GASTEC Detector Tube: H2S/SO2, Gas Detection Tube, With Pump, 104°F Max Op Temp [NEW]
The GASTEC Detector Tube: H2S/SO2 (MPN 45H) is a gas detection tube for use in GASTEC GV-100 and GV-110 pumps, supplied in a 10-pack. It detects sulfur dioxide with a measurement range of 0.02 to 8% and a maximum…
SKU 3G-OTH-553156
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Product Description
The GASTEC Detector Tube: H2S/SO2 (MPN 45H) is a gas detection tube for use in GASTEC GV-100 and GV-110 pumps, supplied in a 10-pack. It detects sulfur dioxide with a measurement range of 0.02 to 8% and a maximum operating temperature of 104°F.
Frequently Asked Questions
What is the GASTEC Detector Tube 45H used for?
The GASTEC Detector Tube 45H detects sulfur dioxide (SO₂) in industrial environments. It is designed for use with GASTEC GV-100 and GV-110 pumps to measure SO₂ concentrations from 0.02 to 8% at temperatures up to 104°F.
What are the specifications of the GASTEC 45H gas detection tube?
The GASTEC 45H is a 10-pack of gas detection tubes for sulfur dioxide. Measurement range is 0.02 to 8%. Maximum operating temperature is 104°F. It works with GASTEC GV-100 and GV-110 pumps. Manufacturer part number is 45H.
Where to buy GASTEC 45H detector tubes worldwide?
3G Electric supplies GASTEC 45H detector tubes worldwide. As a global industrial solutions provider, we handle full logistics and customs clearance to deliver genuine GASTEC gas detection tubes to your facility, no matter the location.
How to use the GASTEC 45H tube with a GV-100 pump?
Break both tips of the GASTEC 45H tube, insert it into the GV-100 or GV-110 pump inlet, and pull the handle to draw a sample. Read the concentration directly from the tube’s color change scale. Follow GASTEC’s instructions for accurate results.
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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