HM Digital COM-100 TDS, EC & Temperature Meter

HM Digital COM-100 TDS, EC & Temperature Meter in Sri Lanka

Waterproof TDS/EC Combo Tester for Water Quality Monitoring

The HM Digital COM-100 TDS/EC Meter delivers fast, reliable readings of total dissolved solids, electrical conductivity, and temperature in a single waterproof, pocket-sized probe. It is designed to help water treatment technicians, aquarium keepers, and quality control staff in Sri Lanka verify RO/DI water purity and mineral concentration on the spot.

Discover our complete selection of TDS and EC Meters – specifications, features, and water quality testers in Sri Lanka!

Featuring hold and auto-off functions, a wide 0–9990 ppm TDS range, and simple push-button calibration, this instrument streamlines routine water checks and helps prevent inaccurate readings from drift or contamination.

Technical Specifications

TDS Range: 0~9990 ppm | Resolution: 1 ppm (0–999), 10 ppm (1000–9990)

EC Range: 0~9990 µS/cm

Temperature Range: 32°F~80°F (0°C~26.7°C) display reference

Accuracy: ±2% Full Scale

Calibration: Single-point push-button calibration

Key Features

Functions: Hold and lock feature to freeze stable readings for easy recording

Waterproofing: Fully waterproof housing, floats if dropped in water

Display: Easy-to-read digital LCD with automatic display of TDS in ppm

Power: Single 3.6V battery with low battery indicator and auto power-off

Build: Compact, lightweight probe-style design for one-handed use

Applications

Drinking water and RO/DI filtration system verification

Aquarium and pond water mineral content monitoring

Swimming pool and spa water quality checks

Package Includes

1 x HM Digital COM-100 TDS/EC Meter main unit

Protective cap

3.6V battery (installed)

English user manual

Downloads

📄 Download HM Digital COM-100 Data Sheet
📄 Download HM Digital COM-100 User Manual