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D-400 SeriesCO₂ Dual Sensor Module
D-400_Blue
D-400 is the smallest Dual CO2 sensor module in the world. Its Persistent Stability and Temperature Effect Resistance are much favored in warehouse, greenhouse, hospitals etc. besides the small size and consistent accuracy through the life cycle.
D-400 DATASHEET D-400-3V DATASHEET
D-400 D-400-3V
Sensing Method NDIR (Non-dispersive Infrared) / Dual Type
Dimensions 50mm×69mm×26mm (30g)
CO₂ Measurement range 0 ~ 2,000 (3,000/5,000/10,000ppm, 2%/3%/5% models are available)
Accuracy ± 30ppm ± 3% of reading (±300ppm ±3% of reading - 2%/3%/5% models)
Operating Temperature range -20 ~ 50℃
Storage Temperature -30℃ to 70℃
Operating Humidity range 0 to 95% RH (Non-condensing)
Input Power 4.75V ~ 12V 3.2V ~ 3.5V
Power consumption Normal : 20㎃ / Max : 270㎃(5V), 273mA(12V) Normal : 20㎃ / Max : 262㎃
Response Time (90%) 150 Sec / 90 Sec
Sampling Interval 3 sec
Output UART- 38,400BPS, 8bit, No parity, 1 stop bit TTL Level
I2C => Slave
PWM (Option)
Analog Voltage (Option) => VDC 0.5 to 4.5V (linear output) Analog Voltage (Option) => VDC 0.5 to 3.0V (linear output)
Products Option List
D-400G(-3V) Resistance up to 99% Humidity is added on S-300, for Application of Green House

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