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Gas Rover
Gas Explorer
Gas Ranger
Gas Sentry
Probes & Hoses

Rugged, All-weather Gas Detectors


All Ranger models are now available for purchase through our online store



The Gas-Ranger™ portable methane, and combined methane, carbon monoxide, hydrogen sulfide and oxygen detectors are intrinsically safe, microprocessor-based instruments designed to test ambient air and flue gas over a wide temperature range.


Working Features

  • Measurements over the range of gas from 50 ppm to 100% gas
  • A calibrated Track Gas scale with quick response displays in 50 ppm intervals
  • Bar Holing: Peak and sustained readings after a fixed time
  • High speed pump: High speed pump for fast bar holing
  • Visual and audible alarms for all monitored gases


  • High-impact Xenoy Alloy case for tough environments
  • O-ring sealed construction for maximum weather protection
  • Bright, highly efficient LED display readable at 20 feet
  • Easy to use: a single selector switch sets mode and scale

Bottom Line

A rugged, reliable, easy-to-use detector for construction crews and other gas-utility personnel.



Gas Ranger - Portable Gas Detector Models and Specifications Models and Specifications - PDF

Gas Ranger - Portable Gas Detector Short Guide Short guide (abbreviated operating manual) - PDF

Gas Ranger - Portable Gas Detector Short Guide How Bascom-Turner Natural Gas Sensors Work - PDF

Material Safety Data Sheets

Accessories for Portable Gas Detectors

Calibration Equipment
Docking Stations
Calibration Gases
Probes & Hoses
Bar Hole Probes
Gooseneck Probes
Other Accessories

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