User's Guide EzFlex™ Combustible Gas Leak Detector Model EZ40
Introduction Congratulations on your purchase of the Extech EZ40 Combustible Gas Leak Detector. The EZ40 detects the presence of combustible gas and nuisance vapors (Natural Gas, Methane, Ethane, Propane, Butane, Acetone, Alcohol, Ammonia, Steam, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Lacquer Thinner, Naphtha) in concentrations as low as 10% LEL for Methane and alerts the user with audible and visual alarms.
Operation WARNING! Always turn the meter on in an atmosphere free of combustible gas. Read and understand this manual before using the meter. Do not replace the batteries in an explosive atmosphere. Frequently check meter operation using an unlit gas burner or lighter Warm-up 1. In a gas free atmosphere, slide the ON/OFF switch to the right to power on the detector. 2. Hold the EZ40 in the clean ambient air during its 5 minute (typical) warm-up, self-zero cycle. 3.
Maintenance Caution! Storing in a damp environment will damage the sensor! Battery Replacement If the green READY LED flashes or does not illuminate, the batteries need to be replaced. The battery compartment is located at the rear of the EZ40. Replace the three “C” batteries by sliding the battery compartment door and accessing the battery compartment. Ensure that the compartment cover is securely fastened when finished. Cleaning and Storage Wipe the meter only with a damp cloth as needed.
Support Hotline (781) 890-7440 Tech support: Ext. 200; Email: support@extech.com Repair/Returns: Ext. 210; Email: repair@extech.com Product specifications subject to change without notice For the latest version of this User’s Guide, Software updates, and other up-to-the-minute product information, visit our website: www.extech.com Extech Instruments Corporation, 285 Bear Hill Rd.