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pH/ORP/EC/TDS/DO/Temperature/Chlorine Meters
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HM Digital TDS Tester – Pocket-Size Water Quality Meter, Factory Calibrated
HM Digital TDS Tester – Affordable, Accurate Water Quality Testing
The HM Digital TDS Tester is a compact, easy-to-use meter designed for quick and reliable Total Dissolved Solids (TDS) measurement. Whether you're testing drinking water, monitoring a hydroponic reservoir, checking aquarium water quality, or verifying RO/filter output, this pocket-sized tester delivers instant results without breaking the budget.
Key Features
Measures Total Dissolved Solids (TDS) in water
Factory calibrated with a 342 ppm NaCl solution for out-of-the-box accuracy
Large, easy-to-read LCD display
Auto-off function to conserve battery life
Pocket-size and lightweight — ideal for field or home use
Low cost without sacrificing quality — perfect as a promotional item or bundle add-on
Ideal Applications
Drinking water and tap water quality checks
Reverse osmosis (RO) and filtered water verification
Hydroponics and aquaponics nutrient monitoring
Aquarium and fish tank water testing
Pool and spa water quality
Specifications
Measurement: TDS (Total Dissolved Solids)
Calibration: Factory calibrated at 342 ppm NaCl
Display: Large LCD
Auto-off: Yes
Form Factor: Pocket/pen-style
Brand: HM Digital
