Amazon.com: Liquid PH 0-14 Value Sensor Module Accuracy 0.1pH + BNC Connect Terminal PH Electrode Probe Kit, PH Detection detect Sensor Module for Arduino : Electronics
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Amazon.com: Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode : Industrial & Scientific
Gain Express Soil Ph & Moisture Meter 295mm Long Electrode
Amazon.com: Liquid PH Value Detection detect Sensor Module Monitoring Control for Arduino BNC Electrode Probe : Industrial & Scientific
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Oakton pH/Ion 700 Ion 700 Benchtop Meter w/All-in-One pH Electrode and NIST Cal: Amazon.com: Industrial & Scientific
Amazon.com: DANOPLUS 0-14 pH Electrode 200 cm Long pH Probe with BNC Connector Cable Reliable for Continuous Monitoring : Industrial & Scientific
Amazon.com : Bluelab PROBPH pH Probe for Water, Replacement Electrode for Meter, Monitor, and Controller with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow : Science Lab Ph Meters :
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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: Industrial & Scientific
Thermo Scientific Orion Epoxy Body Combination pH Electrode, with Waterproof Connector, 0 to 14 pH: Science Lab Electrochemistry Accessories: Amazon.com: Industrial & Scientific
Amazon.com: Extech PH105 ExStik pH Electrode Module : Industrial & Scientific
Apera Instruments LabSen 803 Glass-Body pH Electrode for Purified Water and Low Ion-Concentration Samples, with Built-in Temperature Sensor, The Replacement Probe for SX811-PW: Amazon.com: Industrial & Scientific
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RCYAGO pH Meter with Ph Electrode and Batteries, pH Tester for Water Milk Cheese Soil Food: Amazon.com: Industrial & Scientific
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pH Pen Ultra-Long Electrode for Soil Waterproof pH Meter ATC One-Touch Auto Calibration Data Hold Function for Soil, Water, Food, Dual Display: Amazon.com: Industrial & Scientific
Replacement pH Electrode Long Cable 0-14pH Probe Test Water Liquid Ocean Sea Water Acid Rain with Glass Bulb (200cm ph Electrode): Amazon.com: Industrial & Scientific
APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-Body (AI1301): Amazon.com: Industrial & Scientific
Hanna Instruments HI73127 Polypropylene Spare Electrode with Pin Connection, 0 to 14 pH: Amazon.com: Industrial & Scientific
PH & Temperature 2-in-1 Continuous Monitor Meter w/Backlight Replaceable Electrode, Dual Display 0.00~14.00pH °C/ °F Water Quality Monitoring Kit, for Aquariums Hydroponics Pools Tanks Spa: Amazon.com: Industrial & Scientific
