SENSIRION SCD40-SCD41 Box Gas Sensor Module Detect

( Brand: Sensirion ), ( Part Type: Box Sensor Module ), ( Manufacturer Part Number: SCD40-SCD41 )

Review SENSIRION New In Box Scd40 Scd41 Gas Sensor Module Detect

The Sensirion SCD40-SCD41 Gas Sensor Module is a compact and accurate sensor solution for measuring carbon dioxide (CO2) and relative humidity (RH) in ambient air. This sensor module comes in a box containing two separate sensors: the SCD40 CO2 sensor and the SCD41 RH sensor.

The SCD40 CO2 sensor is based on non-dispersive infrared technology (NDIR) and provides highly accurate and reliable CO2 measurements. It features a wide measuring range of 0-5000 ppm and a high measurement accuracy of /- (50 ppm 5% of reading). The sensor also includes an automatic temperature compensation, self-diagnostics, and a digital I2C interface for easy communication with microcontrollers and data loggers.

The SCD41 RH sensor, on the other hand, is a capacitive sensor that measures relative humidity with a high accuracy of /- 3% RH and 0.1% RH from 0-95% RH. It also features a wide measuring range of 0-100% RH and a temperature range of -10 to 50 C. The sensor includes an automatic temperature compensation, self-diagnostics, and a digital I2C interface for easy communication with microcontrollers and data loggers.

The SCD40-SCD41 Gas Sensor Module comes in a robust and compact housing, making it ideal for various applications, including air quality monitoring, HVAC systems, indoor agriculture, and industrial process control. The sensors are factory calibrated and come with a factory-installed 3-pin I2C connector for easy installation and integration into various systems.

The sensor module requires a power supply of 5V DC and has a low power consumption of less than 100 mA. It also includes a built-in heater that ensures accurate measurements in low-temperature environments. The sensor module communicates with the host system via the I2C interface, making it easy to integrate and program using popular microcontroller platforms such as Arduino, Raspberry Pi, and PIC.

In summary, the Sensirion SCD40-SCD41 Gas Sensor Module is a versatile and accurate sensor solution for measuring carbon dioxide and relative humidity in ambient air. It comes in a box containing two separate sensors, the SCD40 CO2 sensor and the SCD41 RH sensor, which can be easily integrated into various systems using the digital I2C interface. The sensor module features a wide measuring range, high measurement accuracy, low power consumption, and easy communication with microcontrollers and data loggers.

The Sensirion SCD40 and SCD41 gas sensor modules are popular choices for measuring carbon dioxide (CO2) and relative humidity (RH) in various applications. Here are some pros and cons to help you decide if buying these sensors is suitable for your project:

1. High accuracy: The SCD40 offers excellent measurement accuracy for CO2 and RH, making it suitable for applications that require precise data.

2. Low power consumption: With a power consumption of less than 100 mW, the SCD40 is an energy-efficient option for battery-powered projects.

3. Easy integration: The sensor comes with a I C interface, making it simple to connect and communicate with a microcontroller or other devices.

4. Wide operating temperature range: The SCD40 can operate in temperatures between -40 C and 85 C, making it suitable for various environments.

1. Cost: The SCD40 is generally more expensive than some other CO2 and RH sensors on the market.

2. Calibration requirements: The sensor needs to be calibrated periodically to maintain its accuracy, which can be time-consuming and costly.

1. Dual-sensor functionality: The SCD41 combines both CO2 and RH measurement capabilities in a single sensor, reducing the need for multiple sensors.

2. Easy calibration: The sensor includes an on-board self-calibration feature, which simplifies the calibration process.

3. Wide measurement range: The SCD41 can measure CO2 concentrations between 0-5,000 ppm and RH between 0-99%, making it suitable for a variety of applications.

1. Higher power consumption: The SCD41 consumes more power than the SCD40, with a power consumption of approximately 250 mW.

2. Size: The dual-sensor functionality and larger form factor make the SCD41 a less compact option compared to the SCD40.

In conclusion, both the Sensirion SCD40 and SCD41 gas sensor modules have their strengths and weaknesses. The SCD40 is a more accurate, energy-efficient, and compact option for projects that only require CO2 or RH measurement. In contrast, the SCD41 is a more versatile choice for applications that require both CO2 and RH measurement in a single sensor, with the added convenience of on-board calibration.

When deciding which sensor to buy, consider the specific requirements of your project, such as measurement accuracy, power consumption, size, and cost. If you only need to measure CO2 or RH, the SCD40 may be the more cost-effective and energy-efficient option. However, if your project requires both CO2 and RH measurement, the SCD41's dual-sensor functionality and on-board calibration features may outweigh its higher power consumption and larger form factor.

part # scd40scd41 prices

• $43.46-$45.96

specifications detectoshould:

• brand: Sensirion
• part type: Box Sensor Module
• manufacturer part number: SCD40-SCD41

returns detectoshould:

• paid by: Seller
• time: 60 Days
• policy: Returns Accepted
• method: Money back

seller detectoshould:

• rating: 98.8%
• # reviews: 30797

payments detectoshould:

• credit card: Visa
• other
• wallet: Google-pay

offer detectoshould:

• availability: In Stock
• sold: 0
• started: April 13, 2026
• best offers: True
• quantity: 10
• options: Ship-to-home

general detectoshould:

• Test, Measurement Inspection > Test Meters Detectors > Gas Detectors Monitors
• condition: New

shipping detectoshould:

• service: Standard
• class: Standard
• transit: 3-8 Days
• type: Fixed
• cost: $0.00

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