Shop Best Waterproof Ph Tester

Sponsored
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$119.99
Pen Ph Meter W/ ATC And Temperature Display (0.01 Ph)
School Outfitters
$119.99
Pen Ph Meter W/ ATC And Temperature Display (0.01 Ph)
School Outfitters
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
Free shipping
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
$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
1
$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
1
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
22K+
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
22K+
$127.42
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
3
$127.42
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
3
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$130.60
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
856
Free shipping
$130.60
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
856
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools,
Amazon.com
26
Free shipping
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools,
Amazon.com
26
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
23
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
23
$244.67
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
80
$244.67
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
80
$111.06
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
23
Free shipping
$111.06
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
23
$109.99
Bluelab Ph Pen - ± 0.1 Ph Accurate, Durable Double Junction Probe, Waterproof & Floats, Auto Temperature Compensation, Easy Calibration - Made In NZ
Amazon.com
4K+
Free shipping
$109.99
Bluelab Ph Pen - ± 0.1 Ph Accurate, Durable Double Junction Probe, Waterproof & Floats, Auto Temperature Compensation, Easy Calibration - Made In NZ
Amazon.com
4K+
$49.99
Onilab Digital Ph Meter,0.01Ph High Accuracy Pen Type Ph Tester Kit,Waterproof, Auto Temperature Compensation, Easy Calibration,Replaceable Probe
Amazon.com
31
Free shipping
$49.99
Onilab Digital Ph Meter,0.01Ph High Accuracy Pen Type Ph Tester Kit,Waterproof, Auto Temperature Compensation, Easy Calibration,Replaceable Probe
Amazon.com
31
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com
$21.99
Ph Meter, Digital PH Tester Pen 3 Ph Calibration Powders ±0.01 Ph Accuracy Pocket Size, Lcd Display For Household Drinking, Pool And Aquarium
Amazon.com
1K+
$21.99
Ph Meter, Digital PH Tester Pen 3 Ph Calibration Powders ±0.01 Ph Accuracy Pocket Size, Lcd Display For Household Drinking, Pool And Aquarium
Amazon.com
1K+
$9.99
3-In-1 Soil Test Kit, Soil Moisture Meter/Soil Ph Meter/Soil Fertility Tester, Soil Moisture Meter For Garden, Farm, Indoor, Outdoor And Lawn Care (
Amazon.com
23
$9.99
3-In-1 Soil Test Kit, Soil Moisture Meter/Soil Ph Meter/Soil Fertility Tester, Soil Moisture Meter For Garden, Farm, Indoor, Outdoor And Lawn Care (
Amazon.com
23
$30.98
4-In-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity, Backlight LCD Display, Soil Test Meter For Garden,
Amazon.com
1K+
$30.98
4-In-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity, Backlight LCD Display, Soil Test Meter For Garden,
Amazon.com
1K+
$208.99
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
Free shipping
$208.99
Hanna Instruments HI 98130 Waterproof Ph/Conductivity/TDS Tester With ATC, High Range
Amazon.com
58
$59.00
AERO-GRO Digital 5-In-1 Meter: 5 Functions: Ph, TDS, EC, Salinity%, Salinity Ppm, And Temp, IP67 Waterproof, Pen-Type Tester For Hydroponics, Water,
Amazon.com
193
Free shipping
$59.00
AERO-GRO Digital 5-In-1 Meter: 5 Functions: Ph, TDS, EC, Salinity%, Salinity Ppm, And Temp, IP67 Waterproof, Pen-Type Tester For Hydroponics, Water,
Amazon.com
193
$761.00
Sigma-Aldrich Oakton Acorn Series Ph 6 Meter, Reads Ph, Mv, & Temperature 1 Each
Sigma-Aldrich
$761.00
Sigma-Aldrich Oakton Acorn Series Ph 6 Meter, Reads Ph, Mv, & Temperature 1 Each
Sigma-Aldrich
$104.91
Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
Grainger
2
$104.91
Reed Instruments Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.02 Ph, 0.01 Ph Ph Resolution, Ph/Temp, Auto Model: R3500
Grainger
2
$1,173.00
Environmental Express PC250 Waterproof Dual-Channel Ph, ORP, Conductivity, TDS, Resistivity, And Salinity Handheld Meter Kit | Cole-Parmer
Cole-Parmer
$1,173.00
Environmental Express PC250 Waterproof Dual-Channel Ph, ORP, Conductivity, TDS, Resistivity, And Salinity Handheld Meter Kit | Cole-Parmer
Cole-Parmer
$617.50
Environmental Express PH260 Waterproof Ph And ORP Handheld Meter | Cole-Parmer
Cole-Parmer
$617.50
Environmental Express PH260 Waterproof Ph And ORP Handheld Meter | Cole-Parmer
Cole-Parmer
$392.92
$471.50
Oakton PH250 - Waterproof Ph And ORP Handheld Meter, 35660-34
TEquipment
16% off
$392.92
$471.50
Oakton PH250 - Waterproof Ph And ORP Handheld Meter, 35660-34
TEquipment
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
11% off
$99.95
$112.45
PH-200 HM Digital Professional Grade Handheld Ph Meter
US Water Systems
$22.99
Ph Tester,Digital Ph Meter For Water,New Version TDS Meter For Drinking Water With Backlit Simultaneously Display 4 in 1 TDS Ph EC Meter For Water
Amazon.com
115
$22.99
Ph Tester,Digital Ph Meter For Water,New Version TDS Meter For Drinking Water With Backlit Simultaneously Display 4 in 1 TDS Ph EC Meter For Water
Amazon.com
115
$244.15
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
69
$244.15
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph, 0.01 Ph Ph Resolution, 3 Calibration Points Model: PH110
Grainger
69
$96.40
Environmental Express Oakton Ecotestr Ph1 Waterproof Ph Pocket Tester | Cole-Parmer
Cole-Parmer
$96.40
Environmental Express Oakton Ecotestr Ph1 Waterproof Ph Pocket Tester | Cole-Parmer
Cole-Parmer
$7.49
PH Meter For Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size With 0-14 PH Measurement Range For Household Drinking, Pool And
Amazon.com
7K+
$7.49
PH Meter For Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size With 0-14 PH Measurement Range For Household Drinking, Pool And
Amazon.com
7K+
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Ph Electrode
Test Equipment Depot
80
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Ph Electrode
Test Equipment Depot
80
$1,452.00
Environmental Express PD250 Waterproof Dual-Channel Ph, ORP, And DO Handheld Meter Kit | Cole-Parmer
Cole-Parmer
$1,452.00
Environmental Express PD250 Waterproof Dual-Channel Ph, ORP, And DO Handheld Meter Kit | Cole-Parmer
Cole-Parmer
$519.58
$623.50
Oakton PH250 KIT - Waterproof Ph And ORP Handheld Meter Kit, 35660-10
TEquipment
16% off
$519.58
$623.50
Oakton PH250 KIT - Waterproof Ph And ORP Handheld Meter Kit, 35660-10
TEquipment
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Shop Best Waterproof Ph Tester

Sponsored
About our ads
$119.99
Pen Ph Meter W/ ATC And Temperature Display (0.01 Ph)
School Outfitters
$119.99
Pen Ph Meter W/ ATC And Temperature Display (0.01 Ph)
School Outfitters
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
Free shipping
$219.00
Extech PH220-C Waterproof Palm Ph Meter With Cabled Electrode
Amazon.com
80
$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
1
$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
1
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
Free shipping
$154.00
Extech PH110 Waterproof Exstik Ph Meter
Amazon.com
69
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
$49.70
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
$79.99
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$720.00
Oakton AO-35614-30 Ph 150 Waterproof Portable Meter With SJ All-In-One Electrode
Amazon.com
Free shipping
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
22K+
$15.99
VIVOSUN Digital Ph And TDS Meter Kits, 0.01Ph High Accuracy Pen Type Ph Meter ± 2% Readout Accuracy 3-In-1 TDS EC Temperature Meter For Hydroponics,
Amazon.com
22K+
$127.42
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
3
$127.42
Oakton Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.1 Ph, 0.1 Ph Ph Resolution, 3 Calibration Points, Auto Model: 3563405
Grainger
3
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$346.80
TQC Sheen Ph-Meter Ph Tester 10 (Waterproof)
Industrial Physics
$130.60
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
856
Free shipping
$130.60
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
856
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools,
Amazon.com
26
Free shipping
$46.99
Ph Meter For Water 7 in 1 PH/TDS/EC/Salt/S.G/ORP/Temp Meter,Ph Tester Digital Backlit Waterproof LCD,TDS Meter EC Meter PPM Meter Suitable For Pools,
Amazon.com
26
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
23
$220.08
Extech Pocket Ph Tester: 0 Ph To 14 Ph, +/-0.01 Ph +/-1 Digit, 0.01 Ph Ph Resolution, Ph, +/-1.8F Model: PH90
Grainger
23
$244.67
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
80
$244.67
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
80
$111.06
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
23
Free shipping
$111.06
Oakton WD-35634-30 Phtestr 30 Ph Tester, For Temperature
Amazon.com
23
$109.99
Bluelab Ph Pen - ± 0.1 Ph Accurate, Durable Double Junction Probe, Waterproof & Floats, Auto Temperature Compensation, Easy Calibration - Made In NZ
Amazon.com
4K+
Free shipping
$109.99
Bluelab Ph Pen - ± 0.1 Ph Accurate, Durable Double Junction Probe, Waterproof & Floats, Auto Temperature Compensation, Easy Calibration - Made In NZ
Amazon.com
4K+
$49.99
Onilab Digital Ph Meter,0.01Ph High Accuracy Pen Type Ph Tester Kit,Waterproof, Auto Temperature Compensation, Easy Calibration,Replaceable Probe
Amazon.com
31
Free shipping
$49.99
Onilab Digital Ph Meter,0.01Ph High Accuracy Pen Type Ph Tester Kit,Waterproof, Auto Temperature Compensation, Easy Calibration,Replaceable Probe
Amazon.com
31
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com
$19.99
Tudoupeng Pool Salt Tester & Ph Meter Digital 5 in 1 Salinity Ph EC Temp TDS Meter For Water Quality, Waterproof Water Tester With Backlight For
Amazon.com