Gastec

Nitrogen Dioxide Detection Tube – 0.01 to 3 PPM

This Nitrogen Dioxide detection tube is engineered for ultra-low level, long-duration NO₂ monitoring across a precise 0.01 to 3 ppm range. Designed for extended sampling, the tube delivers clear...

Nitrogen Dioxide Detection Tube – 0.1 to 30 PPM

This Nitrogen Dioxide detection tube is designed for long-duration, mid-range NO₂ monitoring across a controlled 0.1 to 30 ppm range. Built for time-weighted exposure sampling, the tube delivers...

Nitrogen Dioxide Detection Tube – 0.5 to 125 PPM

This Nitrogen Dioxide detection tube is designed for rapid, mid-to-high range NO₂ monitoring across a controlled 0.5 to 125 ppm range. Built for fast field sampling, the tube delivers clear...

Nitro Compounds Gas Detection Tube – 0.5–30 PPM Measuring Range

This Nitro Compounds gas detection tube provides fast, reliable air sampling across a 0.5 to 30 ppm measuring range. Designed for short-duration monitoring, the tube delivers clear, easy-to-read...

Nitric Acid Gas Detection Tube – 0.1–40 PPM Measuring Range

This Nitric Acid gas detection tube is designed for accurate air sampling across a 0.1 to 40 ppm measuring range. With a flexible sampling time of 30 seconds to 5 minutes, it supports both rapid...

Nickel Gas Detection Tube – 5–50 mg/L Measuring Range

This Nickel gas detection tube is designed for reliable air sampling across a 5 to 50 mg/L measuring range. With a three-minute sampling time, it provides efficient detection for workplace exposure...

n-Butyl Alcohol Detection Tube – 10 to 150 PPM

This n-Butyl Alcohol detection tube is designed for reliable workplace air monitoring across a controlled 10 to 150 ppm range. Built for consistent field sampling, the tube delivers clear...

N,N-Dimethylacetamide Detection Tube – 1.5 to 240 PPM

This N,N-Dimethylacetamide detection tube is designed for reliable workplace air monitoring across a broad 1.5 to 240 ppm range. Built for efficient field sampling, the tube delivers clear...

Methylene Chloride Detection Tube – 4 to 150 PPM

This Methylene Chloride detection tube is designed for accurate workplace air monitoring across a controlled 4 to 150 ppm range. Built for flexible field sampling, the tube delivers clear...

Methylene Chloride Detection Tube – 20 to 500 PPM

This Methylene Chloride detection tube is designed for fast, reliable monitoring of elevated solvent vapor concentrations across a controlled 20 to 500 ppm range. Built for efficient field sampling,...

Methylcyclohexanone Detection Tube – 2 to 100 PPM

This Methylcyclohexanone detection tube is designed for accurate workplace air monitoring across a controlled 2 to 100 ppm range. Built for extended sampling, the tube delivers clear colorimetric...

Methylcyclohexanol Detection Tube – 5 to 100 PPM

This Methylcyclohexanol detection tube is designed for fast, reliable workplace air monitoring across a controlled 5 to 100 ppm range. Built for efficient field sampling, the tube delivers clear...