HCHO gas sensor CB-HCHO-V4

HCHO gas sensor
HCHO gas sensor
HCHO gas sensor
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Gas type
electrochemical, semiconductor
Other characteristics
with temperature sensor, with humidity sensor
Measuring range (ppm)

Max.: 10 unit

Min.: 0 unit


CB-HCHO-V4 is Cubic fourth generation formaldehyde gas sensor with electrochemical principle. It adopts a dual-channel structure design and unique electrolyte packaging technology for anti-interference. Through mathematical algorithms and scientific calibration, it can simultaneously output formaldehyde and TVOC. With built-in digital temperature and humidity sensor combined with intelligent algorithms, the concentration measurement is more accurate. Features ▪ High sensitivity up to 1ppb ▪ HCHO, VOC in-one design ▪ Full range temperature and humidity compensation ▪ Unique dual-channel design, good anti-interference ▪ Multiple communication methods:URAT、IIC、PWM ▪ Lifetime can reach 3 years (in air) SPECIFICATIONS Working principle Electrochemical >0.1ppm:±25% reading(Reference instrument: Gaseraone,25±2℃,50±10%RH) Resolution HCHO: 1ppb VOC: 0.01ppm TVOC: 0.01ppm Response time T90 50s(@25±2℃,50±10%RH) Working condition 0~40℃;15~95%RH(Non-condensing) Storage condition -20~50℃;0~95%RH(Non-condensing) Working voltage DC (+3. 5V ~ +5.5V) Working current <15mA Signal Output 1、UART_TTL(3.3V) 2、IIC(Reserved) 3、PWM(Reserved) Dimension W23*H32*D7 Lifetime 3 years (@0.1ppm Formaldehyde concentration)


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