AEROSPRING 3-in-1 Waterproof Multifunction Digital Meter, Measures Electrical Conductivity (EC), pH and Temperature Functions Specially Designed for Hydroponic Systems
from $35.00 ($10.94 / oz)
Apera Instruments AI502 EC700 Benchtop Lab Conductivity/Temperature Meter, Plastic, 1% F.S Accuracy, 0-200.0 mS/cm Range, 1-4 Points Auto Calibration
$282.02
from $280.50
Hofun TDS Meter Digital Water Quality Tester, TDS, Temperature & Conductivity Meter 3 in 1, 0-4999 ppm, EC Meter, Digital Water Hardness Testers for Drinking Water, PPM Meter for Hydroponics Aquarium
from $13.91 ($13.91 / oz)
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
$89.54
from $76.77
Extech EC410 ExStik Conductivity/TDS/Salinity Kit
from $139.99
Apera Instruments, LLC-AI314 Premium Series EC60 Waterproof Conductivity Pocket Tester Kit, ±1% F.S Accuracy, Easy Switch of EC/TDS/Salinity, Replaceable Probe
from $93.50
LAWNFUL 2-In-1 Digital Soil Meter for Conductivity & Temperature, Professional Soil Themometer EC Meter, Soil Test Kit with LED Display for Gardening, Lawn, Indoor&Outdoor Plant, Potting, Farm (White)
from $23.99
Bante 902P Portable pH Conductivity Meter | Multi-Parameter Meter for Measuring pH, Conductivity, TDS, Salinity, Resistivity, ORP and Temperature | Accuracy ±0.002 pH, ±1% F.S.
from $350.00
Conductivity Standard 2-Pack — 250 mL (8.4 fl oz) Each: 100 μS and 1413 μS — NIST Traceable — for 2-Point Calibration
from $18.50
DROK 10K Temperature Sensor Probe, 5pcs 1 Meter Waterproof Temp Sensor Probe, Stainless Steel 3950 NTC Temp Sensor Probe, Digital Temperature Transmitter Extension Cable
$9.99
from $8.99
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