Chemi Scientific Enterprises

We offer the HM Digital TDS-3 Meter, a reliable and portable device for measuring Total Dissolved Solids (TDS) in water. Widely used in water purification, aquariums, hydroponics, laboratories, food & beverage, and industrial applications, this meter ensures quick and accurate water quality testing anytime, anywhere.

The HM TDS-3 features a digital LCD display for clear readings, a measurement range of 0–9990 ppm, and built-in Automatic Temperature Compensation (ATC) for precise results in varying water conditions. Its compact, pocket-sized design makes it convenient for both professionals and household users.

Key Features:

• Measurement Range: 0–9990 ppm

• Accuracy: ±2% with ATC

• Compact and handheld design with protective cap

• Hold function to save readings for convenience

• Long battery life with auto-off function to conserve power

Versatile Measurements
Measures Electrical Conductivity (EC), Total Dissolved Solids (TDS), and temperature. Some models also include resistivity and salinity modes.

Probes & Temperature Compensation
Equipped with a four-ring conductivity probe for high accuracy and reduced polarization errors. Built-in temperature sensor enables automatic temperature compensation (ATC), with adjustable compensation coefficients available in advanced models.

Calibration & Conversion Options
Auto-ranging function selects the correct measurement range automatically. Adjustable EC–TDS conversion factor (typically 0.40 to 1.00) allows accurate calibration for different sample types.