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CO2 sensor module ELT Sensor - S-300

• Non-Dispersive Infrared (NDIR) technology used to measure CO₂levels.
• Pre-calibrated
• Available outputs : TTL-UART, I2C, ALARM, (PWM/Analog Voltage option)
• Gold-plated sensor provides long-term calibration stability.
• Installed re-calibration function

Model Number: S-300
Data Sheet:

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Product Specification

S-300 ELT Sensor General:

S-300 series is one of world’s smallest NDIR CO2 sensor module, of which persistent Stability and Temperature effect resistance besides various outputs are much favored by customers in stocks raising, greenhouse, HVAC, scientific projects, etc.

S-300 ELT Sensor Features:

• Non-Dispersive Infrared (NDIR) technology used to measure CO₂levels.

• Pre-calibrated

• Available outputs : TTL-UART, I2C, ALARM, (PWM/Analog Voltage option)

• Gold-plated sensor provides long-term calibration stability.

• Installed re-calibration function

• ACDL (Periodical Automatic Calibration) and MCDL (Non-Periodical Manual Calibration) are available

• ROHS Directive- 2011/65/EU,[EN50581 : 2012,IEC 62321-3-1 : 2013].

• Size : 33mmx33mmx13.1mm

• Weight : 10 grams

S-300 ELT Sensor Specifications:

	S-300
Sensing Method	NDIR (Non-dispersive Infrared)
Dimensions	33mm×33mm×13.1mm (10g)
Measurement Range	0 ~ 2,000ppm (3,000/5,000/10,000ppm, 2%/3%/5%/7% models are available)
Accuracy	± 30ppm ± 3% of reading (±300ppm ±3% of reading – 2%/3%/5%/7% models)
Operating Temperature Range	-10℃ ~ 60℃
Operating Temperature Range	-30℃ ~ 70℃
Operating Humidity Range	0 ~ 95% RH (Non-condensing condition)
Input Power	5V ± 5%
Power Consumption	Normal : 19㎃ / Max : 240㎃ / Sleep : 0.5㎃
Response Time	60 Seconds (1/e)
Sampling Interval	3 Seconds
Output	UART- 38,400BPS, 8bit, No parity, 1 stop bit TTL Level I2C => Slave PWM(Option),
Output	Analog Voltage (Option) => VDC 0.5 to 4.5V (linear output)