Air quality monitoring air quality testing module intelligent modules are sometimes other appearance

Custom processing: Brand: shinefan Model: AQM-300 Type: Gas Sensitive Materials: Ceramic materials, physical properties: semiconductor materials, crystal structure: Polycrystalline Production process: ceramic output signal: Numeric Protection class: 20 Linearity: 0 (% FS ) Hysteresis: 0 (% FS) Repeatability: 0 (% FS) Sensitivity: 0.1 Drift: 0 Resolution: 0 Profile AQM-300 series of air quality module has sophisticated indirectly heated structure broad spectrum of semiconductor gas sensor AQS501 . The sensor consists of a ceramic heater coated with nanoscale semiconductor material doped SnO2 and appropriate trace element composition, formaldehyde, benzene, carbon monoxide, ammonia, hydrogen, alcohol, cigarette smoke and other volatile organic gases with high sensitivity. Module is aging, commissioning, calibration calibration, with good consistency and high sensitivity. Features high sensitivity applications ★ ★ ★ air purifier excellent long-term stability of the air ventilation system ★ ★ new factory for calibration ★ ★ intelligent software integrated ceiling temperature and humidity compensation ★ ★ air quality monitor low power consumption, long life ★ high cost ventilator ★ ★ air conditioning Specifications Module Model AQM-300C sensor AQS501 air quality sensor to detect gas formaldehyde, benzene, carbon monoxide, hydrogen, alcohol, ammonia, cigarette smoke and other physical interfaces XH2.54-4 vertical socket output data 0-3 contamination signal Operating voltage 5.0 ± 0.2VDC Working Current ≤80mA warm-up time of 2 minutes Response time ≤20 seconds ≤30 seconds Recovery time Operating temperature 0 ~ 50 ℃ Humidity ≤95% RH Storage Temperature -20 ~ 60 ℃ Storage humidity ≤60% RH Dimensions 24 × 20 × 16mm (L × W × H) Weight Approximately 20 g Sensitivity 0.5ppm life ≥ 10 years of output signal interface port is defined function name contamination level A output B output of polluting gases concentration 1 GND Enter the positive power supply terminal 0 0V 0V ≤0.5ppm 2 5V input source negative 1 0V + 5V 0.5-1.5ppm 3 A output signal A 2 + 5V 0V 1.5-3.0ppm 4 B output signal B 3 + 5V + 5V ≥3.0ppm Caution * Use warm up for the initial power more than five minutes * Do not use this module to systems that involve the safety of the module in * Do not expose it to high concentrations of organic gas in * Do not mount modules Strong convection environment under