GASTEC Detector Tube: CH4S, Gas Detection Tube, Methyl Mercaptan ( CH4S ), With Pump
The GASTEC Detector Tube: CH4S (MPN 71H) is a gas detection tube for methyl mercaptan (CH4S), designed for use with GASTEC GV-100 and GV-110 pumps. It offers a measurement range of 20 to 2,700 ppm and is supplied in…
SKU 3G-OTH-553229
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Product Description
The GASTEC Detector Tube: CH4S (MPN 71H) is a gas detection tube for methyl mercaptan (CH4S), designed for use with GASTEC GV-100 and GV-110 pumps. It offers a measurement range of 20 to 2,700 ppm and is supplied in a 10-pack. 3G Electric interprets this demand and delivers the genuine tube, backed by specialist expertise in combustion, pumps, and controls across 14 industrial departments.
Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.
Frequently Asked Questions
What is the GASTEC Detector Tube 71H used for?
The GASTEC Detector Tube 71H is used to detect and measure methyl mercaptan (CH4S) gas in industrial environments, such as refineries, chemical plants, and wastewater facilities. It works with GASTEC GV-100 and GV-110 pumps to provide a measurement range of 20 to 2,700 ppm.
What are the specifications of the GASTEC 71H tube?
The GASTEC 71H tube detects methyl mercaptan (CH4S) with a measurement range of 20 to 2,700 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 71H.
Where to buy GASTEC 71H detector tubes worldwide?
3G Electric supplies the genuine GASTEC 71H detector tube worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source and deliver this tube across 14 industrial departments, including combustion, pumps, and controls.
How to use the GASTEC 71H tube with a pump?
To use the GASTEC 71H tube, break both tips off the tube using the tip breaker on the GASTEC GV-100 or GV-110 pump. Insert the tube into the pump inlet, then pull the handle to draw a sample. Follow the pump stroke count and time specified in the tube instructions for accurate methyl mercaptan readings.
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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