ShenzhenYijiajie Electronic Co., Ltd.
| Payment Terms | L/C, D/A, D/P, T/T, , |
| Resolution | 1 ppm |
| Preheating time | ~3 minutes |
| Gas detection | CO2 |
| Power consumption Average | < 60 mA |
| Delivery Time | 5-8 days |
| Accuracy | ±(50 ppm + 3% FS) at 25℃ |
| Packaging Details | Box pack |
| Response time (T90) | ≤ 60 seconds |
| Peak approximately | 150 mA |
| Supply Ability | 1500 |
| Working voltage | DC 5V |
| Model Number | GR-S/CO2 GR-S CO2 |
| Place of Origin | CHINA |
| Brand Name | YJJ |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, , | Resolution | 1 ppm |
| Preheating time | ~3 minutes | Gas detection | CO2 |
| Power consumption Average | < 60 mA | Delivery Time | 5-8 days |
| Accuracy | ±(50 ppm + 3% FS) at 25℃ | Packaging Details | Box pack |
| Response time (T90) | ≤ 60 seconds | Peak approximately | 150 mA |
| Supply Ability | 1500 | Working voltage | DC 5V |
| Model Number | GR-S/CO2 GR-S CO2 | Place of Origin | CHINA |
| Brand Name | YJJ | ||
| High Light | GR-S CO2 NDIR sensor ，low-cost CO2 monitoring module ，industrial CO2 gas sensor | ||
Product Description:
YJJ GR-S/CO2 GR-S CO2 NDIR Infrared Carbon Dioxide Sensor Module Low-Cost CO2 Monitoring Industrial Applications
Features:
I. Core Parameters (Standard Specifications) Table
Parameter item Typical value Explanation
Detected gas CO₂ (carbon dioxide) Unique specific detection
Detection principle NDIR non-dispersive infrared 4.26μm characteristic absorption, long lifespan, non-poisonous Zhengzhou Weisheng Electronic Technology Co., Ltd.
Measurement range 0 - 5000 ppm Covers indoor / agricultural / industrial common scenarios
Accuracy ±(50 ppm + 3% FS) at 25℃ standard condition
Resolution 1 ppm Digital output
Response time (T90) ≤ 60 seconds Common infrared detection speed
Preheating time ~ 3 minutes Precise after light source stabilizes
Working voltage DC 5V Single power supply
Power consumption average < 60 mA Peak approximately 150 mA
Output interface UART (TTL) / PWM Common 9600 baud rate, easy to connect to microcontroller
Operating temperature 0 - 50℃ Suitable for indoor / industrial environments
Operating humidity 0 - 95% RH (no condensation) Resistant to water vapor interference
Life > 5 years Advantages of NDIR: No consumables, long lifespan Zhengzhou Weisheng Electronic Technology Co., Ltd.
Size approximately 32×22×10 mm Small PCB module
II. Working principle
NDIR infrared absorption: Light source → gas chamber → filter → detector. CO₂ absorbs 4.26μm infrared light, light intensity attenuation is proportional to concentration Zhengzhou Weisheng Electronic Technology Co., Ltd.
Built-in temperature compensation: Automatically corrects temperature drift, long-term stability.
Digital output: Built-in MCU processing, outputs concentration value (ppm).
III. Main applications
Location: General CO₂ monitoring, cost-effective choice
Indoor air quality (IAQ)
Household / vehicle CO₂ detector
Risk control for offices, schools, shopping malls
Smart home, fresh air system, air conditioning linkage Intelligent Agriculture
Greenhouse CO₂ fertilization control
Monitoring of cultivation environment for edible fungi and flowers
Industry and safety
CO₂ monitoring in factories, warehouses, and underground garages
Cold chain, livestock breeding, fermentation process
Equipment integration
Portable detectors, environmental monitoring nodes
HVAC, air purifiers, multi-in合一 IAQ equipment
Specifications:
| Measurement range | 0-5000 ppm |
| Accuracy | ±(50 ppm + 3% FS) at 25℃ |
| Resolution | 1 ppm |
| Response time (T90) | Response time (T90) |
| Preheating time | 3 minutes |
Company Details
Business Type:
Manufacturer,Trading Company
Year Established:
2006
Total Annual:
900000-1000000
Employee Number:
50~80
Ecer Certification：
Verified Supplier
Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph... Yijiajie Electronics is a full range of silicon pressure sensors from the United States, FREESCALE/, GE, MEAS, SMI, and a full range of sensing and control products from the United States pressure, temperature and humidity, gas flow, current, Hall effect, etc., Japan HAMAMATSU flame, UV sensors, ph...
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