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$50.23
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
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7K+
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23% off
$50.23
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$384.71
APERA INSTRUMENTS Premium Series PH8500 Portable Handheld Ph Meter Kit (AI5520)
Amazon.com
11
Free shipping
$384.71
APERA INSTRUMENTS Premium Series PH8500 Portable Handheld Ph Meter Kit (AI5520)
Amazon.com
11
$70.00
Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
Amazon.com
60
Free shipping
$70.00
Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
Amazon.com
60
$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
7K+
Free shipping
14% off
$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
7K+
$28.84
APERA Instruments 201-C Combination Ph Electrode, BNC Connector, Polycarbonate-Body (AI1301)
Amazon.com
428
$28.84
APERA Instruments 201-C Combination Ph Electrode, BNC Connector, Polycarbonate-Body (AI1301)
Amazon.com
428
$79.68
$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
24% off
$79.68
$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$262.48
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
157
Free shipping
$262.48
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
157
$1,009.57
Apera Instruments TN500 Portable White Light Turbidity Meter With Data Logger, EPA 180.1 Compliant (AI483)
Amazon.com
50
Free shipping
$1,009.57
Apera Instruments TN500 Portable White Light Turbidity Meter With Data Logger, EPA 180.1 Compliant (AI483)
Amazon.com
50
$185.47
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
3K+
Free shipping
$185.47
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
3K+
$33.00
Apera Instruments, LLC-AI1109 8Oz. Ph Calibration Buffer Solution Kit (Ph 4.00, 7.00 & 10.01), Plus 4Oz 3m KCL Storage Solution For Ph/ORP Electrodes
Amazon.com
183
$33.00
Apera Instruments, LLC-AI1109 8Oz. Ph Calibration Buffer Solution Kit (Ph 4.00, 7.00 & 10.01), Plus 4Oz 3m KCL Storage Solution For Ph/ORP Electrodes
Amazon.com
183
$270.34
Apera Instruments PH60-HT Handheld Ph Meter Tester Kit With Labsen 865 Ph/Temp. Electrode For Lab-Grade Ph Measurement In High Temperature And/Or
Amazon.com
3K+
Free shipping
$270.34
Apera Instruments PH60-HT Handheld Ph Meter Tester Kit With Labsen 865 Ph/Temp. Electrode For Lab-Grade Ph Measurement In High Temperature And/Or
Amazon.com
3K+
$33.13
APERA INSTRUMENTS 201DJ-C Double-Junction Ph Electrode, BNC Connector, 3 ft Cable, PC Body
Amazon.com
26
$33.13
APERA INSTRUMENTS 201DJ-C Double-Junction Ph Electrode, BNC Connector, 3 ft Cable, PC Body
Amazon.com
26
$256.95
Apera Instruments PH60-VS Handheld Ph Meter Tester Kit With Labsen 855 ATC Ph Electrode For Lab-Grade Ph Measurement Of Viscous Liquid Samples
Amazon.com
3K+
Free shipping
$256.95
Apera Instruments PH60-VS Handheld Ph Meter Tester Kit With Labsen 855 ATC Ph Electrode For Lab-Grade Ph Measurement Of Viscous Liquid Samples
Amazon.com
3K+
$18.00
Apera Instruments AI1113 Ph Calibration Buffer Solution Kit (7.00, 4.00), 8 Oz. Each
Amazon.com
770
$18.00
Apera Instruments AI1113 Ph Calibration Buffer Solution Kit (7.00, 4.00), 8 Oz. Each
Amazon.com
770
$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
1K+
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
1K+
$309.00
$325.00
PH20 Recombinant Protein, Tag Free, 25Ug
ACROBiosystems
$309.00
$325.00
PH20 Recombinant Protein, Tag Free, 25Ug
ACROBiosystems
$165.94
Apera Instruments PH60-WW Handheld Ph Meter Tester Kit With Labsen 335 ATC Ph Electrode For Lab-Grade Ph Measurement In Wastewater, Suspensions, And
Amazon.com
3K+
Free shipping
$165.94
Apera Instruments PH60-WW Handheld Ph Meter Tester Kit With Labsen 335 ATC Ph Electrode For Lab-Grade Ph Measurement In Wastewater, Suspensions, And
Amazon.com
3K+
$28.00
Apera Instruments AI1108 Ph Calibration Buffer Solution Kit For Ph/ORP Electrodes, 4.00 & 7.00 Ph, 4 Oz & 8 Oz
Amazon.com
1K+
$28.00
Apera Instruments AI1108 Ph Calibration Buffer Solution Kit For Ph/ORP Electrodes, 4.00 & 7.00 Ph, 4 Oz & 8 Oz
Amazon.com
1K+
$131.15
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
$131.15
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
$363.13
Apera Instruments AI5520 Premium Series Portable Ph Meter Kit
delupe.com
Free shipping
$363.13
Apera Instruments AI5520 Premium Series Portable Ph Meter Kit
delupe.com
Free shipping
$89.50
Apera Instruments, LLC-AI312 Apera Instruments Premium Series PH60F Flat Ph Pocket Tester Kit For Surface Ph Test E.G. Skin, Textiles, Paper, Etc, ±
Amazon.com
3K+
Free shipping
$89.50
Apera Instruments, LLC-AI312 Apera Instruments Premium Series PH60F Flat Ph Pocket Tester Kit For Surface Ph Test E.G. Skin, Textiles, Paper, Etc, ±
Amazon.com
3K+
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$70.00
Waterproof Ph Meter PH-200
Cannon Water Technology
$245.52
PCE Instruments PCE-PH20-ICA, Waterproof Aquarium Ph Meter With External Ph Electrode W/ ISO Certifi
Selectum
$245.52
PCE Instruments PCE-PH20-ICA, Waterproof Aquarium Ph Meter With External Ph Electrode W/ ISO Certifi
Selectum
$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
62
$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
62
$113.72
Apera Instruments Ai209t Value Series Ph20 Ph Tester Combo Kit Including The Maintenance Set And A Calpod Solution Holder For Easy Calibration
alumigogo
$113.72
Apera Instruments Ai209t Value Series Ph20 Ph Tester Combo Kit Including The Maintenance Set And A Calpod Solution Holder For Easy Calibration
alumigogo
$230.14
Apera Instruments Grostar GS2 Soil Ph Pen - Lab Grade Meter
Hydrobuilder
$230.14
Apera Instruments Grostar GS2 Soil Ph Pen - Lab Grade Meter
Hydrobuilder
$158.45
Apera Instruments Ai209-T Value Series Ph20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Walmart
Free shipping
$158.45
Apera Instruments Ai209-T Value Series Ph20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Walmart
Free shipping
$75.00
Apera Instruments AI221 Ph Pen Tester Kit Suitable For Test Tube Ph Testing
delupe.com
Free shipping
$75.00
Apera Instruments AI221 Ph Pen Tester Kit Suitable For Test Tube Ph Testing
delupe.com
Free shipping
$239.00
Apera Instruments AI204G Grostar Ph / EC / 500Ppm / 700Ppm / ORP Combo Pen Tester Kit With ORP Probe
delupe.com
Free shipping
$239.00
Apera Instruments AI204G Grostar Ph / EC / 500Ppm / 700Ppm / ORP Combo Pen Tester Kit With ORP Probe
delupe.com
Free shipping
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$220.70
Apera Multiparameter Ph/EC/TDS/Salinity Pocket Tester
Carolina Biological Supply
$180.99
PCE INSTRUMENTS Aquarium Ph Meter, 0.00 To 14.00 Ph Measuring Range, PCE-PH20
Zoro.com
$180.99
PCE INSTRUMENTS Aquarium Ph Meter, 0.00 To 14.00 Ph Measuring Range, PCE-PH20
Zoro.com
$108.65
Apera Instruments Grostar GS1 Ph Pen For Accurate Testing
Hydrobuilder
152
$108.65
Apera Instruments Grostar GS1 Ph Pen For Accurate Testing
Hydrobuilder
152
$24.99
$25.00
Apera Instruments Solutions Kit - Ph 4.00 8Oz, Ph 7.00 8Oz And 3m KCL Storage Solution 4Oz
Indoor Garden Supply
$24.99
$25.00
Apera Instruments Solutions Kit - Ph 4.00 8Oz, Ph 7.00 8Oz And 3m KCL Storage Solution 4Oz
Indoor Garden Supply
$142.19
Apera Instruments Sx620 Ph Pen Tester Kit With 0.01 Ph Accuracy, 3-Point Auto. Calibration, ATC 0.01 Ph (3Pt Calibration)
Walmart
Free shipping
$142.19
Apera Instruments Sx620 Ph Pen Tester Kit With 0.01 Ph Accuracy, 3-Point Auto. Calibration, ATC 0.01 Ph (3Pt Calibration)
Walmart
Free shipping
$46.50
$70.00
Apera Instruments Value Series - EC20 - Pocket Conductivity Tester Kit
Indoor Garden Supply
33% off
$46.50
$70.00
Apera Instruments Value Series - EC20 - Pocket Conductivity Tester Kit
Indoor Garden Supply
$144.97
Apera Instruments AI104G Grostar Ph / EC / 500Ppm / 700Ppm Combo Pen Tester Kit
delupe.com
Free shipping
$144.97
Apera Instruments AI104G Grostar Ph / EC / 500Ppm / 700Ppm Combo Pen Tester Kit
delupe.com
Free shipping
Apera Instruments PH20 Pocket pH Tester Quick Start Tutorial
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Apera Instruments PH20 Pocket pH Tester Quick Start Tutorial
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Sponsored
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$50.23
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
Free shipping
23% off
$50.23
$66.00
APERA INSTRUMENTS AI209 Value Series PH20 Waterproof Ph Tester Kit, ±0.1 Ph Accuracy
Amazon.com
7K+
$384.71
APERA INSTRUMENTS Premium Series PH8500 Portable Handheld Ph Meter Kit (AI5520)
Amazon.com
11
Free shipping
$384.71
APERA INSTRUMENTS Premium Series PH8500 Portable Handheld Ph Meter Kit (AI5520)
Amazon.com
11
$70.00
Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
Amazon.com
60
Free shipping
$70.00
Apera Instruments 201T-F All-In-One Ph Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302
Amazon.com
60
$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
7K+
Free shipping
14% off
$90.95
$106.00
APERA INSTRUMENTS AI209-T Value Series PH20 Ph Tester Combo Kit, Including The Maintenance Set, And A Calpod Solution Holder For Easy Calibration
Amazon.com
7K+
$28.84
APERA Instruments 201-C Combination Ph Electrode, BNC Connector, Polycarbonate-Body (AI1301)
Amazon.com
428
$28.84
APERA Instruments 201-C Combination Ph Electrode, BNC Connector, Polycarbonate-Body (AI1301)
Amazon.com
428
$79.68
$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
Free shipping
24% off
$79.68
$105.00
Apera Instruments AI311 Premium Series PH60 Waterproof Ph Pocket Tester Kit, Replaceable Probe, ±0.01 Ph Accuracy, Lcd Display
Amazon.com
3K+
$262.48
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
157
Free shipping
$262.48
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
157
$1,009.57
Apera Instruments TN500 Portable White Light Turbidity Meter With Data Logger, EPA 180.1 Compliant (AI483)
Amazon.com
50
Free shipping
$1,009.57
Apera Instruments TN500 Portable White Light Turbidity Meter With Data Logger, EPA 180.1 Compliant (AI483)
Amazon.com
50
$185.47
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
3K+
Free shipping
$185.47
Apera Instruments Premium-Series PH60S Food Ph Pocket Tester Kit, Swiss Spear Ph Electrode, ±0.01 Ph Accuracy, -2.00-16.00 Ph Range (AI313)
Amazon.com
3K+
$33.00
Apera Instruments, LLC-AI1109 8Oz. Ph Calibration Buffer Solution Kit (Ph 4.00, 7.00 & 10.01), Plus 4Oz 3m KCL Storage Solution For Ph/ORP Electrodes
Amazon.com
183
$33.00
Apera Instruments, LLC-AI1109 8Oz. Ph Calibration Buffer Solution Kit (Ph 4.00, 7.00 & 10.01), Plus 4Oz 3m KCL Storage Solution For Ph/ORP Electrodes
Amazon.com
183
$270.34
Apera Instruments PH60-HT Handheld Ph Meter Tester Kit With Labsen 865 Ph/Temp. Electrode For Lab-Grade Ph Measurement In High Temperature And/Or
Amazon.com
3K+
Free shipping
$270.34
Apera Instruments PH60-HT Handheld Ph Meter Tester Kit With Labsen 865 Ph/Temp. Electrode For Lab-Grade Ph Measurement In High Temperature And/Or
Amazon.com
3K+
$33.13
APERA INSTRUMENTS 201DJ-C Double-Junction Ph Electrode, BNC Connector, 3 ft Cable, PC Body
Amazon.com
26
$33.13
APERA INSTRUMENTS 201DJ-C Double-Junction Ph Electrode, BNC Connector, 3 ft Cable, PC Body
Amazon.com
26
$256.95
Apera Instruments PH60-VS Handheld Ph Meter Tester Kit With Labsen 855 ATC Ph Electrode For Lab-Grade Ph Measurement Of Viscous Liquid Samples
Amazon.com
3K+
Free shipping
$256.95
Apera Instruments PH60-VS Handheld Ph Meter Tester Kit With Labsen 855 ATC Ph Electrode For Lab-Grade Ph Measurement Of Viscous Liquid Samples
Amazon.com
3K+
$18.00
Apera Instruments AI1113 Ph Calibration Buffer Solution Kit (7.00, 4.00), 8 Oz. Each
Amazon.com
770
$18.00
Apera Instruments AI1113 Ph Calibration Buffer Solution Kit (7.00, 4.00), 8 Oz. Each
Amazon.com
770
$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
1K+
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
1K+
$309.00
$325.00
PH20 Recombinant Protein, Tag Free, 25Ug
ACROBiosystems
$309.00
$325.00
PH20 Recombinant Protein, Tag Free, 25Ug
ACROBiosystems
$165.94
Apera Instruments PH60-WW Handheld Ph Meter Tester Kit With Labsen 335 ATC Ph Electrode For Lab-Grade Ph Measurement In Wastewater, Suspensions, And
Amazon.com
3K+
Free shipping
$165.94
Apera Instruments PH60-WW Handheld Ph Meter Tester Kit With Labsen 335 ATC Ph Electrode For Lab-Grade Ph Measurement In Wastewater, Suspensions, And
Amazon.com
3K+
$28.00
Apera Instruments AI1108 Ph Calibration Buffer Solution Kit For Ph/ORP Electrodes, 4.00 & 7.00 Ph, 4 Oz & 8 Oz
Amazon.com
1K+
$28.00
Apera Instruments AI1108 Ph Calibration Buffer Solution Kit For Ph/ORP Electrodes, 4.00 & 7.00 Ph, 4 Oz & 8 Oz
Amazon.com
1K+