CO2 Monitor Pack LAN/Wi-Fi

Code: 341
Not rated
€423,30 €512,19 incl. VAT
In stock (>5 pcs)

All-in-one pack for remote monitoring Air quality (CO2 300 – 40 000 ppm), Temperature (-0°C to + 50°C), and Humidity (0-95 %RH). Connected to your local LAN or WiFi network. A free or paid portal is available. Portal sends or displays alerts when the temperature or CO2 is too high. The recommended concentration of CO2 is max. 1500 ppm.

When the device is connected to the public internet, current sensor values + alerts are available from anywhere and can be displayed on mobile phones, tablets, notebooks... Even the free portal displays graphs and sends E-mail alerts/alarms when monitored values are too high or low. Portal will alert you also when an internet connection with a device is lost, or an external sensor is disconnected.  

Detailed information

Product detailed description

Mobile App is available for your mobile phone, even for the tablet display installed on the wall (in each classroom, for example).

The cloud-based portal is required to use the Pack to send alerts and access data from HW-group devices and connected sensors.

2 portal options by HW-group:

  • Free portal - HWg sensors & devices in the cloud, free service with email alerts up to 20 devices connected to one user account.

  • Paid portal - Monitoring and Alerting system in the cloud. PDF reports, SMS & Voice call alerts, graphs, multigraphs, and up to 2 years of data history. Paid as a one-year subscription plan.

Alert options (when every second matters):

  • Voice-Call alert (paid service)
  • SMS (standard text message (paid service)
  • E-mail alerts within few seconds since value out of safe-range (email can be repeated every 30 minutes if alarm still valid or delayed if values are still too high after 30 minutes)
  • Alarm escalation based on sensor value can alert another E-mail / mobile phone number if needed.
  • Visual or Audio Alerts: Local red light or alert on a tablet on the wall or even siren (paid service)
  • The alarm can be delayed, and an alert is sent 30 minutes after the value is still too high or too low.
  • Alert can trigger action on another connected device or system (ventilation, air-condition, etc. - add SD-2xOut to the system or integrate into 3rd party SW (SNMP / XML Open API)

Alerts can be triggered by:

  • Sensor value (out of Safe Range / Notice range).
  • The sensor disconnected from the device.
  • Device power failure.
  • The device is not found/disconnected from the Internet.

Sensor values can be displayed:

  • Web of the portal (compatible with mobile phones)
  • Mobile phone App (coming soon)
  • Android / iOS-based Tablet installed on the wall (showing selected sensor values only)
  • 3rd party SW (SNMP / XML Open API)


The device has to be connected to the public internet to one of SensDesk's technology-based portals.
(HWg-cloud / / other).

  • The device can be pre-configured. Just connect it to the power & LAN on the remote site.
  • Sends E-mail alerts when values are out of the set range
  • Displays current values on the mobile app (Wall installed tablet)
  • History / Graph (chart) with values (10 / 30 / 365 / 730 days)
  • Periodical PDF or CSV reports (paid service only)
  • Voice call and SMS alerts (paid service only)

Solution features:

  • Connectivity by LAN (Ethernet) or WiFi (External antenna possible)
  • External Air quality sensor (RJ11 3m)
    • CO2 (300 - 40 000 ppm)
    • Temperature (-0 °C to +50 °C)
    • Relative Humidity (0-95% RH)
  • Up to 4 sensor values (in total) measured by external Sensors can be connected to the device.
  • Included sensor (probe): CO2, Temperature, Humidity (3 sensor values)
  • External RJ11 sensors can be placed up to 60 meters from the main unit (RJ11 prolong cabling).
  • Power for SD-2x1Wire device from PoE / External power adaptor
  • International Wall plug power adaptor included (EU, UK, US power sockets included)
  • Solution extension possibilities:

 Solution Pack contains:

 Can be interesting for you:

  • If you do not have LAN/WiFi connectivity on the site, use our NB-IoT package with similar features and an internal battery.
  • Alert to any Alarm state can also be reported by switching ON external light/siren. Us the LAN/WiFi or NB-IoT device with relay output.

Additional parameters

Category: Solutions
Warranty: 2 years
Weight: 0.414 kg
Portal alerts: E-mail, SMS, Phone Call
Connectivity: LAN, Wi-Fi
Power: External 5V DC, PoE
Monitoring: Air Quality
Optional extensions: RJ11