HM DIGITAL PH-80 Waterproof pH HydroTester

HM Digital PH-80 Waterproof pH HydroTester in Sri Lanka

Pocket-Sized pH Tester with ATC for Hydroponics, Pools, and Drinking Water

The HM Digital PH-80 Waterproof pH HydroTester is a compact, reliable pocket pH tester designed for fast, accurate pH readings in hydroponics, pools and spas, aquariums, water ionizers, and drinking water applications. Its water-resistant housing, simultaneous temperature display, and one-touch digital calibration make it a favourite entry-level pH testing tool for hobbyists and field professionals across Sri Lanka.

Discover our complete selection of pH Meters — portable testers, pen-type instruments, and professional pH analyzers available in Sri Lanka!

Factory calibrated to pH 7.0, the PH-80 features Automatic Temperature Compensation (ATC) across a 1–55 °C range, ensuring measurement accuracy even as sample temperature changes. The data-hold function, auto-off feature, and low-battery indicator make it practical for daily field and hobby use without any complicated setup.

Technical Specifications

pH Range: 0 – 14 pH

pH Resolution: 0.1 pH

pH Accuracy: ±0.2 pH

Temperature Range: 1 – 55 °C / 32 – 130 °F (simultaneous display)

Temperature Resolution: 0.1 °C / °F

Temperature Accuracy: ±2%

Calibration: One-point automatic digital calibration (factory set to pH 7.0)

Minimum EC/TDS: 10 µS / 5 ppm

Electrode: Glass sensor with reference tube electrode

Power: 3 × 1.5V LR44 button cell batteries (included)

Dimensions: 153 × 32 × 18 mm

Weight: 53.9 g

Key Features

ATC: Automatic Temperature Compensation for accurate readings regardless of sample temperature

One-Touch Calibration: Simple single-point digital calibration for fast field use

Simultaneous Display: pH and temperature shown on large LCD simultaneously

Data Hold: Freezes reading for easy recording in difficult-to-view positions

Auto Power-Off: Conserves battery life during standby

Water-Resistant Housing: Suitable for splash-prone field and poolside environments

Low-Battery Indicator: Alerts user before readings become unreliable

Applications

Hydroponics and indoor gardening nutrient solution monitoring

Swimming pool and spa pH maintenance

Aquarium and reef tank water quality checks

Drinking water and water ionizer testing

Educational and basic laboratory demonstrations

Package Includes

1 × HM Digital PH-80 pH HydroTester

Translucent protective cap

3 × 1.5V LR44 button cell batteries (installed)

pH 7.0 buffer powder sachet

Storage solution

For higher accuracy (±0.1 pH) and a fully waterproof IP-67 housing with a replaceable sensor, consider upgrading to the HM Digital PH-200 Waterproof Professional pH/Temp Meter.

Downloads

📄 Download HM Digital PH-80 Data Sheet
📄 Download HM Digital PH-80 User Manual