Gastec

Ozone Detection Tube – 4 to 400 PPM

This Ozone detection tube is designed for fast, reliable workplace air monitoring across a broad 4 to 400 ppm range. Built for efficient field use, the tube delivers clear colorimetric results in...

Ozone Detection Tube – 0.025 to 3 PPM

This Ozone detection tube is engineered for ultra-low level air monitoring across a precise 0.025 to 3 ppm range. Built for sensitive field sampling, the tube delivers clear colorimetric results in...

Oxygen Detection Tube – 3 to 24%

This Oxygen detection tube is designed for fast, reliable oxygen concentration verification across a controlled 3 to 24% range. Built for efficient field use, the tube delivers clear colorimetric...

Oil Mist Detection Tube – 0.2 to 5 mg/m³

This Oil Mist detection tube is designed for accurate low-level aerosol monitoring across a controlled 0.2 to 5 mg/m³ range. Built for extended sampling, the tube delivers clear colorimetric...

Oil Mist Detection Tube – 0.3 to 1.5 mg/m³

This Oil Mist detection tube is designed for long-duration, low-level aerosol monitoring across a precise 0.3 to 1.5 mg/m³ range. Built for extended sampling, the tube delivers clear...

o-Dichlorobenzene Detection Tube – 2.5 to 300 PPM

This o-Dichlorobenzene detection tube is designed for accurate workplace air monitoring across a broad 2.5 to 300 ppm range. Built for efficient field use, the tube delivers clear colorimetric...

o-Cresol Detection Tube – 0.4 to 62.5 PPM

This o-Cresol detection tube is designed for reliable workplace air monitoring across a controlled 0.4 to 62.5 ppm range. Built for flexible field use, the tube delivers clear colorimetric results in...

Nitrogen Oxides Detection Tube – 5 to 625 PPM

This Nitrogen Oxides detection tube is designed for fast, reliable workplace air monitoring across a broad 5 to 625 ppm range. Built for efficient field use, the tube delivers clear colorimetric...

Nitrogen Oxides Detection Tube – 0.04 to 16.5 PPM

This Nitrogen Oxides detection tube is engineered for ultra-low level NOₓ monitoring across a precise 0.04 to 16.5 ppm range. Designed for sensitive field sampling, the tube delivers clear...

Nitrogen Oxides Detection Tube – 50 to 2500 PPM

This Nitrogen Oxides detection tube is designed for fast, high-concentration NOₓ monitoring across a broad 50 to 2500 ppm range. Built for efficient field use, the tube delivers clear colorimetric...

Nitrogen Oxides Detection Tube – 0.02 to 7 PPM

This Nitrogen Oxides detection tube is engineered for ultra-low level NOₓ monitoring across a precise 0.02 to 7 ppm range. Built for sensitive field sampling, the tube delivers clear colorimetric...

Nitrogen Oxides Detection Tube – 2.5 to 200 PPM

This Nitrogen Oxides detection tube is designed for fast, accurate mid-range NOₓ monitoring across a reliable 2.5 to 200 ppm range. Built for efficient field sampling, the tube provides clear...