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$24.10
$49.15
ORP-100 ORP Meter Digital Portable 2 in 1 Temp ORP Tester Redox Tester Water Quality Detector ORP
Aliexpress
Free shipping
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ORP-100 ORP Meter Digital Portable 2 in 1 Temp ORP Tester Redox Tester Water Quality Detector ORP
Aliexpress
Free shipping
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Professional ORP-169E ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test
Aliexpress
Free shipping
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Professional ORP-169E ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test
Aliexpress
Free shipping
$671.95
$752.96
MSE PRO ±0.2Mv Portable ORP/Ion Meter, ONLY NH4+ Ammonium Electrode
MSE Supplies
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MSE PRO ±0.2Mv Portable ORP/Ion Meter, ONLY NH4+ Ammonium Electrode
MSE Supplies
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ORP-3569 ORP Meter 3 in 1 Ph ORP TEMP Tester With Backlight Multi-Parameter Digital Tri-Meter Water
Aliexpress
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ORP-3569 ORP Meter 3 in 1 Ph ORP TEMP Tester With Backlight Multi-Parameter Digital Tri-Meter Water
Aliexpress
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$1,064.20
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
28
Free shipping
28% off
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Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
28
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$756.00
YSI PRO 10 Pro 10 Ph/ORP/Temperature Portable Meter | Cole-Parmer
Cole-Parmer
$756.00
YSI PRO 10 Pro 10 Ph/ORP/Temperature Portable Meter | Cole-Parmer
Cole-Parmer
$134.10
Extech Waterproof Pocket ORP Tester | Cole-Parmer
Cole-Parmer
435
$134.10
Extech Waterproof Pocket ORP Tester | Cole-Parmer
Cole-Parmer
435
$110.23
Apera Instruments Premium Line ORP60 Pocket ORP Tester Kit, Replaceable Probe, 1 Mv/±0.2% F.S Accuracy, ±1000 Mv Range
Amazon.com
65
Free shipping
$110.23
Apera Instruments Premium Line ORP60 Pocket ORP Tester Kit, Replaceable Probe, 1 Mv/±0.2% F.S Accuracy, ±1000 Mv Range
Amazon.com
65
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$336.53
OAKTON ORPTESTR 50 Waterproof ORP Tester
Globaltestsupply.com
$336.53
OAKTON ORPTESTR 50 Waterproof ORP Tester
Globaltestsupply.com
$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
2
Free shipping
$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
2
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
435
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
435
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
33% off
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
28
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
28
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
435
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
435
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
1
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
1
$128.48
$186.00
OHAUS ST10R Starter ORP Pen Meter With SD, -1000 Mv - 1000 Mv Range
Test Equipment Depot
30% off
$128.48
$186.00
OHAUS ST10R Starter ORP Pen Meter With SD, -1000 Mv - 1000 Mv Range
Test Equipment Depot
$393.97
$620.00
OHAUS AB23PH-F Aquasearcher Ph/ORP Benchtop Meter W/Electrode & Holder
Test Equipment Depot
36% off
$393.97
$620.00
OHAUS AB23PH-F Aquasearcher Ph/ORP Benchtop Meter W/Electrode & Holder
Test Equipment Depot
$121.60
HM Digital ORP-200, Professional Waterproof ORP / Temp Meter
PrimeLabMed
1
$121.60
HM Digital ORP-200, Professional Waterproof ORP / Temp Meter
PrimeLabMed
1
$475.99
EXTECH Ph/ORP/Temperature Meter/Datalogger, SDL100
Zoro.com
28
$475.99
EXTECH Ph/ORP/Temperature Meter/Datalogger, SDL100
Zoro.com
28
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
Free shipping
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
Free shipping
$594.99
Hanna Edge HI2002-01 Dedicated Ph/ORP Meter
Blue Tiger Scientific
$594.99
Hanna Edge HI2002-01 Dedicated Ph/ORP Meter
Blue Tiger Scientific
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$76.99
$103.94
Bante 220 Series Portable Ph/ORP Meter, 1 To 3 Points Calibration, Automatic Temperature Compensation, Setup Menu Contains 7 Options, Accuracy: 0.01Ph
vyroqi.com
25% off
$76.99
$103.94
Bante 220 Series Portable Ph/ORP Meter, 1 To 3 Points Calibration, Automatic Temperature Compensation, Setup Menu Contains 7 Options, Accuracy: 0.01Ph
vyroqi.com
$48.99
$69.08
Hanna (HI98121) Combination Ph-ORP Meter Tester
vyroqi.com
29% off
$48.99
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Hanna (HI98121) Combination Ph-ORP Meter Tester
vyroqi.com
$51.60
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Extech RE300 ORP Meter
Alternativasca Online One
24% off
$51.60
$68.62
Extech RE300 ORP Meter
Alternativasca Online One
$300.00
Hach Pocket Pro ORP Tester 9531100
Core & Main
$300.00
Hach Pocket Pro ORP Tester 9531100
Core & Main
$76.97
$102.37
Hanna (HI98121) Combination Ph-ORP Meter Tester
Alternativasca Online One
24% off
$76.97
$102.37
Hanna (HI98121) Combination Ph-ORP Meter Tester
Alternativasca Online One
$30.59
Orp Meter,Display Portable Orp Pen Type Portable Oxidation Reduction Potential And Orp Meter La Qua Pen-Type With Display Water Quality Pen-Type Orp M
Walmart
Free shipping
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Orp Meter,Display Portable Orp Pen Type Portable Oxidation Reduction Potential And Orp Meter La Qua Pen-Type With Display Water Quality Pen-Type Orp M
Walmart
Free shipping
$769.95
$862.34
MSE PRO ±0.01 Ph Portable Ph/ORP Meter, 110V
MSE Supplies
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MSE PRO ±0.01 Ph Portable Ph/ORP Meter, 110V
MSE Supplies
$959.99
Hanna Instruments HI98190 Waterproof Portable Ph/ORP Meter - Professional Grade For Lab & Field Use
Blue Tiger Scientific
$959.99
Hanna Instruments HI98190 Waterproof Portable Ph/ORP Meter - Professional Grade For Lab & Field Use
Blue Tiger Scientific
$77.10
$99.15
Extech PH210 Ph / ORP Meter
shedfriends
22% off
$77.10
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Extech PH210 Ph / ORP Meter
shedfriends
$421.20
REED INSTRUMENTS Ph/ORP Meter Kit Measures/Records Ph & ORP Levels In Water With Manual Or Auto Temp Compensation, R3000SD-KIT
Zoro.com
$421.20
REED INSTRUMENTS Ph/ORP Meter Kit Measures/Records Ph & ORP Levels In Water With Manual Or Auto Temp Compensation, R3000SD-KIT
Zoro.com
$66.89
$90.30
6-In-1 Waterproof Ph/ORP/TDS/EC (Conductivity)/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
vyroqi.com
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6-In-1 Waterproof Ph/ORP/TDS/EC (Conductivity)/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
vyroqi.com
SX721 Portable pH/ORP Meter Kit
aperainst.com
SX721 Portable pH/ORP Meter Kit
Apera SX751 is designed for lab-grade measurement of pH and ORP, suitable for general water solutions’ applications such as water treatment, groundwater, surface water, hydroponics, environmental monitoring, beverage making, etc.Basic FeaturesIntelligent functions –– auto. calibration, auto. temperature compensation, self-diagnosis, data l
Apr 8, 2022
ORP Meter Calibration
Digital ORP Meter Auto Calibration High Accuracy Clear Display Portable Conductivity Test Pen for Aquariums - Walmart.ca
Digital ORP Meter Auto Calibration High Accuracy Clear Display Portable Conductivity Test Pen for Aquariums - Walmart.ca
walmart.ca
2.1B views10 months ago
2025 Advanced 7-in-1 Water Tester, pH Meter & TDS Meter, Salinity Tester for Drinking Water, Aquarium, Pool, Hydroponics, ORP Meter with Easy Calibration, Digital Water Quality Tester, High Precision
0:45
2025 Advanced 7-in-1 Water Tester, pH Meter & TDS Meter, Salinity Tester for Drinking Water, Aquarium, Pool, Hydroponics, ORP Meter with Easy Calibration, Digital Water Quality Tester, High Precision
amazon
5 views8 months ago
OPR Meter, ORP Redox Meter Tester -1999~1999mV Oxidation Reduction Potential Tester with 256mV ORP Calibration Buffer for Water Testing, Aquarium, Research Laboratory
1:04
OPR Meter, ORP Redox Meter Tester -1999~1999mV Oxidation Reduction Potential Tester with 256mV ORP Calibration Buffer for Water Testing, Aquarium, Research Laboratory
amazon
4 months ago
Top videos
What is an ORP Meter? How it Works and Why it Matters | scispectrum posted on the topic | LinkedIn
What is an ORP Meter? How it Works and Why it Matters | scispectrum posted on the topic | LinkedIn
linkedin.com
1 month ago
AQUASOL DIGITAL - How to use ORP Meter
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AQUASOL DIGITAL - How to use ORP Meter
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4.1K viewsFeb 10, 2020
HI 8424 Portable pH/ORP Meter
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HI 8424 Portable pH/ORP Meter
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Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC
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Yieryi WiFi Tuya Smart Monitor Fish Tank Aquarium SPA Pool Online Water Quality Meter PH ORP EC
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What is an ORP Meter? How it Works and Why it Matters | scispectrum posted on the topic | LinkedIn
What is an ORP Meter? How it Works and Why it Matters | scispe…
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linkedin.com
AQUASOL DIGITAL - How to use ORP Meter
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AQUASOL DIGITAL - How to use ORP Meter
4.1K viewsFeb 10, 2020
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HI 8424 Portable pH/ORP Meter
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HI 8424 Portable pH/ORP Meter
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What Is an ORP Meter? Simple Explanation for Beginners
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YouTubeScispectrum Lab Essentials
RCYAGO 2-in-1 Digital pH ORP Controller WiFi Monitor Water Tester for Aquarium Hydroponics Fish Pond
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YSI Pro1030 Water Quality Meter | Conductivity, pH, ORP
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YSI Pro1030 Water Quality Meter | Conductivity, pH, ORP
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YouTubeYSI, Inc.
Kangen Water ORP Test#1 with ORP meter
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Kangen Water ORP Test#1 with ORP meter
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Water ORP Test
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ORP-228 ORP Redox Meter Tester -1999~1999mV
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ORP sensor calibration
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HI 98120 Waterproof ORP and Temperature Meter
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Shop orp meter

Sponsored
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$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
2
Free shipping
$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
435
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
33% off
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
28
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
435
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
1
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
$128.48
$186.00
OHAUS ST10R Starter ORP Pen Meter With SD, -1000 Mv - 1000 Mv Range
Test Equipment Depot
30% off
$128.48
$186.00
OHAUS ST10R Starter ORP Pen Meter With SD, -1000 Mv - 1000 Mv Range
Test Equipment Depot
$393.97
$620.00
OHAUS AB23PH-F Aquasearcher Ph/ORP Benchtop Meter W/Electrode & Holder
Test Equipment Depot
36% off
$393.97
$620.00
OHAUS AB23PH-F Aquasearcher Ph/ORP Benchtop Meter W/Electrode & Holder
Test Equipment Depot
$121.60
HM Digital ORP-200, Professional Waterproof ORP / Temp Meter
PrimeLabMed
1
$121.60
HM Digital ORP-200, Professional Waterproof ORP / Temp Meter
PrimeLabMed
$475.99
EXTECH Ph/ORP/Temperature Meter/Datalogger, SDL100
Zoro.com
28
$475.99
EXTECH Ph/ORP/Temperature Meter/Datalogger, SDL100
Zoro.com
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
Free shipping
$35.99
7 in 1 Digital PH/TDS/EC/ORP/TEMP/SG/Salinity Water Quality Tester Meter LCD Pen
Walmart
$594.99
Hanna Edge HI2002-01 Dedicated Ph/ORP Meter
Blue Tiger Scientific
$594.99
Hanna Edge HI2002-01 Dedicated Ph/ORP Meter
Blue Tiger Scientific
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$34.78
5 in 1 Digital PH TDS EC ORP Temperature Water Quality Tester Meter Test Tool
vipih.com
$76.99
$103.94
Bante 220 Series Portable Ph/ORP Meter, 1 To 3 Points Calibration, Automatic Temperature Compensation, Setup Menu Contains 7 Options, Accuracy: 0.01Ph
vyroqi.com
25% off
$76.99
$103.94
Bante 220 Series Portable Ph/ORP Meter, 1 To 3 Points Calibration, Automatic Temperature Compensation, Setup Menu Contains 7 Options, Accuracy: 0.01Ph
vyroqi.com
$48.99
$69.08
Hanna (HI98121) Combination Ph-ORP Meter Tester
vyroqi.com
29% off
$48.99
$69.08
Hanna (HI98121) Combination Ph-ORP Meter Tester
vyroqi.com
$51.60
$68.62
Extech RE300 ORP Meter
Alternativasca Online One
24% off
$51.60
$68.62
Extech RE300 ORP Meter
Alternativasca Online One
$300.00
Hach Pocket Pro ORP Tester 9531100
Core & Main
$300.00
Hach Pocket Pro ORP Tester 9531100
Core & Main

Shop orp meter

Sponsored
About our ads
$24.10
$49.15
ORP-100 ORP Meter Digital Portable 2 in 1 Temp ORP Tester Redox Tester Water Quality Detector ORP
Aliexpress
Free shipping
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$49.15
ORP-100 ORP Meter Digital Portable 2 in 1 Temp ORP Tester Redox Tester Water Quality Detector ORP
Aliexpress
Free shipping
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Professional ORP-169E ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test
Aliexpress
Free shipping
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Professional ORP-169E ORP-169F Waterproof ORP Meter High Quality ORP Meter Water Quality Tester Test
Aliexpress
Free shipping
$671.95
$752.96
MSE PRO ±0.2Mv Portable ORP/Ion Meter, ONLY NH4+ Ammonium Electrode
MSE Supplies
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$752.96
MSE PRO ±0.2Mv Portable ORP/Ion Meter, ONLY NH4+ Ammonium Electrode
MSE Supplies
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ORP-3569 ORP Meter 3 in 1 Ph ORP TEMP Tester With Backlight Multi-Parameter Digital Tri-Meter Water
Aliexpress
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ORP-3569 ORP Meter 3 in 1 Ph ORP TEMP Tester With Backlight Multi-Parameter Digital Tri-Meter Water
Aliexpress
Free shipping
$1,064.20
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
28
Free shipping
28% off
$1,064.20
Myron L 6PIIFCE Conductivity, Resistivity, TDS, Ph, ORP/Free Chlorine, Temperature Meter
Amazon.com
28
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$423.50
Traceable Calibrated Ph/ORP Meter | Cole-Parmer
Cole-Parmer
$756.00
YSI PRO 10 Pro 10 Ph/ORP/Temperature Portable Meter | Cole-Parmer
Cole-Parmer
$756.00
YSI PRO 10 Pro 10 Ph/ORP/Temperature Portable Meter | Cole-Parmer
Cole-Parmer
$134.10
Extech Waterproof Pocket ORP Tester | Cole-Parmer
Cole-Parmer
435
$134.10
Extech Waterproof Pocket ORP Tester | Cole-Parmer
Cole-Parmer
435
$110.23
Apera Instruments Premium Line ORP60 Pocket ORP Tester Kit, Replaceable Probe, 1 Mv/±0.2% F.S Accuracy, ±1000 Mv Range
Amazon.com
65
Free shipping
$110.23
Apera Instruments Premium Line ORP60 Pocket ORP Tester Kit, Replaceable Probe, 1 Mv/±0.2% F.S Accuracy, ±1000 Mv Range
Amazon.com
65
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$77.00
Waterproof ORP Meter HM Digital ORP-200
Cannon Water Technology
$336.53
OAKTON ORPTESTR 50 Waterproof ORP Tester
Globaltestsupply.com
$336.53
OAKTON ORPTESTR 50 Waterproof ORP Tester
Globaltestsupply.com
$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
2
Free shipping
$38.99
Hydrogen Water Tester 4 in 1 PH,H2,ORP&Temp,Ph Meter ORP Meter Hydrogen Tester For Water With ATC & Backlight,Accurate Hydrogen Water Ppb/Ppm Meter
Amazon.com
2
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
435
$138.99
Extech RE300 Exstik ORP Meter
Southern Electronics
435
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
33% off
$165.63
$248.00
OHAUS ST20R Starter ORP Pen Meter With Dual Display, 0.0-210.2 F
Test Equipment Depot
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
28
$449.00
Extech SDL100 Ph/ORP/Temperature Meter/Data Logger
Globaltestsupply.com
28
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$159.95
ORP-200 HM Digital Professional Grade ORP Handheld Meter
US Water Systems
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
435
$149.00
Extech RE300 Waterproof Exstik ORP Meter
Globaltestsupply.com
435
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
1
$108.85
HM Digital ORP-200, Waterproof Professional ORP/Temp Meter
Selectum
1