GASTEC 4LL Hydrogen Sulphide Gas Detection Tube, 10-Pack

The GASTEC Detector Tube 4LL is used for field detection of hydrogen sulphide (H2S) gas concentrations. It works with GASTEC GV-100 and GV-110 pumps to measure H2S from 0.25 to 120 ppm, supporting safety in industrial environments like refineries, wastewater plants, and confined spaces.

The GASTEC Detector Tube 4LL detects hydrogen sulphide (H2S) with a measurement range of 0.25 to 120 ppm. It is supplied in a 10-pack and is designed for use with GASTEC GV-100 and GV-110 pumps. The manufacturer part number is 4LL.

3G Electric supplies the GASTEC Detector Tube 4LL worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source and deliver genuine GASTEC gas detection tubes to support safety compliance across industries. Contact us for availability and delivery to your location.

To use the GASTEC Detector Tube 4LL, break both tips of the tube using the tip breaker on the GV-100 pump. Insert the tube into the pump inlet with the arrow pointing toward the pump. Pull the handle to draw a sample, then read the concentration directly from the tube scale. Follow GASTEC’s manual for stroke count and timing.