Nextteq NX138 Detector Tube - 10/Box

Detector tubes are primarily designed to measure the specific gases their tube names imply. But it is possible to measure other substances of similar chemical properties with the aid of a correction factor or correction chart; these are outlined in the operating instructions and in the gastec detector tube handbook for applicable tubes.

• High quality glass tube tip break easily and do not shatter for your safety
• 2 Year Shelf Life
• 30 - 1000 ppm range with 2 pump strokes
• 10 - 200 ppm range with 4 pump strokes
• Store in refrigerator
• Interferences include halogens and halogenated hydrocarbons