5-in-1 Digital Water Quality Tester - pH, TDS, EC, Salinity & Temperature Meter for Drinking Water, Aquariums & Hydroponics

This multifunction water quality meter  (M51) combines five essential measurements in one instrument: pH, TDS, electrical conductivity (EC), salinity, and temperature. This makes it a versatile solution for both routine monitoring and professional applications.

The tester is equipped with a high-sensitivity electrode and a temperature compensation sensor, ensuring stable and precise readings across a wide measurement range. The backlit LCD display allows users to view multiple parameters at once, even in low-light environments.

With its lightweight design (95 g) and compact size, the M51 is suitable for field work as well as laboratory use. It is widely applied in drinking water testing, aquaculture systems, hydroponics, swimming pools, and research areas.

Technical Highlights

1. Parameters Measured: pH, TDS, EC, salinity, temperature
2. Measurement Ranges: pH: 0.00–14.00, TDS: 0–19,999 ppm, EC: 0–19,999 μS/cm, and Salinity: 0–19,999 ppt. Temperature: 0–60 °C (32–140 °F)
3. Compensation: Automatic Temperature Compensation (ATC)
4. Display: Digital HD backlit LCD
5. Power Supply: 4 × 1.5 V LR44 batteries
6. Dimensions: 16 × 1.5 × 1.5 cm
7. Weight: 95 g

The M51 delivers fast, accurate, and multi-parameter water analysis in a compact device  - it is ideal for professionals who need reliable results on the go.