GASTEC Detector Tube: H2S, Gas Detection Tube, Hydrogen Sulphide ( H2S ), With Pump
The GASTEC Detector Tube: H2S is a gas detection tube for hydrogen sulphide, designed for use with GASTEC GV-100 and GV-110 pumps. It measures H2S from 1 to 40 ppm and comes in a 10-pack (MPN 4LK).
SKU 3G-OTH-553162
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Product Description
The GASTEC Detector Tube: H2S is a gas detection tube for hydrogen sulphide, designed for use with GASTEC GV-100 and GV-110 pumps. It measures H2S from 1 to 40 ppm and comes in a 10-pack (MPN 4LK).
Frequently Asked Questions
What is the GASTEC Detector Tube H2S used for?
The GASTEC Detector Tube H2S (MPN 4LK) is used for spot-checking hydrogen sulphide gas concentrations in industrial environments such as refineries, wastewater plants, and confined spaces. It provides a direct-read measurement from 1 to 40 ppm when used with a GASTEC GV-100 or GV-110 pump.
What are the specifications of the GASTEC Detector Tube 4LK?
The GASTEC Detector Tube 4LK detects hydrogen sulphide (H2S) with a measurement range of 1 to 40 ppm. It is a 10-pack of gas detection tubes designed for use with GASTEC GV-100 and GV-110 pumps. The tube provides a colorimetric stain length readout for on-site analysis.
Where to buy GASTEC Detector Tubes worldwide?
3G Electric supplies GASTEC Detector Tubes worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on the GASTEC H2S tube 10-pack (MPN 4LK) for use with GV-100 and GV-110 pumps.
How to use the GASTEC H2S detector tube with a pump?
To use the GASTEC H2S detector tube, break both tips off the tube using the tip breaker on the pump. Insert the tube into the pump inlet with the arrow pointing toward the pump. Pull the handle fully to draw a sample; read the stain length on the tube scale for ppm H2S. Follow GASTEC's instructions for pump strokes.
GASTEC Products
3G Electric supplies GASTEC gas detection tubes for use in gastec gv-100 and gv-110 pumps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.


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