GASTEC Detector Tube: GASTEC GV-100, N2H4, Gas Detection Tube, Hydrazine ( N2H4 )
The GASTEC Detector Tube (MPN 185) is a hydrazine (N2H4) gas detection tube for use with GASTEC GV-100 and GV-110 pumps, supplied in a 10-pack. It detects hydrazine across a measurement range of 0.04 to 2 ppm.
SKU 3G-OTH-553143
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Product Description
The GASTEC Detector Tube (MPN 185) is a hydrazine (N2H4) gas detection tube for use with GASTEC GV-100 and GV-110 pumps, supplied in a 10-pack. It detects hydrazine across a measurement range of 0.04 to 2 ppm.
Frequently Asked Questions
What is the GASTEC Detector Tube 185 used for?
The GASTEC Detector Tube 185 detects hydrazine (N2H4) gas in industrial environments. It is used with GASTEC GV-100 or GV-110 pumps to measure hydrazine concentrations from 0.04 to 2 ppm, supporting safety monitoring in chemical processing, aerospace, and power generation applications.
What are the specifications of the GASTEC Detector Tube 185?
The GASTEC Detector Tube 185 detects hydrazine (N2H4) gas with a measurement range of 0.04 to 2 ppm. It is designed for use with GASTEC GV-100 and GV-110 pumps and is supplied in a 10-pack. The manufacturer part number is 185.
Where to buy GASTEC Detector Tube 185 worldwide?
3G Electric supplies the GASTEC Detector Tube 185 worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order this hydrazine detection tube for use with GASTEC GV-100 or GV-110 pumps.
How to use the GASTEC Detector Tube 185 with a GV-100 pump?
To use the GASTEC Detector Tube 185, break both tips of the tube, insert it into the GASTEC GV-100 or GV-110 pump inlet, and pull the handle to draw a sample. Follow the pump stroke count and time specified on the tube label. Read the concentration directly from the tube's colorimetric scale.
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.









