Hilitand PH Module Probe Kit, PH0-14 Value Detect Sensor Module + PH Electrode Probe BNC

$25.95

2 in 1 Temperature pH Monitor Meter Tester Sensor Test Kit 0~14 pH Automatic Calibration BNC Electrode Probe for Hydroponic ph Aquarium Meter Water Lab Food Drinking Water pH of Saltwater/Seawater

$19.99

APERA INSTRUMENTS 201DJ-C Double-Junction pH Electrode, BNC Connector, 3 Ft Cable, PC Body

$5.53

Apera Instruments LabSen 241-6 Professional Combination pH Electrode for Small Samples (>0.2 mL), BNC Connector, Lead-Free Glass

$783

APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-Body (AI1301)

$7.97

Apera Instruments pH Probe Electrode Sensor Care Maintenance Kit, Including pH 4/7/10 buffers, 3M KCL Soaking Solution, Probe Cleaning Solution, a CalPod Solution Organizer (AI1170)

$14.66

Apera Instruments LabSen 331 POM-Body pH Electrode for Wastewater Treatment, BNC Connector

$783

Extech 601500 Standard pH Electrode

$7.99

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy, Lcd display

$45.88

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

$8.99

pH/Oxygen Reduction Potential (ORP) Electrode Storage Solution, 250 mL (8.4 fl oz) — Suitable for All pH Meters — 1M KCl Solution — Keeps Your Probe Conditioned and Helps to Extend its Life

$6.99

Apera Instruments LabSen Glass-Body 851-1 pH Electrode for Viscous Solutions, Impact-Resistant Sensor, BNC Connector

$52.06

Apera Instruments LabSen 241-180 Glass-Body Micro pH Electrode for NMR Tubes, BNC Connector

$174.51

Oakton WD-59001-65 Oakton Replacement pH Electrode for pH 5+ and pH 6+ Meters, Single-Junction, Gel, BNC Connector

$44.99

Apera Instruments Premium Series PC8500 Portable Handheld pH/Conductivity Meter Kit (AI5524)

$40.1

Ambu Blue Sensor Q Electrode 25/Pouch

$100.49

ShangHJ 2Pcs 20kg Load Cell Weighing Sensor Portable Electronic Kitchen Scale + 2Pcs HX711 AD Weighit Amplifier Module Pressure Sensor for Arduino

$8.99

Bluelab PROBPH pH Probe for Water, Replacement Electrode for Meter, Monitor, and Controller with Easy Calibration, Tool for Hydroponic System and Indoor Plant Grow

$88.39

Apera Instruments 201T-F All-in-one pH Electrode, ATC, BNC/RCA Connector, Polycarbonate Body AI1302

$5.99

EC Buying 2PCS 3.3V-5V UV Inspection Sensor Module Detection 200-370nm Light UV Intensity Sensor Detection Ultraviolet Light Board for Arduino

$20.95

BOJACK 15 Pack of pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 4.01pH,6.86pH and 9.18pH

$30.5

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

$29.99

Sensorex S656CD pH Combination Electrode Protective Tip, BNC Connector, Double Junction, 22.86mm Diameter, 76.20mm Length

$99.05

Myron L RPG Replacement pH Sensor for Multiparameter Meters

$53.32

BlueLab 2.77EC Conductivity Solution, PH 7.0, and PH 4.0 Calibration Solution Set 250 Milliliters

$15.99

DAOKI 5PACK Vibration Sensor Module SW-420 Motion Alarm Switch Detector Electronic DIY Kit for Arduino with Dupont Cable

$6.99

BOJACK DS18B20 Temperature Sensor Module Kit with Waterproof Stainless Steel Probe for Raspberry Pi

$13.48

Hoshizaki 4A6148G01 Ultrasonic Bin Sensor

$22.99

American Marine PINPOINT pH Probe

$21.99

Bluelab CAREKITPH pH Probe Care Kit with Calibration Supplies, Storage Solution, and Brush, Used for Pen, Meter, Monitor, Controller and Tools for Hydroponic System and Indoor Plant Grow, Clear

$16.9

DAOKI 5Pcs ACS712 5A Range Current Sensor Module for Arduino

$9.99

DAOKI 5PACK piezoelectric Ceramic Vibration Sensor piezo 3.3V/5V Module Analog Controller Electronic Components Supplies Sensor for Arduino with Dupont Cable

$10.99

ShangHJ 4 Sets Digital Load Cell Weight Sensor + HX711 ADC Module Weighing Sensor for Arduino DIY Portable Electronic Kitchen Scale Kit (1kg)

$8.99

Milwaukee Instruments MA9015 Storage Solution MA9016 Cleaning Solution fMA9007 pH 7.01 Calibration Solution for pH/ORP Electrodes Lab Bundle (Storage + Cleaning + pH 7.01 + Syringe)

$10.78

HM Digital PH-STOR pH Electrode Storage Solution for Use with PH-200 or PH-80, 60cc Volume

$13.19

DAOKI 5PCS High Sensitivity Sound Microphone Sensor Detection Module for Arduino AVR PIC

$9.99

Gikfun DS18B20 Temperature Sensor Waterproof Digital Thermal Probe Sensor for Arduino (Pack of 5pcs) EK1083

$8.98

15-Pack pH Meter Buffer Solution Powder for Precise and Easy PH Calibration, PH Calibration Powder Solution 6.86,4.01,9.18

$21.99

Yewhick Digital pH Meter for Food, Food pH Tester with High Accuracy pH Probe for Sourdough and Bread, Food pH Meter for Canning, Meat, Cheese, Solid Samples and Water, 0.01 Resolution

$39.99

ShangHJ 4 Sets Digital Load Cell Weight Sensor + HX711 ADC Module Weighing Sensor for Arduino DIY Portable Electronic Kitchen Scale Kit (5kg)

$14.56

ShangHJ 4 Sets Digital Load Cell Weight Sensor + HX711 ADC Module Weighing Sensor for Arduino DIY Portable Electronic Kitchen Scale

$37.62

ShangHJ 5KG Portable Electronic Kitchen Scale Digital Load Cell Weight Sensor + AD HX711 Weighing Pressure Module for Arduino

$22

ACEIRMC 6pcs GY-68 BMP180 Temperature Barometric Pressure Sensor Module for Arduino

$9.99

Innovating Science pH Calibration Solution 4.00, 7.00, 10.00 & pH Electrode Storage Solution, 500ml - 16.9oz (Pack of 4) - Premium pH Buffer Solution Kit

$14.95

Apera Instruments, LLC-AI1312 Apera Instruments 201T-S pH/Temp. Electrode, 8-pin Connector, The Replacement Electrode for Apera 400/400S Series Portable Meters

$15.38

DuvinDD 18 Pack pH Meter Buffer Solution Powder 6.86/4.00/9.18, pH Calibration Solution Packets for Precise PH Meter

$14.84

pH Buffer Calibration Solution 3-Pack: pH 4.00 Buffer, pH 7.00 Buffer, and Electrode Storage Solution — 250 mL (8.4 fl oz) Each — NIST Traceable Reference Standards for All pH Meters

$7.96

AC Infinity pH Meter PRO Kit, High Precision Digital pH Pen with ±0.01 pH Accuracy and Interchangeable Probe, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

$19.99

YINMIK pH Meter Calibration Solution Kit(4.00,7.00&10.01) with pH Protective Solution Kit,3 Bottles 50ml pH Calibration Buffer Solution and 2 bottels 10ml KCL pH Probe Solution for pH Meters

$7.99

HiLetgo BME280 3.3V Atmospheric Pressure Sensor GY-BME280-3.3 Temperature Humidity Sensor Module for Arduino

$8.99

Hiletgo 5pcs SW-420 Vibration Sensor Module Vibration Switch Alarm Sensor Module for Arduino

$8.49

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 Aquarium

$22.99

Milwaukee Instruments MA9015 Storage Solution MA9016 Cleaning Solution fMA9007 pH 7.01 Calibration Solution for pH/ORP Electrodes Lab Bundle (Storage + Cleaning + Syringe)

$24.99

Gikfun A3144/OH3144/AH3144E Hall Effect Sensor Magnetic Detector for Arduino (Pack of 20pcs) EK1325

$11.99

Nynelly 15pcs pH Meter Buffer Solution Powder for Precise and Easy for Precise pH Calibration Powder Solution 4.00,6.86,9.18

$23.5

Macurco OX-12 Oxygen O2 (Line Voltage) Fixed Gas Detector Controller Transducer

$104

4x20ml, pH 4 + 4 + 7 + 7 Milwaukee Buffer Solution, for Digital pH Meter Calibration

$16.99

Digital pH Meter, pH Meter for Water, 0-14 pH Measurement Range pH Tester, 0.01 High Precision Water Quality Tester with ATC for Drinking Water Pool

$29.99

Gikfun Analog Ceramic Piezo Vibration Sensor Module for Arduino DIY Kit (Case Pack of 5pcs) EK1952

$6.79

Bluelab STSOL100BL STSOL100 KCL Storage Solution for pH Probes, 100ml, 100 ML, natural

$71.49