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Lot of 5 CORNING PS-30 pH SENSOR with CHEK-MITE 476453 ELECTRODES :
$199.99
Lot of 5 CORNING PS-30 pH SENSOR with CHEK-MITE 476453 ELECTRODES
They are all used from a local school\'s chem lab purchased at a surplus sale. All turn on, one unit does not fully shut off (just dims the display). Not sure if they function fully or will need calibration and/or new electrodes. Being sold as is.
