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    $250.68
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
    Grainger
    272
    $250.68
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
    Grainger
    $254.48
    Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
    Grainger
    $254.48
    Extech Ph Meter: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points, Mv/Ph/Temp Model: PH220-C
    Grainger
    $195.60
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
    Grainger
    $195.60
    Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH100
    Grainger
    $256.44
    Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
    Amazon.com
    153
    Free shipping
    $256.44
    Apera Instruments, LLC-AI501 PH700 Benchtop Lab Ph Meter, 0.01 Ph Accuracy, 1-3 Points Auto Calibration, 3-In-1 Ph/Temp. Electrode
    Amazon.com
    $201.00
    Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
    Amazon.com
    Free shipping
    $201.00
    Hach Pocket Pro Ph Tester, Ph Meter For Water Analysis Ph & Temp Testing, Large LCD Screen, Replaceable Batteries, Built-In Diagnostics, 9531000
    Amazon.com
    $2,166.67
    $2,650.00
    Thermo Scientific Orion Dual Star 2115001, Orion Dual Star PH/ISE Meter PH Kit, 2115001
    TEquipment
    18% off
    $2,166.67
    $2,650.00
    Thermo Scientific Orion Dual Star 2115001, Orion Dual Star PH/ISE Meter PH Kit, 2115001
    TEquipment
    $219.00
    Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
    Amazon.com
    Free shipping
    $219.00
    Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
    Amazon.com
    $1,471.70
    $1,800.00
    Thermo Scientific Orion Star A2116, Orion Star A211 PH Benchtop Meter Durable Electrode Kit, STARA2116
    TEquipment
    18% off
    $1,471.70
    $1,800.00
    Thermo Scientific Orion Star A2116, Orion Star A211 PH Benchtop Meter Durable Electrode Kit, STARA2116
    TEquipment
    $216.00
    Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
    The Lab Depot
    30-day returns (most items)
    $216.00
    Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
    The Lab Depot
    $1,749.69
    $2,140.00
    Thermo Scientific Orion Star A2150 - Orion Star A215 PH/Conductivity Benchtop Meter, STARA2150
    TEquipment
    18% off
    $1,749.69
    $2,140.00
    Thermo Scientific Orion Star A2150 - Orion Star A215 PH/Conductivity Benchtop Meter, STARA2150
    TEquipment
    $768.99
    Oakton Instruments PH 700 Benchtop Meter - METER, PH 700, WITH PROBE - WD-35419-03 - 1 Each / Each
    Grayline Medical
    $768.99
    Oakton Instruments PH 700 Benchtop Meter - METER, PH 700, WITH PROBE - WD-35419-03 - 1 Each / Each
    Grayline Medical
    $194.99
    Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
    Agriculture Solutions LLC
    $194.99
    Kelway Calibrating Acidity Testing Meter For Soil (3.5 To 8 Ph)
    Agriculture Solutions LLC
    $464.65
    OAKTON PH 700 Benchtop Ph Meter And Electrode Holder
    Globaltestsupply.com
    $464.65
    OAKTON PH 700 Benchtop Ph Meter And Electrode Holder
    Globaltestsupply.com
    $737.99
    Oakton Instruments Waterproof Ph 450 Meter - METER, PH 450 - WD-35618-32 - 1 Each / Each
    Grayline Medical
    15-day returns (most items)
    $737.99
    Oakton Instruments Waterproof Ph 450 Meter - METER, PH 450 - WD-35618-32 - 1 Each / Each
    Grayline Medical
    $1,106.99
    Oakton Instruments Waterproof Ph 450 Meter - KIT, METER, PH 450, PRECALIBRATED - WD-35618-91 - 1 Each / Each
    Grayline Medical
    $1,106.99
    Oakton Instruments Waterproof Ph 450 Meter - KIT, METER, PH 450, PRECALIBRATED - WD-35618-91 - 1 Each / Each
    Grayline Medical
    $1,121.28
    OAKTON PH 450 Ph Meter And Electrode With Calibration
    Globaltestsupply.com
    $1,121.28
    OAKTON PH 450 Ph Meter And Electrode With Calibration
    Globaltestsupply.com
    $4,230.00
    Orion Dual Star Ph/ISE Meter Ph & Chloride Kit, Thermo Orion - 2115202
    The Lab Depot
    $4,230.00
    Orion Dual Star Ph/ISE Meter Ph & Chloride Kit, Thermo Orion - 2115202
    The Lab Depot
    $1,266.79
    $1,506.39
    Ohaus ST5000-F Ph Meter
    Marshall Scientific
    15% off
    $1,266.79
    $1,506.39
    Ohaus ST5000-F Ph Meter
    Marshall Scientific