Product Details

Product Features:
1. Dual models SGP40 / SGP41 available for precise detection of VOC and NOx levels.
2. Solderless QT/Qwiic interface for plug-and-play operation with strong compatibility.
3. Rapid response tracking air quality changes in ≤2 seconds.
4. Ultra-low power design ideal for long-term battery-powered applications.
5. Industrial-grade wide temperature range, operating from -30°C to +70°C.
 
Technical Specifications:

Model 1: SGP40 Digital VOC Sensor Module
Detection Range: VOC Index 0-500 (covers all daily scenarios)
Operating Voltage: 3.3V ±10%
Power Consumption: 0.95mA (active) / 0.05μA (standby)
Operating Temperature: -10°C ~ +50°C
I²C Address: Fixed 0x59
Interface Type: STEMMA QT / Qwiic (I²C solderless)
Core Chip: Next-generation SGP40
Module Dimensions: 18mm × 25.3mm
VOC Index Smart Output:
Directly outputs VOC Index (0-500 scale) for instant air quality assessment without complex calibration:
0-100: Excellent ✅
100-200: Moderate ⚠️
200: Poor ❌
Response Time: ≤2 seconds, dynamically tracks instantaneous changes like human exhalation and formaldehyde release

Application Scenarios:
Smart Home: Ventilation system integration (auto-ventilation when VOC >150)
Vehicle Purification: Real-time monitoring of formaldehyde/smoke odors inside vehicles
Healthcare: Environmental alert system for asthma patients
Building Control: CO₂ accumulation monitoring for conference rooms
Precision VOC Monitoring Principle
Accurate Volatile Organic Compound Detection
Ultra-Low Power Consumption Design
 
Model 2: SGP41 Dual-Gas Environmental Sensor
Interface Type: STEMMA QT / Qwiic (I²C solderless)
Core Chip: SGP41 (Ultimate upgrade of SGP40)
Detection Range: Dual Index (VOC/NOx) 0-500
Operating Voltage: 3.3V ±10% (Supports 1.7-3.6V Battery Direct Drive)
Power Consumption: 1.2mA (Dual Mode) / 0.1μA (Standby)
Operating Environment: -30°C ~ +70°C (Industrial-Grade Wide Temperature Range)
Module Dimensions: 18mm × 25.3mm
I²C Address: Fixed 0x59
Functions: Dual-gas precision identification, detection metrics, application scenarios, technical advantages
VOC Index: Formaldehyde/smoke odor/body odor monitoring Accuracy ±15% (30% improvement over previous generation)
NOx Index: Automotive exhaust/combustion pollution monitoring (specialized for diesel vehicle emissions: NO₂/NO)
Dual-signal parallel output: Simultaneously acquires VOC Index + NOx Index (0-500 scale) per sample, response time <1 second

Application Scenarios:
Smart In-Vehicle Systems
Real-time Monitoring:
Excessive formaldehyde (VOC) in cabin
Tunnel exhaust accumulation (NOx) → Automatic switch to internal circulation
Industrial safety alerts
Dual-gas collaborative detection:
Diesel generator leaks (NOx↑ + VOC↑) vs. Alcohol disinfection (VOC↑ only)
Urban microclimate stations
Grid-based deployment for traffic pollution dispersion monitoring (NOx heatmap generation)

Package Contents  ( Model 1 or Model 2 item ship according buyer choose)
Sensor Module × 1
5-pin Single Row Connector × 1
  • EBAY Managed Payment. But we only Accept your Ebay Address, please Make sure it's 100% right.
  • Payment must be received in 5 business days of auction closing.
  • Please leave note for your special request (e.g. Colors or Size) in PayPal when you pay the order.
  • Any special request cannot be accepted after 24 hours of payment, because most of orders will be processed instantly and same day dispatched.

1. We only ship to the confirmed address provided by eBay. please make sure your ebay address is 100% matches the address you would like us to ship to. If not, please let us know before we sent you the package, or we will not be responsible for any loss. hope you could understand.
2. Orders will be processed instantly and dispatched within 1-3 business days except hoilday, so we do NOT accept any email/message note after you place orders.
3. All package need to wait 30 days,Please take care it.Less than 30 days,we can't take a refund.

  • All package need to wait 30 days(US only need 7-10 days),Please take care it.Less than 30 days,we can't take a refund.
  • If the item is defect when you receive it or you are not satisfied with it, please return it within 14 days for a replacement or money back. But the items must be back in factory condition. Please keep in touch with us and double check the return address before you return it.
  • If is item is defective in 12 months, you can return it to us. We will send you a new replacement after receiving the defective item.

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