Products

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

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

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

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

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

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

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

GX-E2 pH Electrode + 3m Cable + BNC Type Plug

GX-ORP2 Replaceable ORP REDOX Electrode 0~±1999 mV for ORP Meter 300cm

M0199720 6-in-1 Water Tester Combo Pen pH, ORP, EC, TDS, Salinity, & Temperature

ORP-1 ORP Redox Electrode, BNC Type Connector Replacement Probe for Tester Meter Monitor Controller Oxidation Reduction Potential Check, 14cm Long 1.2cm Diameter 300cm Extra Long Cable

ORP-1696 ±1999mV ORP REDOX Meter + Electrode Water Quality Tester Laboratory Aquarium Pool

ORP-235 pH mV ORP Temperature 3 in 1 Redox Meter, Removable Electrode Portable Water Quality Tester Thermometer Analysis for Hydroponic Aquarium Fish Tank

PC-104 pH CL2 Chlorine Level Meter Water Quality Tester Monitor

pH Powder Calibration Solution 4.01 7.00 10.01 pH set

PH-0093 Digital Pen-type pH Meter Tester Thermometer Temperature 0.00-14.00 pH range