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D-300 SeriesCO₂ Dual Sensor Module
D-300
D-300 Series is the smallest Dual CO2 sensor module in the world. Its Persistent Stability and Temperature Effect Resistance are welcomed as HVAC in warehouse, greenhouse, hospitals etc. D-300(LG)-3V is much favored by customers whose application needs 3.3Voltage input and sleep mode support so on.
D-300 DATASHEET D-300-3V DATASHEET
D-300 D-300-3V
Sensing Method NDIR (Non-dispersive Infrared) / Dual Type
Dimensions 33mm×33mm×13.1mm (10g)
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 5.0V±5% 3.2V ~ 3.6V
Power consumption Normal:25㎃ / Max. 250㎃ / Sleep. 0.5㎃ Normal : 12㎃ / Max : 180㎃ / Sleep : 0.3㎃
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-300L(-3V) (LowPower) Sleep mode is added on D-300 for Low power, which consume < 0.5mA
D-300G(-3V) (99%Humidity) Resistance up to 99% Humidity is added on D-300, for Application of Green House
D-300LG(-3V) Sleep mode + 99% Humidity

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