General Description The 720b is an advanced state-of-the-art leak detector capable of detecting many combustible, noncombustible and toxic gases. The following is a partial list of gases that the 720b is sensitive to: Acetone, Alcohol, Ammonia, Steam, Carbon Monoxide*, Butane, Gasoline, Jet Fuel, Hydrogen Sulfide, Smoke, Industrial Solvents, Methane, Lacquer Thinner, Naphtha, Propane, Natural Gas.
wheel in a clockwise direction until a uniform ticking sound is heard. The RED light will flash at the same time the tick sounds. 4. Approach suspected leak areas with the sensor until the tick begins to increase. When the tick increases, do not move the sensor from the area, rotate the TICK ADJUST slightly counterclock- wise to slow the ticking and continue to...
negative (-) end of the batteries in first. 3. Replace the battery cover by sliding the door into the slots provided in the handle and allow it to snap into place. 4. For best performance use quality alkaline batteries. Operation Check To verify the operation of the 720b simply turn the unit on and allow it to warm up for approxi- mately 1 minute.
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Your TPI 720b is warranted to be free from defects in materials and workmanship for a peri- od of one year after purchase (excluding sensor, calibration and batteries). If within the warranty period your instrument should become inopera- tive from such defects, the unit will be repaired or replaced at our option.
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