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Oakton Replacement Sensor for PCTSTestr 5 Item # WD-35634-62 Oakton® Replacement

$ 79.2 $ 47.52

HI38054 HANNA INSTRUMENTS OZONE TEST KIT

$ 122.31 $ 73.38

WTW 6R/SET/LAB1 Resistor Set 302870 for Conductivity Meter Calibration

$ 101.19 $ 60.71

Foxboro 875PH-D1F-A Communicator Series pH/ORP 24 vdc Controller 0 - 14 PH

$ 743.6 $ 446.16

Fisher Scientific Accumet AR20 Benchtop pH Meter with New Probe

$ 116.16 $ 69.69

THERMO SCIENTIFIC 8107UWMMD BNC MINIDIN ORION ROSS PH/ATC TRIODE

$ 87.56 $ 52.53

EXTECH 407303 CONDUCTIVITY TEMPERATURE METER W/CASE -FREE SHIPPING

$ 175.95 $ 105.57

Oakton PCTS 50 PIN STYLE Item # WD-35634-35 Great for water, wastewater

$ 228.8 $ 137.28

Eutech Instruments Oakton Waterproof pHTestr 20 Pocket Pocket Tester with Case

$ 79.15 $ 47.49

Oakton® pHTestr® 5F Flat-Tip Waterproof Pocket Item # WD-35634-46 This pocket-si

$ 96.8 $ 58.08

Benchtop pH Meter Dissolved Oxygen Meter Temp Tester Water Quality Monitor USB

$ 582.12 $ 349.27

Aquaculture Water Quality Dissolved O2 Tester PH/Conductivity/Salinity Meter

$ 371.36 $ 222.81

Extech Instruments PH220 Palm PH Meter W/O Cable

$ 114.69 $ 68.81

Apera Premium Series PH60F Flat pH Pocket Tester Kit for Surface pH Test

$ 93.76 $ 56.25

Oakton pH Elect., All-in-One Item # WD-35811-71 Acorn All-in-One pH electrode,

$ 105.6 $ 63.35

Pocket TDS Tester Meter Aquaculture Wastewater Water Quality Monitor 0.05-10ppt

$ 95.04 $ 57.02

Hanna Instruments HI981400-02 LCD Temperature Indicator pH Meter with Alarm

$ 77.43 $ 46.45

Markson Science 4503 Selectro Mark Analyzer Conductivity Micromhos pH MV MVX10

$ 103.79 $ 62.27

PH400 Portable pH Meter Kit, 0.01 pH Accuracy, 0-14.00 pH Measuring Range, 3ft

$ 266.71 $ 160.03

ysi incorporated model 30 salinity conductivity temperature

$ 87.99 $ 52.79

Apera Instruments LLC-AI3101 LabSen 211 Glass-Body pH Electrode for General W...

$ 134.81 $ 80.88

Hach Pocket Pro+ Multi 2 Tester 9532800 pH, Conductivity, TDS, Salinity and Temp

$ 140.36 $ 84.21

Apera Instruments LLC-AI221 SX610 Waterproof pH Pen Tester ±0.1 pH Accuracy 0...

$ 84.43 $ 50.66

Apera Instruments LLC-AI3717 ORP60-DA ORP Probe for ZenTest 60-Z Smart Pocket...

$ 65.12 $ 39.07

SPER SCIENTIFIC 850081 WATER QUALITY METER

$ 30.79 $ 18.47

Fisher Scientific Accumet Basic pH Meter 201400.1

$ 16.72 $ 10.03

AC110v-220v Conductivity meter with probe - Conductivity Tester sensor

$ 59.83 $ 35.89

HONEYWELL 04973-001-333-QD-00-000-000 NSMP

$ 161.91 $ 97.15

AZ-8690 Water Quality Tester Ph/Temp Meter Detachable pH Pen

$ 79.19 $ 47.51

Fisher Scientific Accumet Basic AB15 pH Meter with Power Supply

$ 61.59 $ 36.95

Hanna Instruments pH 210: Product does not include electrodes pictured.

$ 198 $ 118.8

Apera 2401-C Glass Conductivity Electrode - (K=1.0, BNC Connector) AI1308

$ 78.32 $ 46.99

YSI 5560 Conductivity/Temperature Sensor

$ 445.96 $ 267.57

Horiba LAQUA F-74G Benchtop Water Quality Conductivity pH/ION/COND Meter

$ 615.99 $ 369.59

OAKTON PH11 pH/mV/TEMPERATUE METER 35614-80 pH11 METER & 35811-71 PROBE & CASE &

$ 131.99 $ 79.19

Orion PH meter Model #410A UNTESTED No Probe/Power adapter Great Cosmetic shape

$ 52.75 $ 31.65

Portable pH/ORP/Temperature Meter PH-013 by ShenZhen Oway NEW No Solutions

$ 35.15 $ 21.09

HMD TDS Tester Digital Water Tester

$ 4.4 $ 2.64

Apera Instruments PH20 PH Tester

$ 39.6 $ 23.76

Hagan Conductivity Meter *Model BW2*

$ 4.39 $ 2.63

Salinity Tester Display Waterproof SA‑3287TDS/EC/CF Saltwater Meter Tester

$ 32.34 $ 19.4

HomeLab pH meter for Raspberry Pi, Arduino & ESP8266; ATC; aquaruim, beer, wine

$ 24.64 $ 14.78

Ohaus St10c-A Conductivity Meter,1 Line Lcd

$ 52.8 $ 31.67

Ysi Pro Plus Quattro 12F101849

$ 158.4 $ 95.04

Hach H160 PH Meter Temperature

$ 198 $ 118.8

Apera Instruments LLC-AI312 Apera Instruments Premium Series PH60F Flat pH Po...

$ 113.85 $ 68.31

Apera Instruments LabSen Glass-Body 851-1 pH Electrode for Viscous Solutions ...

$ 179.36 $ 107.61

Extech Instruments PH220 Palm pH Meter

$ 52.75 $ 31.65

HORIBA LAQUAtwin 3200459868 Model S030 Potassium Ion Electrode 39-3900 ppm Me...

$ 185.12 $ 111.07

Bluelab Guardian Monitor Connect

$ 395.95 $ 237.57

Ph/Mv Simulator, Usa-Nist-Custom Mv Output

$ 118.79 $ 71.27

Lab Safety Supply 6CDP5 25ml Grade A Burrette PTFE (6 Pcs)

$ 70.09 $ 42.05

Advantage Controls - Han Tron Water Tester

$ 87.12 $ 52.27

Oakton Instruments Waterproof TDS Tester Pure 35661-20 Meter

$ 3.51 $ 2.1

SUNHO CM-230 Conductivity Meter Conductivity Tester Pure water meter monitor

$ 34.93 $ 20.96

YSI Pro30 Field Conductivity Cable 4M (15 ft) TDS Salinity Temperature 60530-4

$ 74.79 $ 44.87

Omega pH/mV/Temp Waterproof Tester

$ 57.2 $ 34.32

Thermo Scientific Orion Star A111 pH Meter

$ 61.6 $ 36.96

Apera Instruments LLC-AI3141 LabSen 821 Glass-Body pH Electrode for Milk Crea...

$ 143.7 $ 86.22

Apera Instruments LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocke...

$ 104.49 $ 62.69

HM DIGITAL TDS METER Water Quality Tester TOTAL DISOLVED SOLIDS METER TDS-4 *NEW

$ 8.25 $ 4.95

Apera Instruments PC60-E Probe for PC60 Multi-Parameter Tester

$ 67.21 $ 40.32

Orion Model 230A Portable pH Meter

$ 17.6 $ 10.56

Apera PH60-DE Replacement pH Probe for ZenTest PH60-Z Smart pH Tester

$ 45.98 $ 27.58

Large Display pH Meter Pen | Sper Scientific | 850050

$ 32.56 $ 19.53

Oakton Replacement Sensor for CTSTestr 5 Item # WD-35634-44 Oakton® Replacement

$ 52.8 $ 31.67

Orion ATC 917002 Probe PH Glass Body New in Box

$ 66 $ 39.6

Sper Scientific 840087 Basic pH Meter

$ 35.19 $ 21.11

Oakton Replacement Sensor for pHTestr® 5 Item # WD-35634-18 Replaceable single-j

$ 52.8 $ 31.67

Omega pH and Conductivity Tester. CDH-7021

$ 52.8 $ 31.67

Fisher Scientific Accumet AR15 PH/Temp meter

$ 74.79 $ 44.87

Fisher Scientific Accumet Basic pH/MV Meter 725-037

$ 39.2 $ 23.52

VWR Scientific Symphony pH Meter SB21 1 PER ORDER!!

$ 38.71 $ 23.22

Extech 60120B: Mini pH Electrode (10x120mm)

$ 44 $ 26.4

Apera Instruments SX625 Replacement pH Probe for SX620 pH Pen Tester

$ 44.52 $ 26.71

Mettler Toledo pH Meter Probe Electrode Cable SevenEasy SevenFive

$ 29.91 $ 17.94

VWR SympHony pH Meter Stand (Used)

$ 88 $ 52.8

Apera Instruments SX615 Replacement Probe for SX610 pH Pen Tester

$ 36.16 $ 21.7

Apera EC60-E Replacement Conductivity Probe for EC60 Pocket Conductivity Tester

$ 42.85 $ 25.71

G173304 Corning Pinnacle 530 pH Meter

$ 44 $ 26.4

Standard pH Meter, PHM, Radiometer

$ 5.27 $ 3.16

Hanna Instruments Checker Pocket-Sized pH Meter New Open Box

$ 42.03 $ 25.22

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

$ 40.34 $ 24.2

Apera EC60-DE Replacement Probe for EC60-Z Smart Pocket Conductivity Tester Kit

$ 42.85 $ 25.71

2-HARDNESS TESTING DIAMONDS

$ 61.6 $ 36.96

Conductivity Tester Meter Temp Display For Swimming Pools Aquariums 10~1999µS/cm

$ 99 $ 59.4

Waterproof Cond Meter Conductivity Tester 0.1 to19.99mS/cm Temp Water Wastewater

$ 99 $ 59.4

Oakton EcoTestr TDS1 Waterproof Pocket Tester

$ 43.97 $ 26.38

Apera ORP60-DA Replacement ORP Probe for ZenTest 60-Z Smart Pocket pH Testers

$ 57.68 $ 34.61

Ohaus St10 Ph Pen,Single Line Lcd

$ 42.94 $ 25.76

Pocket Conductivity Tester Temp Meter Drinking Water Analyzer 1.0 to 199.9µS/cm

$ 99 $ 59.4

Oakton pH Testr 50 Waterproof Item # WD-35634-15 pHTestr® 50 Waterproof Pocket

$ 193.6 $ 116.16

OAKTON WD-35805-00 PH METER REPL ELCTRD EPOXY BOD

$ 79.29 $ 47.57

Extech 60120B: Mini pH Electrode (10x120mm)

$ 44.87 $ 26.92

Omega PHB44 Microprocessor PH Meter

$ 77.43 $ 46.45

Horiba 3999960124 Model pH-33 Compact pH Meter, 1.5" Height, 4" Width, 7.25" ...

$ 176.49 $ 105.89

Oakton 00702-75 pH/mV/°C Meter w/ RS-232 and Recorder Output Series pH 1000

$ 178.83 $ 107.3

4812 Fisher Scientific 09-327 Digital Conductivity Meter

$ 79.2 $ 47.52

Aqua Lytic PC Compact CI PH 73765 Infrared Turbidity Meter Aqualytic

$ 150.92 $ 90.55

2-HARDNESS TESTING DIAMONDS

$ 61.6 $ 36.96