AR820 High Quality Formaldehyde Gas Monitor Detector Formaldemeter Temperature Humidity Moisture Meter with Alarm for Home Use

Is a brand new and High Quality home use formaldehyde monitor that utilizes newly imported electrochemistry sensor technology and high precision operational amplifier. The product is capable of continuously converting the signal representing formaldehyde concentration into an electrical signal, which will be displayed by LCD after being processed by the built-in micro-processor. It protects you and your family from the harm of formaldehyde and guarantees your health by providing 24 hours of on-going real-time monitor of in-door formaldehyde concentration. An ideal tool to monitor the formaldehyde concentration at home, in office, inside a car or during interior decoration.

Features:
LCD Backlight: green
Transducer: Electrochemical sensor
Working Temperature Range: -10℃~40℃ / 32 ℉~104 ℉
Working Humidity Range: 10~90%RH
Detection of gas：Formaldehyde Gas(CH²O)
Measuring range：0~5PPM
The principle of sensor：Electrochemical principle, life for more than three year
Resolution ： 0.01PPM
Accuracy ：<±5% (F.S)
Response time ：<30 sec
Recovery time ：<50 sec±1%
To alarm：Acoustic,optical double alarm,can set thealarm value,an alarm sound is divided into 80dB
Operating temperature：-10~40℃
Temperature measuring ： √
Power: 3 * 1.5V AA Battery(not included)
USB power supply