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Apera F501-S All-in-one Fluoride Ion Electrode, Replacement Electrode

$ 113.69 $ 68.21

YSI 6600 V2 Multiparameter Water Quality Sonde Environmental Systems

$ 308 $ 184.8

Hach H160 PH Meter and Tester

$ 87.12 $ 52.27

Apera EC950 Benchtop Conductivity/TDS/salinity Meter Kit with TestBench

$ 462.3 $ 277.38

Jenco Instruments 608 Digital pH Meter w Case, Probe, pH Solutions, Pwr Adapter

$ 75.23 $ 45.14

APERA LabSen 753 Titanium-body Spear pH/Temp. Electrode for Food Samples

$ 209 $ 125.4

VWR SympHony SB70P Portable Bench Top pH Meter

$ 87.99 $ 52.79

Nalco Portable Waterproof Conductivity Meter 400-C0050.88, 0-2000 uS 0-200 mS

$ 175.95 $ 105.57

Apera PC60 Premium 5-in-1 Waterproof pH/EC/TDS/Salinity/Temp. Pocket Tester Kit

$ 137.5 $ 82.5

Mettler Toledo Education Line EL30 Conductivity Meter

$ 98.96 $ 59.37

Thermo Scientific Orion Star A Series A111 pH Meter Pre-owned Please See Details

$ 263.12 $ 157.87

Rosemount Endurance Conductivity Cell 0.01/cm Screw-In Sensor T56 Turbidimeter

$ 263.12 $ 157.87

850086 Water Quality Meter pH Kit

$ 232.96 $ 139.77

ECO Testr EC LOW Green Pocket Conductivity Tester

$ 26.39 $ 15.83

Milwaukee MW301 PRO Conductivity Meter

$ 96.79 $ 58.07

Apera Premium Series EC60 EC/TDS/Salinity Waterproof Conductivity Pocket Tester

$ 85.05 $ 51.03

vwr 11388-386 symphony electrode stand [4*Y-8]

$ 88 $ 52.8

Apera PH400 Portable pH Meter Kit, 0.01 pH Accuracy, 0-14.00 pH Measuring Range

$ 249.96 $ 149.97

Apera PC820 Precision Benchtop pH/Conductivity Multiparameter Meter Kit

$ 831.82 $ 499.09

Thermo Orion 135A Advanced Conductivity, Salinity, TDS, Temperature Meter

$ 242 $ 145.19

GF SIGNET 387502P PH/ORP TRANSMITTER (260-3)

$ 426.8 $ 256.08

Apera PH60 Premium Waterproof pH Tester for general water solutions

$ 84.26 $ 50.55

Mettler Toledo SevenExcellence Multiparameter Touch Panel. pH Meter

$ 968 $ 580.79

Milwaukee BEM401 Total Dissolved Solids (TDS) Meter

$ 99.44 $ 59.66

General Co502 Conductivity Meter,Ec Range 10-9990Us/Cm

$ 46.19 $ 27.71

Mituwa Digital PH Controller

$ 79.2 $ 47.52

Lab Conductivity Probe

$ 35.2 $ 21.12

Apera PH850-SL Portable pH Meter for Soil with LabSen 553 Electrode

$ 298.45 $ 179.07

VWR sympHony SP80PC pH, mV, ISE, ORP, Conductivity Meter, Portable, 11388-318

$ 352 $ 211.2

Myron L DS METER 532T2 & RE-X10 Three Range Extender Total Dissolved Solids

$ 57.2 $ 34.32

Thermo scientific Orion 4 Star pH Conductivity Benchtop Meter

$ 66 $ 39.6

Yokogawa SC42-SP24 Plug-In Conductivity Cell Sensor, CC 0.1000/cm, 150C / 302F

$ 110 $ 66

VWR SB90M5 Benchtop Multiparameter Research Meter sympHony 11388-342 New Surplus

$ 1328.06 $ 796.84

ADEK 3400 Percometer And Conductivity Meter Road Scanner

$ 88 $ 52.8

OMEGA CDH-287 Portable Conductivity Meter CDH287

$ 56.31 $ 33.78

Apear PC9500 Research-grade Benchtop pH/Conductivity Multiparameter Meter Kit

$ 1002.36 $ 601.41

NEW~ Myron L DS METER 532T2 Total Dissolved Solids Meter Three Range

$ 74.8 $ 44.88

Rosemount 1054B Conductivity Microprocessor Analyzer

$ 131.96 $ 79.17

Lab Quest Vernier Unit Temperature pH Conductivity Tester Probe Gas Pressure

$ 439.12 $ 263.47

Water Quality Monitor Conductivity Meter TDS Salinity Resistivity Temp Tester

$ 154.44 $ 92.66

Conductivity & pH/ORP Meter mV TDS Resistivity Salinity Concentration TES-1381

$ 500.1 $ 300.06

HORIBA LAQUAtwin S010 Replacement pH Sensor

$ 70.39 $ 42.23

Apera Premium Series PH60S Food pH Pocket Tester Kit (Swiss Spear pH Electrode)

$ 207.32 $ 124.39

Hach Surface Scatter 7 sc Turbidimeter Enclosure w/ Fittings and Manual

$ 703.96 $ 422.37

Apera EC820 Benchtop Conductivity Meter Kit ±0.5% F.S 4-Point Auto Calibration

$ 643.72 $ 386.23

Apera Instruments EC910 Benchtop Conductivity/TDS/Salinity Meter Kit

$ 377.03 $ 226.22

Apera PH950 Benchtop pH Meter with Swiss LabSen® 211 pH combination electrode

$ 418 $ 250.8

Hach Sension 3 PH Meter 5175060 Laboratory Portable pH Meter

$ 114.35 $ 68.61

Nalco Portable Waterproof Conductivity Meter with Probe 400-C0050.88, 0-2000 uS

$ 263.95 $ 158.37

Corning Ion Analyzer/ pH meter 250

$ 65.99 $ 39.59

Apera PC950 Benchtop pH/Conductivity/TDS/salinity/Temp. Meter Kit with TestBench

$ 648.73 $ 389.24

1 USED SIGNET 3-5800 CONDUCTIVITY MONITOR ***MAKE OFFER***

$ 109.99 $ 65.99

Apera Instruments 2310T-F PVC-Body High Range Conductivity/Temp. Electrode

$ 101.99 $ 61.19

Apera PH60F-Z Smart Bluetooth pH Tester for Flat surface& small-volume liquid

$ 138.77 $ 83.26

Thermo, NIB, 233741-A01, Model 230a Plus Meter

$ 154 $ 92.4

APERA LabSen 221 pH Electrode for Titration and Low Ion Concentration Samples

$ 158.84 $ 95.3

Large-Display PH Pen, 2 To 12 Range, +/- 0.3 Accuracy, 0.1 Resolution Science Ph

$ 42.77 $ 25.66

Hach HQ40d Portable Multi-Probe Meter with pHC201 pH Probe + Field With Dr890

$ 1583.12 $ 949.87

Mettler Toledo SevenExcellence pH/mV Conductivity Meter With P26 Printer

$ 1319.99 $ 791.99

Mettler Toledo FiveEasy FE20 Digital pH Meter FE 20 Laboratory

$ 158.39 $ 95.03

NEW HACH LDO10105 HQ30D 5838000 5811200 OXYGEN SENSOR PROBE AND METER KIT

$ 2640 $ 1584

Apera PH850-MS Portable pH Meter for Test Tubes and Small Liquid Sample

$ 308.48 $ 185.09

Hach PH66-SS Stainless Steel Probe For IQ240 Benchtop Meter

$ 263.12 $ 157.87

Beckman Coulter PHI 460 pH and Electrochemistry Meter w/ Probes A57198 (8983)R

$ 440 $ 264

THERMO SCIENTIFIC 8107UWMMD Ross Gel Triode Star Meter

$ 530.54 $ 318.32

Oakton Conductivity Meter CTSTestr 5 Waterproof Pocket Tester # WD-35634-42

$ 95.92 $ 57.55

Orion Portable pH Meter with Probe case Model 230A

$ 69.52 $ 41.71

GF Signet 159 001 367 dryloc pH/ORP amp in line Signet 3-2760-11 new

$ 131.63 $ 78.98

Mettler Toledo pH Meter MP230

$ 175.99 $ 105.59

APERA LabSen223pH/Temp.Electrode for Titration and Low Ion Concentration Samples

$ 177.23 $ 106.33

GEORGE FISCHER SIGNET 387502 PH/ORP TRANSMITTER PANEL RELAY +GF+ @AR479

$ 220 $ 132

Apera 301Pt-C ORP Combination Electrode, BNC Connector

$ 71.06 $ 42.63

Mettler pH Probe In-law Ultra Micro ISM 30244732

$ 228.8 $ 137.28

Thermo Scientific pH/ISE/mV/Temperature Meter Orion Star A111

$ 220.66 $ 132.39

GLI International Model 63 pH Analyzer P63A1N1B1A

$ 102.82 $ 61.69

Rosmount Xmt-p-ht-11

$ 307.99 $ 184.79

METTLER TOLEDO 1200-21 pH/ORP AMPLIFIER

$ 114.39 $ 68.63

Orion Star A Series Benchtop Meter Attached Electrode Stand - STARA-BEA

$ 132 $ 79.2

Oakton EcoTestr™ CTS Meter Item # WD-35462-11 Oakton EcoTestr™ CTS Pocket Conduc

$ 88 $ 52.8

Apera 2401T-F Glass Conductivity Electrode Built-in Temperature Sensor

$ 78.58 $ 47.15

Oakton WD-35414-21 PC 2700 pH/Con/TDS Meter w/Electrode, Probe, NIST

$ 1120.02 $ 672.01

Bluelab pH Pen - pH Water Tester Temp And Ph 0.0- 14.0 (A)

$ 66 $ 39.6

LOT OF 5 GEORGE FISCHER SIGNET 60803170514 387502 PH/ORP TRANSMITTER PANEL +GF+

$ 879.99 $ 527.99

Sentron 1001 pH Meter w/ Electrode

$ 211.19 $ 126.71

NOS Horiba Ltd. Cardy Compact pH Meter C-1 Made in Japan MIB Mint in Box!

$ 131.99 $ 79.19

HACH COMPANY SENSION 7 CONDUCTIVITY METER 6-12V 54500-60 (NO PROBE)

$ 131.99 $ 79.19

Apera Instruments 601-S All-in-one Water Hardness Electrode

$ 113.69 $ 68.21

Beckman pHi 560 pH, Conductivity, TDS Meter, Bluetooth, USB

$ 264 $ 158.4

COMPACT CONDUCTIVITY METER

$ 88 $ 52.8

APERA LabSen 823 Glass-body pH/Temp. Electrode Milk, Yogurt, Cream, and Sauces

$ 113.69 $ 68.21

Hach Pocket Colorimeter 46700-05 Fluoride Test Kit Instructions Case

$ 140.79 $ 84.47

Apera PH60-Z Smart Bluetooth pH Tester for general water solutions

$ 121.22 $ 72.73

Apera PH8500-BS Portable pH Meter Kit Food-Grade for professional meat pH test

$ 547.58 $ 328.54

Mettler Toledo Sevenexcellence Multiparameter

$ 440 $ 264

Apera EC60-Z Smart Bluetooth Conductivity/TDS Tester for General water solutions

$ 121.22 $ 72.73

SEE DESCRIPTION YSI Pro DSS (NO ACCESSORIES) (PARTS)

$ 1320 $ 792

Omega PHTX-014 Mini pH Transmitter, 0-14 Range, 24VDC, Two-Wire, 4-20mA, BNC

$ 110 $ 66

ABB TB84 PH Analyzer Transmitter TB84PH2000111

$ 351.95 $ 211.17

APERA LabSen 551 PVC-body Spear pH Electrode for Soil, BNC Connector

$ 142.12 $ 85.27

Radiometer CDM 83 Conductivity Meter

$ 87.12 $ 52.27