This is the flagship CO2 sensor from Swedish company Senseair. As a first hand dealer First Byte can guarantee the quality of these sensors and we assure you that we have full traceability of each and every one of the unit we sell.
400 to 2000 ppm (400 - 50 000 ppm is also available)
Peak 300mA, avarage 30mA
8.5 x 33.5 x 20 mm
UART communication (compatible with ESP Easy and other firmware flavors)
15 years life span
No burn-in needed, will stabilize after 8 days at worst depending on placement environment
Excellent quality assured by the tight relationship between Senseair and First Byte (located 30km from the factory).