Water Quality Meters

835-1 Dual Display Conductivity Temperature Meter, uS/mS, C/F, Auto Range, Multi Calibration Point

From $21.86

836-1 Digital Conductivity TDS 0~1999ppm 0~19.99ppt Meter, ATC, 0~1999µS 0~19.99mS C/F

From $19.87

837-1 Salinity & Temp Meter, Pen Type Salt Water Quality Tester ATC NaCl 0~70 ppt for Saltwater, Hydroponics, Pool

From $26.28

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester

From $133.20

868-5 Waterproof pH meter with Temperature + Auto Calibration

From $19.21

868-9 Waterproof Pen type pH 0-14pH Temperature Meter ATC Digital Tester, Thermometer, 1-Touch Multi-Calibration with Pouch, Auto Buffer Solution Recognition

From $34.44

869-0 Waterproof 2-in-1 pH & Temperature Meter, ATC, Digital Water Quality Testing Tester w/ ±0.05pH Accuracy, for Spa, Aquarium, Pool, Laboratory, AquaCulture, Hydroponics

From $33.12

E-1325M 0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor

From $8.16

E-2627 PH Probe with BNC Connector, 150cm Long Cable 0-14pH Test Sensor Electrode for PH Meter Monitor Controller

From $8.16

EC-1383 Pen Type EC / Hydroponics / Nutrient Meter (0~19.99ms/cm)

From $7.32

EC-1385 Digital 3-in-1 EC / CF / TDS Meter Combo Water Quality Tester IP65 Waterproof Conductivity with ATC

From $22.42

ECM-226 3-in-1 Conductivity EC & pH & Temperature Meter Multi-parameter Tester

From $21.19

ECM-231 Online PH & EC Conductivity Monitor Meter Tester ATC, Water Quality Real-time Continuous Monitoring, Rechargeable

From $21.60

ECS-23852 0.4 - 4.4EC EC/ppm/CF Nutra-wand / Hydroponic Meter Stick

From $19.36

FC-003 Water ph Chlorine Tester Quality Pool CL2 Test Kit Chlorine HydroTools

From $3.85

GX-E1 Single Cylinder pH Electrode + Long Cable + BNC Type Plug + 2 Buffer Solutions

From $8.56