Easy to operate, use and carry, GfGâ€™s G 650 is well-suited for both confined space safety and for work in an open area. The portable gas monitor detects up to six gases simultaneously, protecting from hundreds of unknown toxic gases utilizing a broadrange sensor. Features include AutoCalÂ® calibration, extended battery life, internal pumps and accessories. GfG Instrumentation, Ann Arbor, MI.
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