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.