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$188.79
$199.99
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
19
Free shipping
$188.79
$199.99
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
19
$160.85
Extech Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: EC400
Grainger
431
$160.85
Extech Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: EC400
Grainger
431
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
148
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
148
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
$336.59
Lamotte Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 1766
Grainger
$336.59
Lamotte Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 1766
Grainger
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
148
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
148
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
822
Free shipping
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
822
$1,719.00
Solinst Model 107 Temperature Level & Conductivity Meter Series, 150 Meters - 114805
Activated Carbon Depot
$1,719.00
Solinst Model 107 Temperature Level & Conductivity Meter Series, 150 Meters - 114805
Activated Carbon Depot
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.com
41
Free shipping
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.com
41
$332.23
Oakton Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 3563460
Grainger
$332.23
Oakton Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 3563460
Grainger
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
414
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
414
$187.00
Hach Pocket Pro High Range Water Conductivity Meter Tester 9531500
Core & Main
$187.00
Hach Pocket Pro High Range Water Conductivity Meter Tester 9531500
Core & Main
$133.19
Conductivity Tester, Ultra Pure Water
Thomas Scientific
$133.19
Conductivity Tester, Ultra Pure Water
Thomas Scientific
$104.00
Bluelab TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester In Water (Scales Include: EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System
Amazon.com
1K+
Free shipping
$104.00
Bluelab TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester In Water (Scales Include: EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System
Amazon.com
1K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$140.98
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: WD-35462-11
Grainger
1
$140.98
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: WD-35462-11
Grainger
1
$3.76
Meter Digital Water Tester, Water Quality Tester, Accurate TDS Water Meter Fast And Easy Water Test, TDS Meter EC Meter Temperature Meter For Drinking
Amazon.com
$3.76
Meter Digital Water Tester, Water Quality Tester, Accurate TDS Water Meter Fast And Easy Water Test, TDS Meter EC Meter Temperature Meter For Drinking
Amazon.com
$274.51
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: 3563442
Grainger
$274.51
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: 3563442
Grainger
$216.00
Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
The Lab Depot
$216.00
Elite Ph/Conductivity/TDS/Salinity Pocket Tester, Thermo Orion - ELITEPCTS
The Lab Depot
$215.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
49
Free shipping
$215.00
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
49
$69.85
$93.67
Bluelab PENCON Conductivity Pen And Digital TDS Meter, Water Tester For Temperature And Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit For Hydroponic System And Indoor Plant Grow Pack Of 2
shedfriends
25% off
$69.85
$93.67
Bluelab PENCON Conductivity Pen And Digital TDS Meter, Water Tester For Temperature And Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit For Hydroponic System And Indoor Plant Grow Pack Of 2
shedfriends
$375.00
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
708
Free shipping
$375.00
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
708
$170.00
Elite Conductivity/TDS/Salinity Pocket Tester With Pin Sensor, Thermo Orion - ELITECTSPIN
The Lab Depot
$170.00
Elite Conductivity/TDS/Salinity Pocket Tester With Pin Sensor, Thermo Orion - ELITECTSPIN
The Lab Depot
$279.99
Bluelab Combo Meter For Ph, Temperature & Conductivity In Water - Easy Calibration, Digital EC/TDS/PPM Tester For Hydroponics & Indoor Plants (METCOM)
Amazon.com
958
Free shipping
$279.99
Bluelab Combo Meter For Ph, Temperature & Conductivity In Water - Easy Calibration, Digital EC/TDS/PPM Tester For Hydroponics & Indoor Plants (METCOM)
Amazon.com
958
$170.00
Elite Conductivity/TDS/Salinity Pocket Tester With Cup Sensor, Thermo Orion - ELITECTSCUP
The Lab Depot
$170.00
Elite Conductivity/TDS/Salinity Pocket Tester With Cup Sensor, Thermo Orion - ELITECTSCUP
The Lab Depot
$288.89
Bluelab METCOMPLUS Combo Meter Plus For Ph, Temperature, And Conductivity In Water And Soil With Easy Calibration, Digital Nutrient (TDS/PPM) Testing
Amazon.com
69
Free shipping
$288.89
Bluelab METCOMPLUS Combo Meter Plus For Ph, Temperature, And Conductivity In Water And Soil With Easy Calibration, Digital Nutrient (TDS/PPM) Testing
Amazon.com
69
$347.12
OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
Globaltestsupply.com
$347.12
OAKTON 35660-38 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter
Globaltestsupply.com
$268.00
Extech EC400 Exstik Conductivity/TDS/Salinity Meter - ( Min. Purchase Quantity Is 2 )
Global Industrial
431
$268.00
Extech EC400 Exstik Conductivity/TDS/Salinity Meter - ( Min. Purchase Quantity Is 2 )
Global Industrial
431
$238.00
Environmental Express Oakton Ctstestr 50P Pin-Style Waterproof Pocket Conductivity/TDS/Salinity Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$238.00
Environmental Express Oakton Ctstestr 50P Pin-Style Waterproof Pocket Conductivity/TDS/Salinity Tester, Premium 50 Series | Cole-Parmer
Cole-Parmer
$508.08
OAKTON 35660-14 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter Kit
Globaltestsupply.com
$508.08
OAKTON 35660-14 EC250 Waterproof Conductivity, TDS, Resistivity, And Salinity Handheld Meter Kit
Globaltestsupply.com
$60.00
Milwaukee EC59 - PRO Waterproof 3-In-1 Conductivity/TDS & Temperature Tester W/ Replaceable Probe
TEquipment
$60.00
Milwaukee EC59 - PRO Waterproof 3-In-1 Conductivity/TDS & Temperature Tester W/ Replaceable Probe
TEquipment
$22.99
UIUZMAR Ph EC Meter For Water Hydroponics PPM And Ph Meter For Nutrients Measure Ph PPM Conductivity Temperature DWC PH And EC PPM Water Tester For
Amazon.com
27
$22.99
UIUZMAR Ph EC Meter For Water Hydroponics PPM And Ph Meter For Nutrients Measure Ph PPM Conductivity Temperature DWC PH And EC PPM Water Tester For
Amazon.com
27
$954.00
Oakton WD-35607-32 Water Quality Meters-Conductivity / Salinity, 35607-32
TEquipment
$954.00
Oakton WD-35607-32 Water Quality Meters-Conductivity / Salinity, 35607-32
TEquipment
$104.60
Environmental Express Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
Cole-Parmer
$104.60
Environmental Express Oakton Ecotestr CTS1 Pocket Conductivity, Salinity, And TDS Meter | Cole-Parmer
Cole-Parmer
$238.00
Oakton WD-35634-55 Ctstestr 50P Pin Style Waterproof Pocket Conductivity/TDS/Salinity Tester, 35634-55
TEquipment
$238.00
Oakton WD-35634-55 Ctstestr 50P Pin Style Waterproof Pocket Conductivity/TDS/Salinity Tester, 35634-55
TEquipment
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Shop water conductivity test

Sponsored
About our ads
$188.79
$199.99
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
19
Free shipping
$188.79
$199.99
Myron L 575405 L PT1 Myronl ULTRAPEN Conductivity Tester - +/- 1%
Amazon.com
19
$160.85
Extech Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: EC400
Grainger
431
$160.85
Extech Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: EC400
Grainger
431
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$315.88
Extech Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC500
Grainger
430
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
148
$346.43
Extech Pocket Multiparameter Meter Kit: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: EC510
Grainger
148
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
Free shipping
$134.00
Extech EC400 Exstik Waterproof Conductivity, TDS, Salinity, And Temperature Meter
Amazon.com
136
$336.59
Lamotte Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 1766
Grainger
$336.59
Lamotte Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 1766
Grainger
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
148
$176.96
Extech Pocket Multiparameter Meter: Conductivity/Temp/Total Dissolved Solids, 0 Us/Cm To 1,999 Us/Cm Model: EC150
Grainger
148
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
822
Free shipping
$129.50
APERA INSTRUMENTS AI316 Premium Series PC60 5-In-1 Waterproof Ph/EC (Conductivity) /TDS (Ppm) /Salinity (Ppt) /Temp. Multi-Parameter Pocket Tester Kit
Amazon.com
822
$1,719.00
Solinst Model 107 Temperature Level & Conductivity Meter Series, 150 Meters - 114805
Activated Carbon Depot
$1,719.00
Solinst Model 107 Temperature Level & Conductivity Meter Series, 150 Meters - 114805
Activated Carbon Depot
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.com
41
Free shipping
$438.99
Sper Scientific Turbidity Meter, Water Quality Tester, Portable Water Quality Meter For Field And Lab, Turbidimeter For Water Test With Carry Case (
Amazon.com
41
$332.23
Oakton Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 3563460
Grainger
$332.23
Oakton Pocket Multiparameter Meter: Conductivity/Ph/Salinity/Temp/Total Dissolved Solids Model: 3563460
Grainger
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
414
$18.99
APEC TDS Meter Digital Water Quality TDS Test Kit Meter With Carrying Case, 0 To 1999 Ppm Measurement Range, 1 Ppm Resolution, +/- 2% Readout Accuracy
Amazon.com
414
$187.00
Hach Pocket Pro High Range Water Conductivity Meter Tester 9531500
Core & Main
$187.00
Hach Pocket Pro High Range Water Conductivity Meter Tester 9531500
Core & Main
$133.19
Conductivity Tester, Ultra Pure Water
Thomas Scientific
$133.19
Conductivity Tester, Ultra Pure Water
Thomas Scientific
$104.00
Bluelab TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester In Water (Scales Include: EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System
Amazon.com
1K+
Free shipping
$104.00
Bluelab TRUNV2 Truncheon Nutrient Meter, Digital Conductivity Tester In Water (Scales Include: EC, 500, Ppm 700, CF, TDS) Tool For Hydroponic System
Amazon.com
1K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$9.99
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing Kits For Drinking Water Quality, Tap, Well,
Amazon.com
2K+
$140.98
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: WD-35462-11
Grainger
1
$140.98
Oakton Pocket Multiparameter Meter: Conductivity/Salinity/Temp/Total Dissolved Solids Model: WD-35462-11
Grainger
1
$3.76
Meter Digital Water Tester, Water Quality Tester, Accurate TDS Water Meter Fast And Easy Water Test, TDS Meter EC Meter Temperature Meter For Drinking
Amazon.com
$3.76
Meter Digital Water Tester, Water Quality Tester, Accurate TDS Water Meter Fast And Easy Water Test, TDS Meter EC Meter Temperature Meter For Drinking
Amazon.com