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.
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
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
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
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If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 30 days of delivery date and item must be in original new condition.
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