SENSIRION Gas Detection Sensor, Carbon Dioxide, 40000 ppm, PAsens CMOSens SCD4x Series

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SKU: rz24310793 Category: Gas and Dust Sensor

Description

The SCD4x is Sensirion’s next-generation miniature CO2 sensor. This sensor builds on the photoacoustic sensing principle and Sensirion’s patented PAsens® and CMOSens® technology to offer high accuracy at an unmatched price and smallest form factor. SMD assembly allows cost- and space-effective integration of the sensor combined with maximal freedom of design. On-chip signal compensation is realized with the built-in SHT4x humidity and temperature sensor.

CO2 is a key indicator for indoor air quality as high levels compromise humans’ cognitive low power and well-being. The SCD4x enables smart ventilation systems to regulate ventilation in the most energy-efficient and human-friendly way. Moreover, indoor air quality monitors and other connected devices based on the SCD4x can help maintain low CO2 concentrations for a healthy, productive environment.

Features:

Photoacoustic sensor technology PASens
Smallest form factor: 10.1 x 10.1 x 6.5 mm3
Reflow solderable for cost-effective assembly
Large output range: 0 ppm – 40’000 ppm
Large supply voltage range: 2.4 – 5.5 V
High accuracy: ±(40 ppm + 5 %) Digital I2C interface
Integrated temperature and humidity sensor
Low power operation down to < 0.4 mA avg. @ 5 V, 1 meas. / 5 minutes

Specifications:

Package Include:

1 X SENSIRION Gas Detection Sensor Carbon Dioxide

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Shipping & Delivery

Shipping and Delivery Policy

1. Shipping Process:

Orders are processed within 1-2 business days after payment confirmation.
Delivery time varies based on location and selected shipping method, typically ranging between 3-7 business days.
We partner with trusted courier services to ensure timely and safe delivery.

2. Shipping Charges:

Shipping charges are calculated at checkout based on the delivery location and package weight.
Free shipping may be available for orders above a specified amount, as mentioned on our website.

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4. Delivery Address:

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We are not responsible for delivery failures due to incorrect or incomplete address details provided by the customer.

5. Delivery Issues:

If a package is delayed, lost, or damaged during transit, please contact our support team immediately.
Claims for lost or damaged items must be reported within 48 hours of delivery.

6. No Return Policy for Opened/Soldered Products:

We do not accept returns for products that have been opened, used, or soldered.
Ensure you verify product compatibility before purchase, as returns will only be accepted for unopened and unused items in their original packaging.

7. Refund Policy:

Refunds will be issued only for canceled orders before shipment or wrong/damaged items received (subject to investigation).
No refunds or replacements for products that have been tampered with, soldered, or physically damaged by the customer.

DFRobot Air Quality Monitor (PM 2.5, Formaldehyde, Temperature & Humidity Sensor)

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Particle Measurement Range	0.3~1.0μm; 1.0~2.5μm; 2.5~10μm
Particle Counting Efficiency	50%@0.3μm , 98%@>=0.5μm
Resolution of Particle Mass Concentration	1μg/mᶟ
Temperature Measurement Range	0~99℃
Temperature Measurement Resolution	0.1℃
Humidity Measurement Range	0~99%
Humidity Measurement Resolution	0.1%
Humidity Measurement Accuracy	±2%
Single Response Time	＜1s
Comprehensive Response Time	≤10s
DC Supply Voltage	Typ: 5V Min: 4.5V Max: 5.5V
Working Current	≤100mA
Standby Current	≤200mA
Data Interface Level	L＜0.8V , H＞2.7V , maximum level voltage 3.3V
Working Temperature Range	10~50℃
Working Humidity Range	0~99%
Storage Temperature Range	40~80℃

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Detection range	0~100%
Working Pressure Range	0.5~2.0Bar
Working Voltage	3.3～5.5V DC
Output Signal	I2C , UART (0~3V) , analog voltage
Lifespan	＞2 years (in air)
Working Humidity Range	0-99% RH (non-condensing)
Working Temperature Range (°C)	-20°C ~ +50°C
Product Dimensions	32mm x 27mm/1.26 x 1.06 inch
Response Time ( μS)	＜5S
Mounting Holes Diameter (mm)	inner diameter 3.1mm(0.12 inch)/outer diameter 6mm(0.24 inch)

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Detection Gas	Hydrogen (H2)
Detection range	0~1000ppm
Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Output Signal	I2C , UART (0~3V) , analog voltage
Working Temperature	-20～50℃
Working Humidity	15～90%RH (non-condensing)
Storage Temperature	-20～50℃
Communication Protocol	I2C , UART and analog
Compatibility	Arduino , ESP32 , Raspberry pi
Storage Humidity	15～90%RH (non-condensing)
Lifespan	>2 years (in the air)
Adapter Plate Size	37 x 32mm

DFRobot Gravity HF Sensor (Calibrated) – I2C, UART and analog

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Detection Gas	Hydrogen fluoride (HF)
Detection range	0~10ppm
Working Voltage	3.3～5.5V DC
Working Current	＜5mA
Working Temperature Range (°C)	-20 to 50
Working Humidity Range	15～90%RH (non-condensing)

Figaro NGM2611 E13 Methane Sensor Module factory calibrated

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Circuit Voltage	5.0±0.2V DC
Heater Current	56±5mA
Operating conditions	0˚~40˚C , 30~95%RH
Temperature differential between inside and outside detector casing	≤10˚C max. (NOTE 1)
Circuit current	10mA (max)
Reference voltage	1.0~4.0V DC (NOTE 2)

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