The Efento 7868 wireless carbon dioxide (CO2) logger can measure gas concentration and transmit its values over a cellular network (Narrowband IoT). 

On top of the gas concentration, the logger also measures temperature, humidity and barometric pressure.


SKU 5906660327868




CO2 Sensor

400- 5000 ppm

Accuracy: ±(40 ppm + 5 % of reading)

Measurement interval: 1 minute to 10 days, configurable

Memory size: 40 000 measurements

Temperature Sensor

Temperature Measurement Range

Range: -35° to 70°C

Accuracy up to 0.25°C in the -20°C to
+70°C range and 0.5°C in the -35°C to -20°C range

Resolution: 0.1°C

Frequency of sampling:  1 minute to 10 days, configurable


Range: 0 to 100% RH,

Accuracy: 4% in the range of 0 to 80% and
7% in the range of 81 to 99%

Pressure Sensor

Range: 300 to 1100 hPa,

Absolute accuracy +/- 3 hPa at 0 to + 65°C, relative +/-
0.12 hPa at 0 to + 65°C, p = 800 – 900 hPa

Network connectivity:  Spark NB-IoT network

Power supply:

2 x 3.6V ER14505 replaceable LTC batteries


27 x 71 x 71 mm

Weight: 100 g

Installation: Mount with double sided adhesive tape

Available on IoT Bridge

Leveraging Microsoft Azure platform and Qrious, IoT Bridge is a central dashboard that lets you control, configure and get insights from your IoT devices.

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