Wide Measurement Range
Measures 400–5000 ppm as standard and can be configured for ranges up to 40,000 ppm.
H101-CO2-Z8S-U-40kP Photoacoustic PAS CO2 Sensor
The H101-CO2-Z8S-U-40kP is a compact photoacoustic CO2 sensor designed for wide-range carbon dioxide measurement in space-constrained equipment. It combines PAS detection, built-in temperature and humidity compensation and a 3.3 V UART interface.
BrandWinsen
Sensing PrinciplePAS
Target GasCO2
Product TypePhotoacoustic CO2 Sensor Module
CO2 Sensing for OEM Integration
Product Overview
Compact photoacoustic CO2 measurement with a standard 400–5000 ppm range and an expandable range up to 40,000 ppm.
The module uses photoacoustic spectroscopy to detect carbon dioxide in air with good selectivity and without dependence on oxygen concentration.
Its 20 × 15 × 7.8 mm package, integrated compensation and digital interface support integration into automotive air-conditioning, air-quality and smart ventilation products.
Designed for Reliable Integration
Key Features
Compact PAS Design
The 20 × 15 × 7.8 mm package supports products with limited installation space.
Temperature and Humidity Compensation
Built-in compensation supports stable and linear CO2 measurement across changing environmental conditions.
UART Interface
Provides a UART output at TTL 3.3 V level for direct connection to a host controller.
Long Service Life
The official specification states an expected lifespan of more than 10 years.
Strong Environmental Resistance
Designed to resist water-vapor interference and poisoning in normal application environments.
Typical Use Cases
Applications
Automotive Air Conditioning
Air Purification Equipment
Indoor Air Quality Monitoring
Smart Home Systems
Fresh Air and Ventilation Systems
Official Product Parameters
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | H101-CO2-Z8S-U-40kP |
| Detected Gas | Carbon dioxide (CO2) |
| Detection Principle | Photoacoustic spectroscopy (PAS) |
| Measurement Range | 400–5000 ppm; expandable to 40,000 ppm |
| Resolution | 10 ppm |
| Accuracy, 400–2000 ppm | ±(50 ppm + 3% of reading) |
| Accuracy, 2001–5000 ppm | ±(40 ppm + 3% of reading) |
| Supply Voltage | Light source: 5.0±0.05 V; system: 3.3±0.3 V |
| Average Current | <15 mA at 5 V; <2 mA at 3.3 V |
| Peak Current | 300 mA at 5 V |
| Output Signal | UART, TTL 3.3 V |
| Warm-up Time | 60 s |
| Response Time | T63 <60 s |
| Operating Temperature | -10°C to +60°C |
| Operating Humidity | 0–95% RH, non-condensing |
| Pressure Range | 750–1150 hPa |
| Storage Temperature | 5°C to +40°C |
| Dimensions | 20 × 15 × 7.8 mm |
| Expected Lifespan | >10 years |
Specifications are based on the official Winsen product page. Confirm the latest datasheet, communication protocol, calibration requirements and mechanical drawing before final product design.
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