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HM Digital Meters COM-80 EC/TDS/Temp Waterproof Hydro Tester

Name: HM Digital Meters COM-80 EC/TDS/Temp Waterproof Hydro Tester
Brand: HM Digital Meters
SKU: HMDCOM80
Price: 59.27 USD
Availability: OutOfStock

Marca: HM Digital Meters

Tipo: Meters and Solutions

$59.27 USD

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Product Overview

The HM Digital COM-80 is a professional waterproof EC/TDS and temperature meter designed for hydroponic growers who need precise nutrient solution measurements. The COM-80 measures EC (electrical conductivity) and TDS (total dissolved solids) to help you maintain optimal nutrient concentration in your reservoir — a fundamental step to avoiding under- or over-feeding your plants.

Key Features:

Measures EC, TDS (PPM), and temperature
Waterproof housing — ideal for regular grow room use
Hold function for easy reading
Automatic temperature compensation (ATC)

Specifications

Brand: HM Digital | Model: COM-80 | Type: Combo EC/TDS/Temperature waterproof meter
Measures EC (0.00-20.00 mS/cm), TDS (0-9990 ppm), and temperature (0-80 C / 32-176 F) in one device
Automatic temperature compensation (ATC) ensures accurate EC and TDS readings across varying solution temperatures
Selectable TDS conversion factor (NaCl 0.5 or 442 factor 0.7) to match different measurement conventions
Fully waterproof housing rated for submersion — includes protective cap, battery, and carrying case

Use & Care

Calibrate with a standard EC solution before first use and every 1-2 weeks for best accuracy
Submerge probe fully and allow 5-10 seconds for readings to stabilize before recording
Rinse probe with clean water after each use to prevent salt and mineral build-up on the electrodes
Replace battery (LR44 or equivalent) when the low battery indicator appears to maintain accuracy
Store with the protective cap on — keep probe moist between uses by storing with a small damp cloth inside the cap

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