Bluelab Combo Meter for pH, Temperature & Conductivity in Water - Easy Calibration, Digital EC/TDS/PPM Tester for Hydroponics & Indoor Plants (METCOM)
4.4 out of 5
Based on 933 customer reviews
Digital TDS Meter, Hofun 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics
Based on 2,301 customer reviews
Apera Instruments PCO60-Z Bluetooth pH/Conductivity/ORP/Redox/TDS/Salinity/Resistivity Smart Multi-Parameter Meter Tester Kit Powered by ZenTest Mobile App with Cloud-Based Datalogger
YINMIK pH Salt Meter 5 in 1 pH TDS EC Salinity Tester for Pool Spa Aquarium Hydroponic Saltwater Digital pH and PPM Tester for Household Drinking Water Hot Tub Home Brewing Fish Tank…
Sper Scientific 840087 pH Meter
GIDIGI Digital pH EC Meter Smart Hydroponics pH Meter with WiFi for Real Time Large Screen with Multiple Parameters Displayed Simultaneously pH EC Monitor Salt Meter ORP Tester for Aquarium
UIUZMAR pH Meter for Hydroponics EC pH Monitor pH ppm Tester for hydroponics System Simultaneous Measurement of pH EC TDS Temperature for DWC Setup Hydro Reservoir Tank, Aeroponic Garden
2025 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9999ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm) /Salinity (ppt) /Temp. Multi-Parameter Pocket Tester Kit
2025 Upgraded TDS Meter Digital Water Tester, Lxuemlu Professional 3-in-1 TDS, Temperature and EC Meter with Carrying Case, 0-9999ppm, Ideal ppm Meter for Drinking Water, Aquariums and More
Apera Instruments SX751 pH/ORP/DO/Conductivity/TDS/Salinity/Resistivity/Portable Handheld Multiparameter Meter Kit, Silver
4.2 out of 5
Based on 19 customer reviews
Ohaus 30031656 ST300D-B DO Meter
Hanna Instruments HI 99151 Portable Waterproof pH/Temperature Meter, for Beer
ORAPXI Pool Salt Tester Salinity Meter 6 in 1- Salt Ph ORP TDS EC Temp Meter pH Meter for Pool Salt pH ORP Tester pH and EC Tester for Hydroponics, Saltwater Pool, Hot Tubs, Aquarium
Generic PH Meter Digital Water Quality Tester - 7 in 1 Water Salinity Testing Kit with PH Temp EC TDS ORP S.G. and Salt - High Accuracy Water Test Equipment for Aquarium and Swimming Pool, WT367
Bluelab PENCON Conductivity Pen and Digital TDS Meter, Water Tester for Temperature and Nutrient (CF, EC, PPM 500, PPM 700), TDS Testing Kit for Hydroponic System and Indoor Plant Grow
YSI 3059 Standard Flow Cell for 556MPS, 600XL, and 600XLM Multiparameter Instruments, 203 mL
Oakton WD-35634-30 pHTestr 30 pH Tester, For Temperature
Based on 23 customer reviews
Gain Express VC3165 Radio Frequency Counter 0.01Hz~2.4GHz w/BNC Test Leads, High Resolution Professional RF Signal Meter Tester, 8 Digits LED Display
Thermo Scientific Orion Star A211 Benchtop pH/ISE/mV/Temperature Meter
4.5 out of 5
Based on 3 customer reviews
Epsilont EPS1000MM Digital Multimeter, Auto-Ranging Digital Measuring instrument Ac Voltage Detector Amp Ohm Volt Meter Multi Tester Diode with Backlight LCD Display
4.8 out of 5
Based on 73 customer reviews
B&K Precision 851 Deluxe Eprom Eraser, 30 min. Timer Setting
5.0 out of 5
Based on 2 customer reviews
Membrane Solutions PH Meter for Water 0.01 PH High Accuracy Water Quality Tester with 0.00-14.00 PH Measurement Range, with ATC, Auto Calibration, for Household Drinking, Pool and Aquarium ...
Hanna Instruments Grochek LCD pHep 4 Waterproof PH Temperature Meter | HI98127