pH/TDS Meters happyhydro | Bluelab PPM Pen, EC TDS Temp, Waterproof

• Fully waterproof, not just water-resistant
• Selectable measurement units so you can customise with your preferences
• Flat electrode for easier cleaning and maintenance
• Hold reading function to capture every measurement with ease
• Automatic temperature compensation for accurate readings anywhere
• Auto-off function to extend battery life
• 1 x AAA alkaline battery included, getting you started immediately

Providing quick and accurate readings at the click of a button, you can rest assured that the user-friendly Bluelab Conductivity Pen will give you reliable results, every single time.

In addition, this product offers a range of in-built measurement units, so you’ll be able to customise it according to your preference. For conductivity readings, you can choose between EC, CF, PPM 500 (TDS) or PPM 700; for temperature, you can select ˚C or ˚F.