 x 68 x 17 mm

Weight 

48 g 

Degree of protection

IP20

Degree of pollution  

2

Technical modifications are subject to change. All descriptions for compatibility are without 
engagement. 

DISPOSAL 

From the date of implementation of European guidelines 2002/96/EC and 

2006/66/EC into national law, the following applies: Electric and 

electronic devices may not be disposed of in house-hold waste. The 

consumer is obliged to return electric and electronic devices to the 

public collection points established for them or to the point of sale. 

Details are regulated by the respective national law. 

Dispose of Packaging:  

Dispose of the packaging sorted by type. Add paperboard and cardboard 

to the waste paper, foils to the recyclables collection. 

The symbols on the product, the instruction manual or the packaging refer 

to these regulations. By recycling, material utilisation or other forms of utilisation 

of old devices, you make an important contribuation to the protection of our 

environement. 

Delaration of conformity: 

Hereby, Eurotronic Techology GmbH declares that the Air Quality Sensor is 

in compliance with Directive 2014/53/EU. The full text of the EU declaration 

of confirmity is available at the following internet address: https://eurotronic.org.

org/service/downloads/. 

Warranty 

The 24-months warranty period begins at the day of purchase. Please keep the 

receipt as evidence of purchase. During the warranty period, defective products 

may be sent to your dealer or the address below. Please ensure sufficient postage 

is paid. A new or repaired device will then be sent to you free of charge. No new 

warranty period begins with the repair or replacement of the device. 

After the warranty period has expired, you also have the option of sending the 

defective device to the specified address with sufficient postage for repair. 

Repairs after the warranty period have expired are subject to a charge. Your 

statutory rights are not limited by this warranty. 

Contact Information Customer Service: 

Eurotronic Technology GmbH

 

Südweg 1 | 36396 Steinau-Ulmbach | Germany

Telephone: +49 (0) 6667 91847-0 

E-Mail: [email protected] | Internet: www.eurotronic.org

Made in Germany

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