HM COM 300 4-in-1 Waterproof Digital TDS EC PH Meter

Ultra-Precision Testing
Advanced sensor technology delivers instant, accurate readings for TDS (0-9990 ppm), EC (0-9990 µS/cm), and pH (0-14.0) with ±2% high accuracy.
Rugged & Waterproof Design
IP67-rated casing withstands splashes, dust, and harsh environments—ideal for labs, hydroponics, aquariums, and outdoor field tests.
Large Auto-Calibration Screen
Backlit LCD displays all four metrics simultaneously; includes automatic temperature compensation (0-80°C) for reliable results.
Long-Lasting & Portable
Powered by 2x 1.5V button batteries (included) with energy-saving auto-off; compact size fits pockets for on-the-go testing.
Premium Electrode & Probe
Titanium alloy-coated sensor resists corrosion, while the reinforced ABS body ensures durability for industrial or home use.
Multi-Scene Application
Essential for water purification, brewing, pool maintenance, agriculture, and scientific research—instant data for quality control.
Exclusive Bulk Pricing
Direct factory supply guarantees unbeatable wholesale rates—no middlemen, no hidden costs. Order in bulk for global logistics support.