Aqua Master Tools E300 Pro2 Substrate EC/Temp – checking EC in soil

Aqua Master E300 Pro2 – EC and Temperature Meter for Substrates (2nd generation)

The Aqua Master E300 Pro2 is a precise and portable meter designed to measure electrical conductivity (EC) and temperature directly in soil, coco, rockwool, and nutrient solutions. It provides fast and accurate readings, helping growers maintain optimal conditions for healthy plant growth.

With its replaceable probe and ergonomic design, the E300 Pro2 is easy to use, clean, and maintain. The IP65-rated waterproof housing ensures protection against moisture and dust, while Automatic Temperature Compensation (ATC) guarantees consistent accuracy in all environments.

The meter features an auto shut-off function after 8 minutes of inactivity to preserve battery life. Compact and lightweight, it’s ideal for both professional growers and home cultivation.

Key Features:

• Measures EC (0.0–19.9 mS/cm) and temperature (0–50°C)

• Automatic Temperature Compensation (ATC)

• One-point calibration using a 1.4 mS/cm solution

• Replaceable electrode with a 120 cm cable

• Waterproof design: IP65 body / IP67 probe

• Clear LCD display with power-saving function

• Power supply: 3× AAA batteries

• Auto shut-off after 8 minutes of inactivity

Technical Specifications:

The Aqua Master E300 Pro2 offers professional-grade accuracy, ease of use, and reliability — the perfect tool for monitoring substrate and nutrient solution quality in modern cultivation systems.