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accurately and inexpensively throughout a variety of applications
English instruction manual
3V Lithium battery lasts for 2000 hours in continuous use
it will measure the Refractive Index of faceted stones
minimum and average values are included in this meter
GD-7291 Precision Combustible Methane Propane Gas Leak Detector Electrode (pH / ORP) accurately and inexpensively throughout aThis highly reliable Gas Leak Detector is ideal for Industrial uses such as in gas furnaces and plant maintenance. This affordable, reliable and simple to use portable unit is quick in locating gas leaks. Capable of detecting both propane and methane to high accuracy. A 5 level LED leak alarm and audible beep mean you are constantly updated on the level of gas detected. As a combustible gas or vapor source is approached, an audible signal (ticking
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