0.1 ppm resolution
Additional gas sensor
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HibouAir Duo Extended CO + O₂
Carbon monoxide and oxygen. One connected view.
Bring carbon monoxide and oxygen measurements together with the standard Duo Extended indoor air sensors. Follow gas, CO₂, particle, temperature and humidity trends through a compact BLE monitor.
CO + O₂Dual gas configuration
More in every measurement
CO + O₂
CO₂
PM1.0 / 2.5 / 10
Temperature
Humidity
Made for a clearer view
The gas you need.
The context that matters.
Dedicated additional gas sensing meets laser-scattering particulate measurement and NDIR CO₂ technology. Follow individual readings and the indoor conditions around them.
0.01% vol. resolution
Additional gas sensorPlus temperature and humidity
Included in every variantSave readings at your preferred interval
Days, weeks or months of dataExplore an application
A building-performance laboratory, in context
Explore an indoor research setting where carbon monoxide and oxygen measurements form part of a wider environmental record. Select a numbered point to explore.
CO and oxygen, side by side
The CO channel spans 0–100 ppm at 0.1 ppm resolution. The O₂ channel spans 0–25% by volume at 0.01% by volume resolution.
The whole indoor picture
Every variant also includes CO₂, PM1.0, PM2.5, PM10, temperature and humidity. Review these measurements together to give your gas observations more context.
A record you can revisit
A built-in data logger offers storage intervals programmable in one-minute steps. Access historical data and generate PDF reports for analysis and sharing.
Building-performance research
Include both carbon monoxide and oxygen in an indoor monitoring study.
Facilities measurement projects
Review gas readings alongside particles and the standard CO₂ channel.
Project reporting
Use stored measurements and historical PDF reports to share observations with a team.
Built-in data logger
Capture now.
Understand over time.
Move beyond a single reading. Set the storage interval to suit your project, revisit historical measurements, and turn observations into PDF reports.
Read the datasheet- 01
Choose your interval
Programmable storage intervals in one-minute steps.
- 02
Build your history
Store measurements for days, weeks or months, depending on your preferred interval.
- 03
Share the observations
Access historical data and generate PDF reports for analysis and documentation.
Your monitor. Your setup.
Choose how you use it.
HibouAir Duo Extended CO + O₂
SSD002/4B-1 ·
Carbon monoxide + oxygen
Know your monitor
Specifications, in detail.
SSD002/4B-1
Technical specifications from the SSD002/4B datasheet,
version 2.0.
Additional gas sensors
| Measurement | Range | Resolution |
|---|---|---|
| Carbon monoxide (CO) | 0–100 ppm | 0.1 ppm |
| Oxygen (O₂) | 0–25% vol. | 0.01% vol. |
Additional gas sensing uses solid polymer electrochemical technology. Gas accuracy is not specified in this datasheet; resolution is shown separately above.
Core sensors included in every variant
| Measurement | Range | Accuracy |
|---|---|---|
| CO₂ | 400–10,000 ppm | ± (30 ppm / 3%) |
| PM1.0 / PM2.5 / PM10 | 0–1,000 µg/m³ | ±5 µg/m³ at 0–35 µg/m³; ±10% at 35–1,000 µg/m³ |
| Temperature | −5 to +65°C | ±0.5°C |
| Relative humidity | 0–100% r.H. | ±4% r.H. |
CO₂ accuracy notation is reproduced as supplied in the datasheet. Sensor measurement ranges and device working conditions are listed separately.
Device specifications
- Connectivity
- Bluetooth Low Energy 5.2
- Power
- +5 VDC input on micro USB connector
- Dimensions
- 88 × 88 × 33 mm
- Weight
- 250 g
- Working conditions
- −20°C to +65°C; humidity: 100% (as listed in the datasheet)
- Certification / compliance
- CE, RoHS, REACH
- Colour
- White
What does this variant measure?
HibouAir Duo Extended CO + O₂ (SSD002/4B-1) includes carbon monoxide + oxygen monitoring, plus CO₂, PM1.0, PM2.5, PM10, temperature and humidity. Each Duo Extended variant has its own additional gas configuration.
Does the device connect directly to Wi-Fi?
This model uses Bluetooth Low Energy 5.2. For a computer or Cloud Enterprise deployment, discuss the required USB dongle or BLE gateway and application support with our team.
How is it powered?
The datasheet specifies a +5 VDC input through a micro USB connector. The enclosure measures 88 × 88 × 33 mm and weighs 250 g.
How long can it log measurements?
You can set the logging interval in one-minute steps to suit your monitoring needs. Depending on your preferred interval, the built-in data logger can store measurements for days, weeks or months. Choose a shorter interval for a more detailed record, or a longer interval to keep a history over a longer period.
What is included in the displayed price?
The displayed amount is the price of the selected device and quantity. Shipping, applicable tax, USB dongles, gateways and cloud plans are additional. Enquire with your preferred setup for a complete purchase quotation.