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Model Number : KGD-SRH-200
Certification : CE
Place of Origin : CHINA
MOQ : 1PCS
Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability : 1000 Piece/Pieces per Week negotiable
Delivery Time : 5-8 work days
Packaging Details : each unit has individual box and all boxes are packed in standard packages or customers requests available
Detection Range : 0 to 20% by volume (vol)
Detection Accuracy : 0 to 5% vol: ≤ ±0.5% vol; 5 to 20% vol: ≤ ±10% of the reading
Resolution : 0.01%
Operating Temperature : -10℃~50℃
Storage Temperature : -40℃~70℃
Operating Humidity : 0 to 95% Relative Humidity (non-condensing)
Miniature Infrared Carbon Dioxide Sensor KGD-SRH-200
Product Introduction
The KGD-SRH-200 series of miniature infrared carbon dioxide sensors is a miniature gas sensor used for real-time measurement of gas concentration changes. It employs the Non-Dispersive Infrared (NDIR) detection technology and has remarkable characteristics and advantages such as a good signal-to-noise ratio, strong selectivity, immunity to cross-gas interference, high precision, excellent long-term stability, and a long lifespan. The sensor features a digital serial port output function, meeting various usage requirements in industrial sites, laboratory measurements, etc., and is widely applied in fields like environmental monitoring and healthcare.

Product Features
Technical Parameters
| Detection Range | 0 to 20% by volume (vol) |
| Detection Accuracy | 0 to 5% vol: ≤ ±0.5% vol; 5 to 20% vol: ≤ ±10% of the reading |
| Resolution | 0.01% |
| Operating Temperature | -10℃~50℃ |
| Storage Temperature | -40℃~70℃ |
| Operating Humidity | 0 to 95% Relative Humidity (non-condensing) |
| Warm-up Time | 10s |
| Response Time | <25s |
| Operating Voltage | 3.3~5.5VDC |
| Average Operating Current | <40mA |
| Serial Port Baud Rate | 9600bps |
| Product Dimensions | Φ20 x 16.6 millimeters (excluding pins) |
| Weight | 5 grams |
| Service Life | More than 10 years |
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Miniature Infrared Carbon Dioxide Sensor KGD-SRH-200 Images |