REED R9300 Combustible Gas Leak Detector


This combustible gas leak detector is capable of detecting a number of gases including: natural gas, methane, benzene, ethane, propane, butane, acetone, alcohol, ammonia, gasoline, jet fuel, industrial solvents, lacquer, paint thinner and naptha. The R9300 is alarm is set at 10% (LEL) for methane.


  • Detects a wide range of combustible gases including: gasoline, propane, natural gas and fuel oil
  • High sensitivity detects small leaks
  • Designed for one-handed operation
  • 16" (406mm) gooseneck for hard to reach areas
  • User adjustable sensitivity wheel
  • Alarm set at 10% LEL for methane
  • Earphone jack for loud environments (earphones sold separately)
  • Tricolor visual indicator
  • Audible (variable tick rate) and visual (LED) alarm indicators
  • User replaceable sensor


Detected Gases Methane, Natural Gas, Benzene, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Gasoline, Jet Fuel, Industrial Solvents, Lacquer, Paint Thinner, Naptha
Sensitivity 50ppm (methane)
General Specifications
Sensor Type Heated semiconductor gas sensor
Alarm Audible (buzzer) and Visual (LED indicator)
Alarm Limit Set at 10% LEL for Methane (Can be calibrated for other concentrations or gases up to 40% LEL)
Sensitivity Settings Adjustable Wheel
Warm-up Time Approx. 5 mins
Response Time Less than 2 seconds
Earphone Jack Yes
Power Supply 3 C Batteries
Battery Life Approx. 8 hours
Product Certifications CE
Probe Length 16" (406mm)
Operating Temperature 32 to 122°F (0 to 50°C)
Storage Temperature 14 to 140°F (-10 to 60°C)
Operating Humidity Range 10-90%
Dimensions 8.7 x 2.8 x 1.8" (221 x 72 x 46mm)
Weight 18.4 oz (520g)