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    QIWEI PHS-3CW pH Meter Benchtop manual temperature compensation Data storage
    QIWEI PHS-3CW pH Meter Benchtop manual temperature compensation Data storage
    $149.00
    QIWEI PHS-3DW pH Meter Benchtop acidity Meter, automatic temperature compensation Data storage
    QIWEI PHS-3DW pH Meter Benchtop acidity Meter, automatic temperature compensation Data storage
    $192.00
    QIWEI PHS-3E pH Meter Benchtop Measurement range -2~ 18pH automatic temperature compensation
    QIWEI PHS-3E pH Meter Benchtop Measurement range -2~ 18pH automatic temperature compensation
    $208.00
    QIWEI PHB-5 pH Meter Portable Microcomputer E201-C Composite ElectRode
    QIWEI PHB-5 pH Meter Portable Microcomputer E201-C Composite ElectRode
    $106.00
    QIWEI PH-20 pH Meter pen acidity Meter, three point calibrated built-in ElectRode portable
    QIWEI PH-20 pH Meter pen acidity Meter, three point calibrated built-in ElectRode portable
    $100.00
    QIWEI PH-20W pH Meter pen acidity Meter, three point calibrated portable measurement
    QIWEI PH-20W pH Meter pen acidity Meter, three point calibrated portable measurement
    $106.00
    QIWEI PH-20B Pen Acidity Meter, Portable pH Meter Three point calibrated
    QIWEI PH-20B Pen Acidity Meter, Portable pH Meter Three point calibrated
    $101.00
    QIWEI PH-220B Pen acidity Meter pH Meter microprocessor control three point calibrating
    QIWEI PH-220B Pen acidity Meter pH Meter microprocessor control three point calibrating
    $106.00