GFG G450 Confined Space Gas Detector — Major Safety Skip to content

GFG G450 Confined Space Gas Detector

by GFG
SKU G450-11410
Sale Sale
Original price $960.00
Original price $960.00 - Original price $1,055.00
Original price $960.00
Current price $825.00
$825.00 - $905.00
Current price $825.00

This confined space manhole gas detector is a beast and a work horse. Incredibly durable and made with top notch German engineering. The instrument comes with a full 3 year warranty. This means a super low cost of ownership. It is incredibly easy to use and has a beautiful display.

The G450 comes in both an alkaline battery and a rechargeable battery version. Choose the best option for you. The most popular is alkaline for convenience. The alkaline version is what comes in our popular CSK-F-G4-A contractor confined space kit.

And of course, Purchase Price Includes Certified Calibration from our Lab - $85 value!


  • One-button operation
  • 3 Year Warranty
  • Operation time up to 24 hours
  • Alkaline version runs on 2 "AA" alkaline batteries
  • Unique top-mounted display (which is reversible)
  • Detects Oxygen (O2), Combustible Gases (LEL), Hydrogen Sulfide (H2S), Carbon Monoxide (CO)
  • H2S sensor complies with latest TLV requirements with its 0.1 ppm range.
  • Remote sampling obtained by lowering instrument into space via rope
  • Water resistant design - IP-67 Rated
  • Dimensions: 2.95" x 4.33" x 2.17"
  • Auto-Cal (Calibration kit required - of course)

It's perfectly fine to tie a rope to the G450 and lower down into the space for a remote sample. However, the G400 smart pump, if desired, is also available: Click Here.


Note: If you want to calibrate this monitor yourself--Click Here for Calibration Kit