Combining micro preconcentrator, micro GC column, and photoionization detector, Frog-4000 can be used as portable GC PID for environmental testing in field, mobile lab, portable lab, or commercial environmental lab. Display screen provides chromatogram of VOC identification and concentration in PPB of analyte. SD cards store field analyses with chromatography software for data analyses. Operating for 6 hr on rechargeable battery, handheld analyzer includes RS-232 or USB port.
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