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SCD42-D-R2
This I2C-based CO2 sensor offers precise measurement and control capabilities for various industrial, commercial, and residential applications
SCD42-D-R2
This I2C-based CO2 sensor offers precise measurement and control capabilities for various industrial, commercial, and residential applications
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Manufacturer Part # : SCD42-D-R2
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Package/Case: LGA-20
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Brand: Sensirion Ag
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Product Categories : Gas Sensors
Quality Assurance
Quality Assurance
All parts procured from our supply chain network undergo a rigorous incoming inspection process. This meticulous inspection ensures that the parts received by our customers are authentic and meet the required standards. Additionally, we maintain detailed records of these inspections to ensure transparency and traceability throughout the supply chain.
Certification
We have successfully obtained various certification standards and have established our own professional testing laboratory. This ensures that every product we supply to our customers meets the highest quality standards. We adhere to strict testing protocols to maintain the consistency and accuracy of our products. To ensure that our products are original and genuine, we also collaborate with reputable third-party testing facilities to conduct rigorous quality testing. Our commitment to quality extends to meeting industry, legal, regulatory, and ISO 9001:2015 requirements.
Shipping & Payment
Shipping & Payment
About Shipping
We generally ship orders within a few business days through reliable shipping carriers such as FedEx, SF, UPS, or DHL. We also have support for other shipping methods. If you would like to inquire about specific shipping details or costs, please don't hesitate to reach out to us.
About Payment
We accept various payment methods, including VISA, MasterCard, UnionPay, Western Union, PayPal, and other channels.
If you have a specific payment method in mind or would like to inquire about rates and other details, please feel free to contact us.
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Service & Packaging
Service & Packaging
About After Sales Service
All Parts Extended Quality Guarantee
Initiate the application within 90 days from the shipment date.
Confirm the return or exchange with our staff.
Maintain the goods in their original condition as received.
Lastly, please note that the eligibility for return or exchange of goods is subject to an assessment of the actual condition of the returned items. We will evaluate the received goods before finalizing the return or exchange process. If you have any inquiries or require further assistance regarding returns or exchanges, please don't hesitate to contact us at [email protected]
About packaging
Regarding packaging, our products are carefully packed in anti-static bags to provide ESD anti-static protection. The outer packaging is durable with secure closure. We support various packaging methods such as Tape and Reel, Cut Tape, Tube, or Tray.
Example
Tape and Reel
Cut Tape
Tube or Tray
SCD42-D-R2 DataSheet
Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!
Details
Equipped with a digital I2C interface, the SCD42-D-R2 allows for seamless integration with microcontrollers and other devices, simplifying the overall design and implementation process. Its low power consumption of less than 60 mA during measurement, along with a 3.3V power supply requirement, makes it an energy-efficient solution for portable and battery-operated devices. Additionally, the module features a built-in temperature sensor for automatic temperature compensation, further enhancing the accuracy of its readings
Key Features
- Durable design for reliability
- High accuracy sensor for precise measurements
- Compact size for easy installation
- Long lifespan for extended use
- Low power consumption for efficiency
- Multiple output options for versatile compatibility
Application
- Indoor air quality monitoring in homes, offices, and public buildings
- HVAC systems for efficient ventilation control
- Agricultural applications for monitoring greenhouse gases
- Industrial applications for monitoring air pollution levels
- Medical applications for monitoring respiratory conditions
- Research and development for studying the effects of indoor air quality on human health
Specifications
The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.
| Product Category ! | Air Quality Sensors | RoHS | Details |
| Type | Gas Sensor | Sensor Type | Carbon Dioxide (CO2) |
| Maximum Operating Temperature ! | + 50 C | Minimum Operating Temperature | 0 C |
| Operating Supply Voltage ! | 3.3 V | Brand | Sensirion |
| Current Rating ! | 11 mA, 15 mA | Moisture Sensitive | Yes |
| Mounting Style | PCB Mount | Package / Case | LGA-20 |
| Product Type ! | Air Quality Sensors | Series | SCD4x |
| Factory Pack Quantity | 600 | Subcategory | Sensors |
| Supply Voltage - Max | 5.5 V | Supply Voltage - Min | 2.4 V |
| Part # Aliases | 3.000.634 |
FAQs
What is SCD42-D-R2?
The SCD42-D-R2 is a high-accuracy carbon dioxide (CO2) sensor module designed by Sensirion. It is ideal for applications requiring precise measurement of CO2 levels, such as indoor air quality monitoring, HVAC control, and industrial safety systems.
How Does SCD42-D-R2 Work?
The SCD42-D-R2 operates by using a non-dispersive infrared (NDIR) measurement principle to detect the CO2 concentration in the surrounding environment. It features a patented dual-channel sensor for automatic self-calibration, ensuring long-term stability and accuracy. The sensor provides digital and analog outputs for flexible interfacing with microcontrollers and systems.
How Many Pins does SCD42-D-R2 have and What are the Functions of the Pinout Configuration?
The SCD42-D-R2 is housed in a 10-pin LGA (Land Grid Array) package. The pinout configuration includes:
- VDD: Power supply pin.
- GND: Ground pin.
- SDA, SCL: I2C digital communication pins.
- RX, TX: UART digital communication pins.
- ANALOG_OUT: Analog output pin for CO2 concentration.
- ALERT: Digital output pin for customizable alert functions.
- RDY: Digital output pin indicating measurement ready status.
What are the Pros and Cons of SCD42-D-R2?
Pros:
- High Accuracy: Provides precise CO2 measurements for critical applications.
- Automatic Self-Calibration: Ensures long-term stability and accuracy without manual intervention.
- Dual-Channel Sensor: Offers redundancy and reliability for continuous CO2 monitoring.
- Flexible Outputs: Supports digital (I2C, UART) and analog outputs for versatile system integration.
- Compact Form Factor: The LGA package is compact and suitable for space-constrained designs.
Cons:
- Cost: High-accuracy CO2 sensors may have a higher cost compared to lower-accuracy alternatives.
- Complexity: Requires understanding of digital communication protocols for interfacing with microcontrollers.
- Calibration: May require periodic calibration to maintain accuracy, though this is automated in the SCD42-D-R2.
Are There Any Equivalents/Alternatives to SCD42-D-R2 for Recommendation?
- The SCD40-D from Sensirion is an alternative CO2 sensor module with a slightly different feature set.
- Equivalent products to the SCD42-D-R2 include the MH-Z19C from Winsen and the K30 from Senseair.
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