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Pinafresa Digital TVOC Detection Chip SGP41 Air Quality Sensor for Stemma QT/Qwiic for Demo Board Compatibility — image 1
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Pinafresa Digital TVOC Detection Chip SGP41 Air Quality Sensor for Stemma QT/Qwiic for Demo Board Compatibility

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About this item
  • 3. Fast response time: ≤ 2 seconds for dynamic tracking of air quality changes.
  • 2. Solder-free QT/Qwiic interface for plug-and-play and strong compatibility.
  • Features: 1. SGP41 models, accurately detecting VOC and NOx levels.
  • 4. Ultra-low power consumption, suitable for long-term battery operation. Industrial-grade wide operating temperature range, suitable for -30°C to +70°C environments.
  • SGP41 Dual Gas Environment Sensor: FAAC0002-002. Interface Type: STEMMA QT / Qwiic (I²C, Solder-Free) Core Chip: SGP41 (SGP40 Ultimate Upgrade) Detection Range: VOC/NOx Dual Index 0-500
Product description

Pinafresa 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 size: 18mm x 25.3mm I²C address: Fixed 0x59 Function: Accurate dual-gas identification and detection indicators Application scenarios Technical advantages VOC index: Formaldehyde/smoke/body odor monitoring, accuracy ±15% (30% improvement over previous generation) NOx index: Vehicle exhaust/combustion pollution monitoring, specializing in vehicle emissions (NO₂/NO) Dual-signal parallel output: Simultaneously acquires VOC and NOx indices (0-500 scale) in a single sampling cycle, with a response time of Less than 1 second Application scenarios: Intelligent vehicle systems Real-time monitoring: Excessive formaldehyde in-vehicle (VOC) Tunnel exhaust gas accumulation (NOx) → Automatic switch to internal recirculation Industrial safety warning Dual-gas collaborative judgment: generator leakage (NOx↑ + VOC↑) vs. alcohol disinfection (VOC↑ only) Urban station Grid-based deployment to monitor traffic pollution diffusion (NOx↑) Heatmap Generation) Color: Black Material: PCB Package Contents: 1 x Air Quality Sensor Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.

Product details
Brand
Pinafresa
Manufacturer
Pinafresa
Weight
0.00 kg
Model number
500943204
Part number
500943204
EAN
6133692691905

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10 Trustpilot reviews total, with 2 shown at a time.

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Sigalit
🇮🇱 · January 2026

I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.

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Verified buyer
🇦🇺 · November 2025

The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.

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Pinafresa Digital TVOC Detection Chip SGP41 Air Quality Sensor for Stemma QT/Qwiic for Demo Board Compatibility | Bigamart