NO2-D4 Nitrogen Dioxide Sensor
NO2 Gas Sensor, Electrochemical, D-Series, 0–20 ppm NO2
Low-profile NO2 sensor for compact personal monitors and clip-on detectors
The NO2‑D4 is a miniature 0–20 ppm NO2 sensor designed for clip‑on devices, hand-held safety monitors, and personal exposure instrumentation. Its small footprint makes it ideal for wearable formats where space and weight are limited.
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Key Specifications:
|
Sensor Model |
Target Gas |
Package Size |
Concentration Range |
Sensitivity |
T90 Response Time |
Warranty |
|
NO2-D4 |
Nitrogen Dioxide (NO2) |
D-Series, miniature 3‑electrode |
0–20 ppm NO2 |
−100 to −350 nA/ppm in 10 ppm NO2 |
< 35 s (0 to 10 ppm step) |
> 18 months (24‑month warranted) |
|
Feature |
Benefit |
|
Miniature D-Series form factor |
Fits compact, wearable and clip-on personal gas detectors |
|
0–20 ppm NO2 measurement range |
Covers personal exposure monitoring in confined spaces. |
|
Fast t90 < 35 s |
Provides rapid warning of rising NO2 levels near the worker. |
|
Low weight (< 2 g) |
Supports lightweight, battery-powered PPE designs. |
|
Proven Alphasense electrochemistry |
Delivers robust performance over > 18-month operating life. |
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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
- Dust filter
- Other related NO2 sensors in the Alphasense portfolio:
- Compact size: NO2-H4
