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 GasesMethane, Natural Gas, Benzene, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Gasoline, Jet Fuel, Industrial Solvents, Lacquer, Paint Thinner, Naptha
Sensitivity50ppm (methane)
General Specifications
Sensor TypeHeated semiconductor gas sensor
AlarmAudible (buzzer) and Visual (LED indicator)
Alarm LimitSet at 10% LEL for Methane (Can be calibrated for other concentrations or gases up to 40% LEL)
Sensitivity SettingsAdjustable Wheel
Warm-up TimeApprox. 5 mins
Response TimeLess than 2 seconds
Earphone JackYes
Power Supply3 C Batteries
Battery LifeApprox. 8 hours
Product CertificationsCE
Probe Length16" (406mm)
Operating Temperature32 to 122°F (0 to 50°C)
Storage Temperature14 to 140°F (-10 to 60°C)
Operating Humidity Range10-90%
Dimensions8.7 x 2.8 x 1.8" (221 x 72 x 46mm)
Weight18.4 oz (520g)