MB-350 series are Indoor Air Quality Monitors which are much favored by public buildings such as schools, offices, hospitals let alone houses.
i. MB-350U : CO2, Temp.&Humid., USB port
ii. MB-350U-V : CO2, Temp.&Humid., USB port + VOCs
iii. MB-350U-C : CO2, Temp.&Humid., USB port + CO
iv. MB-350U-CV : CO2, Temp.&Humid., USB port + VOCs + CO
* Option : RS485-Modbus
General Performance
Operating Temperature : -0 ~ 50℃
Operating Humidity : 0 ~ 95% RH (Non-condensing)
Storage Temperature : -30℃ ~ 70℃
Measurement
CO₂
Sensing Method : NDIR (Non-dispersive Infrared)
Measurement Range : 0 ~ 9,999ppm
Accuracy : ±30ppm ±3% of reading
CO
Sensing Method : Semiconductor Type
Measurement Range : 0 ~ 250ppm (0~100/300/500/1,000ppm is optional)
Accuracy : 0~100ppm - 10% F.S / 101~250ppm - 15% F.S.
Temp. & Humid.
Sensing Method : Semiconductor Type
Accuracy : (Temp.) ±3%℃ typical (-40℃ ~ 80℃)
(Humid.) ±2% RH typical (0~99%RH)
VOCs
Benzene, Toluene, Smoke, etc...
Output
LCD display, LED display, Alarm(Melody), USB port, RS485-Modbus(option)