Aquaculture & Hatchery Water Quality Meters

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    Dissolved oxygen first, then everything else: optical DO meters and handhelds built for tanks, ponds and raceways, salinity and pH testers, continuous DO probes with Modbus output, and multiparameter sondes for pond profiling.

    20 products
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    Oakton PCTS Testr™ 50
    $330.00
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    Global Water WQ101 submersible temperature sensor (Open Water)
    Global Water WQ101 Online temperature sensor with PVC pressure-pipe housing
    WQ101 Temperature Sensor (Submersible)
    from $717.00
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    Global Water Water Quality Sensors
    $273.00 from $259.35 Save $13.65
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    Myron L UltrapenX2 PTBT5 Bluetooth dissolved oxygen pen tester
    Myron L UltrapenX2 PTBT5 Bluetooth Dissolved Oxygen Pen
    $695.50 $660.73 Save $34.77
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    Myron L UltrapenX2 PTBT1 Bluetooth conductivity, TDS and salinity pen tester
    Myron L UltrapenX2 PTBT1 Bluetooth Conductivity / TDS / Salinity Pen
    $480.00 $456.00 Save $24.00
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    Myron L Ultrapen PT5 dissolved oxygen and temperature pocket tester pen
    Myron L Ultrapen PT5 Dissolved Oxygen (DO) & Temperature Pen
    $473.00
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    HORIBA LAQUAtwin Salt-22 sodium ion salt pocket meter
    HORIBA LAQUAtwin salt pocket meter closed
    Horiba LAQUAtwin Salt Pocket Meter
    $173.00 from $164.35 Save $8.65
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    Hanna HI9147 portable galvanic dissolved oxygen meter for aquaculture
    Hanna HI9147-04 Dissolved Oxygen Meter for Aquaculture
    $689.99 $655.49 Save $34.50
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    Seametrics DO2 dissolved oxygen sensor
    Seametrics DO2 Dissolved Oxygen Sensor
    $5,564.11
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    WTW CellOx 325 galvanic dissolved oxygen sensor
    WTW CellOx® 325 Dissolved Oxygen Sensor (Analog)
    $1,300.00
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    Aqua TROLL 600, Sonde Only
    Aqua TROLL 600, Sonde Only Vertical
    In-Situ Aqua TROLL 600
    from $10,018.00
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    Aqua TROLL 500, Sonde Only
    Aqua TROLL 500 with Cable Attached
    In-Situ Aqua TROLL 500
    from $7,833.00
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    YSI ODO RTU ODO/CT probe assembly with conductivity
    YSI ODO RTU flying lead cable end
    YSI ODO RTU Probe Assembly with Conductivity (DO + CT, Modbus/RS-485)
    from $1,545.00
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    YSI ODO RTU ODO/T probe assembly
    YSI ODO RTU flying lead cable end
    YSI ODO RTU Probe Assembly (DO + Temperature, Modbus/RS-485)
    from $926.00
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    YSI ProSolo handheld optical dissolved oxygen meter
    YSI ProSolo Handheld
    from $1,075.00
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    YSI Pro20i dissolved oxygen meter with integral cable
    YSI PRO Series 20i - Dissolved Oxygen Meter (Integral Cable Kit)
    from $1,167.00
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    YSI Pro2030 dissolved oxygen and conductivity handheld water quality meter
    YSI PRO Series 2030 - Dissolved Oxygen, Conductivity Meter
    from $1,110.00
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    YSI Pro20 dissolved oxygen handheld water quality meter
    YSI PRO Series 20 - Dissolved Oxygen Meter
    $366.00 from $347.70 Save $18.30
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    Myron L ULTRAPEN PT1 conductivity, TDS and salinity pocket tester pen
    Myron L ULTRAPEN PT1 Conductivity / TDS / Salinity Pen Tester
    $235.50
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    Hanna 9142 Portable Dissolved Oxygen Meter
    $689.99 $653.97 Save $36.02