AZ 7788 Desktop Indoor Air Quality Monitor Carbon Dioxide Temperature Humidity Meter

Description

Product Specification
CO2 Measuring range :0~9999 ppm,(2001~9999 ppm out of scale range)
Temperature Measuring range :-10~60 C (14~140 F)
Relative humidity measuring range :0.1%~99.9%RH
Resolution :1ppm , 0.1 C/ F, 0.1%RH
CO2 accuracy :+/-50ppm +/-5% of reading( 0~2000ppm)
Other ranges accuracy are not specified
Temperature accuracy :+0.6 C/+0.9 F
Relative Humidity accuracy :+/-3%RH (at 25C, 10~90%RH) +5%RH( at 25C, others )
Warm-up time :30 seconds
CO2 response time :<2 minutes ( 90% step change)
Air temperature response time:<2 mins (90% step change)
Relative humidity respone time:<10 minutes ( 90% step change)
RELAY(1A 30VDC/0.5A 125VAC) : YES
LCD size :60×82(mm, HxW)
Operating condition:0~50C , 5~80% RH (avoid condensation)
Storage condition:-20~ 50C,5~90%RH(avoid condensation)
Power supply:5VDC adaptor (+10%), >=500mA
Meter size:120 x 80 mm (Diameter x Depth)
Weight:200g

Standard package
1*Meter
1*manual
1*5V universal adaptor
1*Gift paper box
Digital desktop CO2 measuring gives you a green day;15 degree tilt angle for easy to see and read;display real time clock and date
Warning carbon dioxide level from 1000-5000ppm;super large LCD display CO2 value (with good, normal,poor air quality indicator), year-monthdate , hour-minute , air temp. & relative humidity
Max. /Min. recall function,temperature unit is switchable;real time clock is adjustable,NDIR (non-dispersive infrared) waveguide technology
CO2 automatic background calibration, ABC;Long time drift compensation;Visible bright LED indicates power is on
Audible alarm warns CO2 air quality is poor ;Monitoring residential ,commercial and home air quality;CO2 alarm output drives relay to control ventilation system, such as fan or air conditioner