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 contractor confined space kit.

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

Features:

• 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: .