testo 160 IAQ - WiFi data logger with display and integrated sensors for temperature, humidity, CO2

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If there are a lot of people in a room, the air quality deteriorates. Reliable monitoring is particularly important, because indoor air quality is linked to our well-being. The WiFi data logger testo 160 IAQ is ideal for monitoring indoor air quality in facility management.

  • Ideal for monitoring indoor air quality (IAQ)

  • Blends in perfectly with the surroundings thanks to an optional, customizable deco-cover

  • Simple to install, integrate and operate – particularly user-friendly with air quality displayed in the form of a traffic light system

  • Perfectly networked: data storage in the Testo Cloud, real-time alarm via email or SMS (optional in conjunction with an Advanced licence)


Product Description

The following values can be read off the logger display:

With mains operation: CO<sub>2</sub> concentration and alternately temperature and humidity. The atmospheric pressure values are not shown on the logger display, however they are available in the Cloud.

In battery mode: CO<sub>2</sub> concentration and temperature. The data for humidity are not displayed – because that ensures longer battery lives.

All measurement data are stored by the data logger directly in the Testo Cloud via your WLAN. This means you can also document and analyze your measurement data over a longer period of time.

If limit values are exceeded, you will be notified immediately by e-mail or (optionally) SMS thanks to the alarm function. You can access all measuring values and analysis functions anytime and anywhere with your internet-capable smartphone, tablet or PC.

The WiFi data logger testo 160 IAQ – adaptable and inconspicuous

The small dimensions of the data logger testo 160 IAQ (82 x 117 x 32 mm) and its simple design enable it to be easily positioned in any room. Especially for museums and archives, it is particularly important that the focus is always on your exhibits. In conjunction with the optionally available customizable deco-cover (see accessories), the WiFi data logger can be perfectly adapted to blend in with its surroundings and therefore remains particularly inconspicuous.

Perfectly networked: with the WiFi data logger testo 160 IAQ and the Testo Cloud

You must first register at www.saveris.net to have access to the Testo Cloud. Installing the system is simple and can be carried out either via a browser or with the testo Saveris 2 App for IOS and Android.

Depending on the desired range of functions, you have a choice between the free Basic and more extensive Advanced functionality when using the Testo Cloud. You can use the Advanced functionality, for example to create up to 10 users per account or set an SMS alarm if limit values are exceeded.



Delivery Scope

  • WiFi data logger testo 160 IAQ
  • Including free Cloud access (Basic functionality)
  • USB mains unit
  • USB interface cable
  • Wall bracket, including tool and adhesive strip
  • QR code sticker
  • Calibration protocol
  • Short instructions
Humidity - Capacitive
Measuring range 0 to 100 %RH (non-condensing)
Accuracy ±2.0 %RH at +25 °C and 20 to 80 %RH
±3.0 %RH at +25 °C and < 20 and > 80 %RH
±1.0 %RH hysteresis
±1.0 %RH / year drift
Resolution 0.1 %RH


Absolute Pressure
Measuring range 600 to 1100 mbar
Accuracy ±3 mbar at +22 °C
Resolution 1 mbar


Ambient CO?
Measuring range 0 to 5000 ppm
Ambient humidity: 0 to 99 %RH (non-condensing)
Accuracy ±(50 ppm + 3 % of mv) at 25 °C
Without external power supply:
±(100 ppm + 3 % of mv) at 25 °C
Resolution 1 ppm


Ambient CO?
Temperature 0 to +50 °C
±0.5 °C
Resolution 0.1 °C


General Technical Data
Weight 269 g
117 x 82 x 32 mm ((LxWxH))
Operating temperature 0 to +50 °C
 Product-/housing material PC - ABS
Protection class IP20
Product colour white
Measuring rate Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
Communication rate Dependent on Cloud licence; Basic: 15 min … 24 h / Advanced: 1 min … 24 h
WLAN Connectivity supported wireless LAN standards: IEEE 802.11 b/g/n and IEEE 802.1X; Possible encryption methods: WPA2 Enterprise: EAP-TLS, EAP-TTLS-TLS, EAP-TTLS-MSCHAPv2, EAP-TTLS-PSK, EAP-PEAP0-TLS, EAP-PEAP0-MSCHAPv2, EAP-PEAP0-PSK, EAP-PEAP1-TLS, EAP-PEAP1-MSCHAPv2, EAP-PEAP1-PSK, WPA Personal, WPA2 (AES), WPA (TKIP), WEP
Alarm function LED (traffic light function: red, yellow, green)
Battery life 1 year
Display type LCD
Power supply
4 x AA batteries 1.5 V, alternatively mains unit via USB connection
Interface USB
Radio range 100 m
Memory 32,000 Measuring values / Sum of all channels
Storage temperature

0 to +50 °C
Dimension display 55 x 42 mm

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