Co2 Controller

We are offering co2 controller.  special used to real-time detect co2 level in air ducts.
 ndir infrared co2 sensor inside with self-calibration and up to 15 years lifetime
 high accuracy humidity and temperature detection&display optional
 with lcd or without lcd selectable
 providing one dry contact output with presetting the setpoint
 modbus rs485 communication interface optional
 wireless of zigbee protocol optional
 smart structure with easier wire connection through the external pipe
 provide four types: wall mounted, duct mounted, split and plug & play
 for plug & play type, special design a photosensor inside to detect
day/night and change the working mode of the co2 generator
 for duct probe type, special the 180° rotatable fastness position of the
probe can be used in two directions of air flow.
 replaceable filter in the probe and extendable probe length
 design the convenient and easier buttons for operation
 ce-approval
specifications
co2 sensor non-dispersive infrared detector (ndir)
measurement range 0～2,000ppm (default)
0～5,000ppm (preset)
accuracy ±40ppm + 3% of reading @22℃(72℉)
stability.