NO2-B1 Nitrogen Dioxide Sensor
NO2 Gas Sensor, Electrochemical, B-Series, 0–20 ppm NO2
Robust NO2 sensor for fixed installations and high-humidity HVAC environments
The NO2‑B1 is a robust B‑Series sensor optimized for fixed installations operating in challenging or high‑humidity environments. With a 0–20 ppm range, it supports industrial safety, HVAC systems, and long‑duration monitoring. Its larger B‑Series package enhances stability, and IST versions are available for digital-ready OEM designs.
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Key Specifications:
|
Sensor Model |
Target Gas |
Package Size |
Concentration Range |
Sensitivity |
T90 Response Time |
Warranty |
|
NO2-B1 |
Nitrogen Dioxide (NO2) |
B-Series, 3‑electrode |
0–20 ppm NO2 |
−450 to −1000 nA/ppm in 10 ppm NO2 |
< 60 s (0 to 10 ppm step) |
> 24 months (24‑month warranted) |
|
Feature |
Benefit |
|
B-Series 3‑electrode package |
Larger electrolyte volume for stable operation in harsh conditions. |
|
High output sensitivity |
Delivers strong signal-to-noise for long cable runs and analogue transmitters |
|
Designed for fixed installations |
Ideal for HVAC ducts, car parks and building ventilation systems. |
|
Excellent performance in high humidity |
Well suited to outdoor and wash-down environments. |
|
IST “+” option available |
Simplifies commissioning and field sensor replacement. |
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Technical Data Sheet
Application Notes
- Health and Safety Information
- Protecting and Handling Oxygen and Toxic Sensors
- Pressure Changes Can Cause False Alarms
- Design Considerations in Gas Sampling
- Intrinsic Safety Information for Approvals
Safety Documents
Related Products
- Accessories
- 4-20mA Digital or Analogue Board
- O-ring
- Dust Filter
- Gas Hoods
- Other related NO2 sensors in the Alphasense portfolio:
- B-Series: NO2-B43F
