pH, Conductivity & TDS Meters
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2,052 Results
SX-713-02 Portable Conductivity Meter w/Dual Probe (K=1.0 and 0.1) and flow cell
C $395.00or Best OfferFree shippingEutech Instruments ECPHCTP0500 pH 500 2-Wire pH/ORP Transmitter with Display
C $257.13or Best OfferC $40.81 shippingOnly 1 left!New ListingMettler Toledo Fivego F2 pH Meter with Probe
C $428.54or Best OfferC $63.85 shippingGeonics EM31 Digital Ground Conductivity Meter
C $9,500.00or Best OfferC $175.00 shippingNew ListingHach 2100Q Turbidimeter & User Manual Bundle
C $171.42or Best OfferC $30.86 shippingNew ListingYinmik BLE-C600 Multifunction Water Quality Tester Bluetooth 7 in 1
C $68.57C $40.73 shippingLCD Digital PH Meter for Water Hydroponics Pool Aquarium Pocket Size 0-14 PH
C $12.00Was: C $12.63or Best OfferFree shippingPH Meter & TDS Meter Digital Tester Kit Water Quality Monitor Aquarium Pool Pond
C $8.93C $18.95 shippingLCD Backlit TDS Water Quality Tester TDS EC Temperature Meter 3 in 1 0-4999PPM
C $8.55Free shippingBarnant 559-3800 Digi Sense Digital PH/MV/ORP Meter
C $172.86or Best OfferC $71.03 shippingORP CALIBRATION BUFFER POWDER, 256mv STANDARD, PROBE, REDOX, AQUARIUM, MARINE
C $6.84C $34.28 shipping71 soldWater analysis PH meter automatic Industry online pH/ORP controller ph sensor
C $101.87 to C $431.17Was: C $396.52Free shipping6-in-1 Multifunction PH/EC/TDS/SALT/Temp Water Quality Tester Wifi APP Control
C $109.75C $4.60 shippingNew ListingMettler Toledo SAG285 Compact Balance Weighing Module 210g x 0.1mg *No Display*
C $2,058.08or Best OfferAccumet Basic AB15 Plus pH Meter
C $163.27or Best OfferC $68.33 shippingDigital PH/TDS/EC/Temp Meter Water Quality Monitor Tester 4-in-1 pH Tester
C $20.36Free shippingHM Digital COM-100 TDS/EC/T Waterproof Combo Meter/Tester, Conductivity
C $91.58Was: C $122.11Free shippingPH Meter Water Quality Tester Sharp Glass Electrode Water Cheese Milk Soil
C $35.96Was: C $39.09or Best OfferC $3.36 shippingFisher Accumet Mini Ph Meter Model 955 with Carrying Case
C $50.00or Best OfferC $28.00 shipping7 in 1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter Top
C $32.55 to C $34.27Free shipping10-in-1 Water Quality Tester 0-14 PH TDS EC Meter Temperature Tester Pen
C $47.38 to C $51.45Free shippingElmo Motion Control G-CEL50/100EES Servo Drive
C $267.55C $48.02 shippingOnly 1 left!APERA INSTRUMENTS 201-C Combination pH Electrode, BNC Connector, Polycarbonate-B
C $66.82C $12.72 shippingReplacement PH Electrode Rechargeable PH Electrode Probes BNC Connector For Lab
C $14.69Was: C $15.63or Best OfferFree shippingHanna Instruments HI 9813-6 PH/EC/TDS/Temp. Meter
C $108.39C $50.35 shippingIndustrial PH/ORP Control Meter Monitor Detection Sensor +5m Composite Electrode
C $219.51Free shippingConductivity TDS Meter Water Quality Monitor Temp Tester Meter USB Port Tools
C $387.82Was: C $408.24C $4.93 shippingNEW YOKOGAWA PH97-07 Sensor PH Probe for PH87 STOCK 3733
C $552.25Was: C $788.93or Best OfferTesto 205 PH Meter Tester measuring instrument probe head for food 0563 2051
C $275.86or Best OfferFree shippingRadiometer pH electrode holder
C $27.00or Best OfferDigital PH Meter & TDS Meter Tester Kit for Aquarium Pool Water Quality Monitor
C $5.32 to C $8.93C $18.95 shippingProfessional PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester
C $20.64C $3.16 shippingCole-Parmer 05938-50 Digi-Sense Digital LCD pH/mV/ORP Meter Kit, 0-14pH, 9-Volt
C $343.01or Best OfferPH/EC/TDS/TEMP Digital Water Quality/temperature Detection Tester Purity Pen Kit
C $3.16 to C $19.80Was: C $3.43C $3.36 shippingProfessional IP67 Waterproof EC TDS salinity conductivity ORP pH water Test Pen
C $185.23 to C $355.02Was: C $315.57Free shippingMettler Toledo SG3 SevenGo Conductivity
C $599.96C $69.78 shippingProfessional PH/TDS/EC/Temperature Meter Digital Water Quality Monitor Tester
C $20.18 to C $20.94Was: C $22.76C $3.36 shippingPH Meter Tester Aquarium Pool Water Urine Wine LCD Pen Monitor Protable Digital
C $8.83C $1.28 shipping7 in 1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter
C $30.99 to C $33.60Was: C $35.37C $6.43 shippingOnline Conductivity Monitor Tester Digital Conductivity Meter With 0~1999us/cm
C $61.74Was: C $68.60or Best OfferFree shippingPH CALIBRATION BUFFER POWDER, 4.01 6.86 9.18, PROBE, TESTER, SOLUTION AQUARIUM
C $5.98C $34.28 shippingAWE PS183-20B PH Probe PS183-750-20-B for PS90S Dip PH electrode system
C $113.98or Best OfferC $44.41 shippingOnly 1 left!YSI MultiLab 4120 pH & Temperature Probe 3 MOL KCl Digital IDS Sensors 103750Y
C $377.26or Best OfferC $74.76 shipping7-in-1 PH/ORP/EC/TEMP/SALT/S.G/TDS LCD Backlight Water Quality Tester Meter Pen
C $27.98 to C $30.32Was: C $30.08Free shippingSonde d'��lectrode de pH connecteur BNC facile �� utiliser pour une mesure de pH
C $25.26Free shippingLCD Digital TDS EC PH Meter Tester Aquarium Pool Pen Water Meter PH Test Paper
C $1.70 to C $10.03C $5.13 shippingPH/ORP Controller with Monitoring and Dosing in Water App Remote Online Monitor
C $156.28Free shippingVintage Pye Unicam Ph Meter Model 293 Untested
C $60.00C $41.55 shippingHach Company HQ10 Portable pH-Meter Made in USA
C $178.37or Best OfferFree shippingVintage Scott-Sanchis Method Water Fluoride Tester JB5A
C $33.67or Best OfferThermo Scientific Orion 8155SC Ross Combination pH Electrode, Body: Epoxy, pH
C $68.60or Best OfferTURCK RKV 4,5T-7.7 RSV 4,5T/S90/S653 EUROFAST 25' CORDSET 57960-00 , HACH
C $91.09or Best OfferVWR SympHony H10P Portable pH Meter with Electrode
C $450.00or Best OfferPH Tester Meter Analyzer Benchtop Water Quality Meter with Resolution 0.01pH
C $482.96or Best OfferC $13.71 shippingSEKO KONTROL 100 /K100CDPM0000 SINGLE PARAMETER CONTROLLER
C $343.01or Best Offer