The Sensidyne Colorimetric Gas Detector Tube System is the quality-standard in the industry and the first detector tube pump with an antibacterial grip. Detector tubes safely allow users to perform field screening and tests for the presence of hazardous and toxic gases, and chemical vapors at a very low cost-per-sample. High-quality and highly-reliable gas detector tubes from Sensidyne are precision tubes offering a higher level of accuracy and repeatability for applications where results matter.
Colorimetric Gas Detector Tubes are easy to use and provide a low-cost method of routine or spot sampling for gases and vapors. The system is perfect when sampling for a known target gas — visit our gas detector tube page for information on our detector tubes for over 350 types of vapor & gas substances. When the target gas or substance is unknown, our specialty HAZMAT kit provides an excellent answer for quick identification and measurement.
| Part Number | Gas | Range | Quantity |
| GIL-121SD | Phosphine | 0.25-20 ppm | 10/Box |
| GIL-121SH | Phosphine | 10-3200 ppm | 10/Box |
| GIL-121SS | Phosphine | 200 to 6000 ppm | 10/Box |
| GIL-121SC | Phosphine | 20-700 ppm | 10/Box |
| GIL-121SG | Phosphine | 5 to 150 ppm | 10/Box |
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