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    $269.99
    Hanna Ph/EC/TDS/Temperature Meter With HI1285-51 Electrode EC Range: 0 To 6000 Μs/Cm, TDS Range: 0 To 3000 Ppm (Mg/L) - HI9811-51
    Hanna Instruments
    $269.99
    Hanna Ph/EC/TDS/Temperature Meter With HI1285-51 Electrode EC Range: 0 To 6000 Μs/Cm, TDS Range: 0 To 3000 Ppm (Mg/L) - HI9811-51
    Hanna Instruments
    $269.99
    Hanna Ph/EC/TDS/Temperature Portable Meter, Range: Ph 0.0 To 14.0 Ph EC 0.00 To 4.00 Ms/Cm TDS 0 To 1999 Ppm (Mg/L) - HI9813-51
    Hanna Instruments
    $269.99
    Hanna Ph/EC/TDS/Temperature Portable Meter, Range: Ph 0.0 To 14.0 Ph EC 0.00 To 4.00 Ms/Cm TDS 0 To 1999 Ppm (Mg/L) - HI9813-51
    Hanna Instruments
    $279.99
    Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
    Hanna Instruments
    $279.99
    Hanna Ph/EC/TDS/Temperature Meter With CAL Check - HI9813-61
    Hanna Instruments
    $160.00
    Elite Conductivity/TDS/Salinity Pocket Tester With Pin Sensor, Thermo Orion - ELITECTSPIN
    The Lab Depot
    $160.00
    Elite Conductivity/TDS/Salinity Pocket Tester With Pin Sensor, Thermo Orion - ELITECTSPIN
    The Lab Depot
    $399.00
    Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
    Amazon.com
    749
    Free shipping
    $399.00
    Bluelab Guardian Monitor Wi-Fi For Real-Time Ph, Temperature, And Conductivity (TDS) Measurements In Water With Calibration, 3 in 1 Digital Nutrient
    Amazon.com
    $203.00
    Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
    The Lab Depot
    $203.00
    Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
    The Lab Depot
    $16.64
    4-In-1 PH Meter PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor With Backlight Digital Water Quality Monitoring Tester
    Temu US
    13
    $16.64
    4-In-1 PH Meter PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor With Backlight Digital Water Quality Monitoring Tester
    Temu US
    $457.00
    Myron L Ultrapen Conductivity, TDS, Salinity Tester With Bluetooth PTBT1
    Cannon Water Technology
    $457.00
    Myron L Ultrapen Conductivity, TDS, Salinity Tester With Bluetooth PTBT1
    Cannon Water Technology
    $13.72
    4-In-1 PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor, Suitable For Swimming Pools, Drinking Water, And Aquariums.
    Temu US
    352
    $13.72
    4-In-1 PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor, Suitable For Swimming Pools, Drinking Water, And Aquariums.
    Temu US
    $390.00
    Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
    Sper Direct
    $390.00
    Benchtop Conductivity/Salinity/TDS Water Quality Meter With USB/SD Datalogging
    Sper Direct
    $649.00
    Industrial Conductivity, TDS, Salinity, Resistivity Meter
    Sper Direct
    $649.00
    Industrial Conductivity, TDS, Salinity, Resistivity Meter
    Sper Direct
    $16.58
    4-In-1 PH Meter PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor With Backlight Digital Water Quality Monitoring Tester
    Temu US
    13
    $16.58
    4-In-1 PH Meter PH/ TDS/ EC/ Thermometer Digital Water Quality Monitor With Backlight Digital Water Quality Monitoring Tester
    Temu US
    $368.50
    Myron L 0-10,000 Ppm With DS TDS Meter 512T10
    Cannon Water Technology
    $368.50
    Myron L 0-10,000 Ppm With DS TDS Meter 512T10
    Cannon Water Technology
    $469.99
    Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
    Agriculture Solutions LLC
    $469.99
    Waterproof, Multi-Range EC And TDS Meters With ATC For Field App
    Agriculture Solutions LLC
    $892.00
    Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
    Amazon.com
    5
    Free shipping
    $892.00
    Myron L 4PII Conductivity, Resistivity, TDS, Temperature Meter
    Amazon.com
    $181.00
    Hach Pocket Pro High Range TDS Tester 9531300
    Core & Main
    $181.00
    Hach Pocket Pro High Range TDS Tester 9531300
    Core & Main
    $100.50
    Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
    Cole-Parmer
    $100.50
    Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
    Cole-Parmer
    $102.27
    Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch Of EC/TDS/Salinity,
    Amazon.com
    218
    Free shipping
    $102.27
    Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch Of EC/TDS/Salinity,
    Amazon.com

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