Portable High Range EC/TDS Meter

Hanna Instruments HI99301 High Range TDS/Conductivity Meter is made for brackish & high ionic strength water tests. Great for wastewater, reverse

Combo pH/Conductivity/TDS Tester (High Range) - HI98130

Digital Water Tester Tds Ec PH Meter High Precision Pen Type PH 0-14 Range for Hydroponics Household Drinking Pool Aquarium - AliExpress

Digital Water Tester TDS EC PH Meter High Precision Pen Type PH 0-14 Range for Hydroponics Household Drinking Pool Aquarium, Size: PH Meter + TDS & EC

Hanna HI-99301 Portable High Range EC/TDS Meter

High Accuracy Tds Meter Digital Water Tester Digital 0-14 Ph Meter Tester 0-9990ppm Tds&ec Lcd Water Purity Ppm Aquarium Filter - Ph Meters - AliExpress

PSC-150 Extended Range EC/TDS Controller

High performing portable conductivity meter MW306 – EC/TDS /Salinity/Temperature

1 Digital Water Quality Tester Ec Tds Ppm Thermometer Lcd Conductivity Test Pen Portable Filtration Tool, Measuring Range: 0-9999 Ppm - Temu Belgium

The HI991301 pH/EC/TDS Meter is designed specifically for use in manufacturing and environmental testing protocols, and combines 3 sensors.

Portable Waterproof pH/EC/TDS Meter (High Range)

HANNA HI991301 Portable Waterproof Multiparameter Meter (Hig

High Accuracy Portable TDS Meter Measures TDS, EC, Temperature, Data Retention, Rust Resistant Probe, with Storage Bag for Domestic Water, Swimming Pool, Aquaculture, and More: : Industrial & Scientific