# Nitrogen Dioxide Sensidyne Colorimetric Gas Detection Tubes

> Sensidyne colorimetric gas detection tubes for NO2 measurement. Visual color-change readout for combustion exhaust and welding fume monitoring. Compatible with AP-20S pump. Order from ERE Inc.

- **URL:** https://ereinc.com/products/nitrogen-dioxide-sensidyne-colorimetric-gas-detection-tubes
- **Type:** Gas Detection Tube
- **Brand:** Sensidyne
- **Pricing:** request a quote at https://ereinc.com/products/nitrogen-dioxide-sensidyne-colorimetric-gas-detection-tubes
- **Tags:** brand:sensidyne, cat:gas-detection, dept:instruments-sales, Monitoring Gas Detection Tubes & Pumps, revamp-2026-06

## Description

**Features & Benefits**
• High precision, direct reading detector tubes for over 350 measures of gas & vapor substances
• High-quality and highly-reliable, best-in-class tubes
• Easy to use, low cost per sample
• Clear indication of concentration level is shown by length of stain on glass tube
• 90% of tubes are 1 or 2 strokes maximum

## Images
- https://cdn.shopify.com/s/files/1/0561/7434/6433/products/Sensidyne-Colorimetric-Gas-Detection-Tubes-gas-chemical_jpeg_002_431191e3-72a4-4072-a1a4-990fc985b1ff.jpg?v=1646679612