Water Quality Meters – Gain Express Wholesale Deals

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

Regular Price $ 0.00 USD

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

Regular Price $ 24.90 USD

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

Regular Price $ 25.10 USD

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter with ATC

Regular Price $ 23.90 USD

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester

Regular Price $ 154.50 USD

868-5 Waterproof pH meter with Temperature + Auto Calibration

Regular Price $ 22.90 USD

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

Regular Price $ 39.90 USD

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

Regular Price $ 38.90 USD

8694 Long Glass Tube Pentype pH Meter Sharp Tip Probe Digital Water Quality Tester Dual Display with ATC 2.0~12.0pH Measurement Range

Regular Price $ 75.90 USD

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AZ-8891 Waterproof Digital Thermometer Monitor Beer Wine Meter

Regular Price $ 0.00 USD

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Cond-21 Waterproof Professional Digital 19990us/cm ATC Conductivity Meter EC Tester Taiwan Made

Regular Price $ 0.00 USD

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

Regular Price $ 9.90 USD

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

Regular Price $ 0.00 USD

E-312 High Accuracy pH Electrode with Calibration Powder, 0-14 pH Probe with BNC Connector & 300cm Cable for Wide Application

Regular Price $ 8.59 USD

E-313 Accurate & Fast Combination pH Electrode w/ Long BNC Connector Cable & Calibration Powder, 0~14 pH Measurement Range for Sea Water and Acid Rain

Regular Price $ 11.90 USD

E-314 Replacement pH Electrode with Calibration Powder, 0-14 pH Highly Accurate Probe with BNC Connector & 200cm Cable for Continuous Liquid Measurement

Regular Price $ 12.90 USD

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EC-1382 Digital EC Conductivity Meter Tester Water 0~1999 us/cm with ATC & Electrode

Regular Price $ 0.00 USD

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

Regular Price $ 8.90 USD

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

Regular Price $ 25.90 USD

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

Regular Price $ 24.90 USD