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Gas Sentry¨
Reliable, Lightweight Multigas Detectors

Picture of CGC-301

Accurate, reliable, field-proven from Siberia to South America



The Gas-Sentry®, developed with support from the Gas Research Institute (GRI), is a microprocessor-based, intrinsically safe detector for natural gas and, when equipped with appropriate sensors, for carbon monoxide and oxygen.

Working Features

  • Measurements over the range of gas from 100 ppm to 100% gas
  • A calibrated Track Gas scale with quick response displays in 0.01% gas intervals
  • Easy to use: one selector switch sets scale
  • Audible and visual alarms for all monitored gases
  • Click to read more about the Sentry's special features


  • Bright, highly efficient LED display readable at 20 feet
  • Leatherette "carry-all" accomodates instrument and probes
  • Special filters for flue gas testing and for hydrocarbons
  • A tough package weighing only 20 oz

Bottom Line

A reliable, accurate, highly portable gas detector specifically designed for service personnel


Gas Sentry - Portable Gas Detector Models and SpecificationsModels and Specifications - PDF

Gas Sentry - Portable Gas Detector Short GuideShort guide (abbreviated operating manual) - PDF

Material Safety Data Sheets

Accessories for Portable Gas Detectors

Calibration Equipment
¥ Docking Stations
¥ Calibration Gases
Probes & Hoses
¥ Bar Hole Probes
¥ Gooseneck Probes
¥ Hoses
Other Accessories
¥ Filters
¥ Sensors
¥ Carrying Cases

© Copyright 2008-2012 Bascom-Turner Instruments, Inc. - All Rights Reserved.