gases and hydrocarbons from piping and/or appliances (natural gas, methane, propane, butane, LPG, etc.) The 7899 leak detection tool’s features include auto zero-drift adjustment; large visual LCD and bar graph display; audio alarm; hold function; and readings in ppm, percent vol, percent LEL. The tool has a range of 0 to 10,000 ppm and a quick response time. The tool has an 11-inch fully flexible probe for hard-to-reach places.E Instruments International; 215-750-1212; www.e-inst.com
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