Products

3080 Digital Pen type Salinity Meter Salinometer Salt Analyzer Replaceable Electrode Tester

3081 Digital Pen type Salinity Meter Salinometer Salt Analyzer Replaceable Electrode Tester

8012 Digital Pen type Salinity Meter Salinometer Salt Analyzer

835-1 Digital Waterproof EC Conductivity Temperature Meter Tester Pen-type, Dual Display Water Quality, Thermometer, IP65

836-1 Digital Conductivity TDS Meter, ppm ppt uS mS °C/°F Pentype Water Quality Tester with ATC

837-1 Salinity & Temp Meter, Pen Type Salt Water Quality Tester ATC NaCl 0~70 ppt, Handheld Measurement Monitor Tester, for Saltwater, Hydroponics, Pool, Aquarium, Fish Pond, Spa, Monitoring & Testing

837-1_SOL Pen Type Salinity & Temperature Meter ATC NaCl w/ Calibration Solution Set, Salt Water Quality Tester 70.0ppt for Saltwater Aquarium Hydroponics Food Pond Digital Measurement Tool

837-2 Salinity & Temp Meter Pen Type Salt Water Quality Tester ATC NaCl, 9999 ppm / 100.0ppt/ 10% / 0.95-1.08 SG Measurement Units 3-in-1 Checker for Saltwater Aquarium Pond Food Pool Cooking Seawater

837-2_SOL Pen Type Salinity & Temperature Meter ATC w/ Calibration Solution Set ppm / ppt / % / S.G. 4 Units, Salt NaCl Water Quality Tester for Saltwater Aquarium Pond Hydroponics Food Test

837-3 Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

837-3_bag Pentype TDS / Salinity / Temperature Tester Water Quality Meter ATC Multiple Units (ppt, ppm, S.G., %, °C, °F) Digital Tool for Saltwater Monitoring & Testing IP65 Waterproof Housing

8403 Professional Digital Large LCD Dissolved Oxygen DO Meter Tester Handheld Water Quality Tester with Temperature Measurement

868-1 0.0-14.0 pH & Temperature Meter ATC Dual Display, Portable Digital Pen-Type Tester, IP67 Waterproof Dustproof, for Hydroponics Aquariums Drinking Water Quality Control Testing

868-5 Waterproof pH meter with Temperature + Auto Calibration

868-9 Waterproof Digital pH Meter Tester Thermometer °C °F Replaceable Electrode Pentype Design

869-0 Professional pH Temperature Meter Tester °C /°F ±0.05pH High Accuracy Portable Water Quality Device

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

DOM-383 Digital Rechargeable DO Meter Dissolved Oxygen Tester with Floating Probe Long Cable Electrode, ATC

E-1325M 0-14 pH Electrode Probe BNC Connector, 300cm Cable for PH Meter Monitor Controller Test Sensor, Replacement Kit for Aquarium Hydroponics Plant Pool Spa

E-2627 PH Probe with BNC Connector, 150cm Long Cable 0-14pH Test Sensor Electrode for PH Meter Monitor Controller, Replacement Kit for Aquarium Hydroponics Plant Pool Spa