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·         Simultaneously display of Carbon Monoxide (CO), Carbon Dioxide (CO2), HCHO (CH2O/ Formaldehyde) and Particulate Matter (PM) 2.5 concentrations, Relative Humidity, Temperature and Date & Time

·         Dual-purpose: Wallmount & Desktop

·         Factory calibrated with standard Ethanol gas

·         Accuracy of particle size measurement could be affected by light or flow rate, K factor correction is adjustable

·         Designed with reliable electrochemical sensor for CO & HCHO, NDIR (non-dispersive infrared) sensor for CO2 and IRED* principle optical dust sensor

·         Visible bright LED (green-good; yellow-fair; red-poor) to indicate the concentration level

·         Audible Alarm

·         Wifi datalogger

·         Complete with AC/DC adaptor

·         Dimensions: 300x210x45mm

·         Optional:USB Datalogger/ Relay

·         CO/ 0 to 999ppm

·         CO2/ 0 to 9,999ppm

·         HCHO/ 0.00 to 5.00ppm

·         PM2.5/ 0~500 ug/m3

·         K-factor change/ From -50~ 50ug/m3

·         Temperature/ 0 to 50°C (32 to 122°F)

·         Relative Humidity/ 0 to 99.9%RH

·         *International Conferences and Seminars Organization (IRED)