Portable TDS Tester Pen Water Quality Meter

Accurate, On-the-Spot Water Quality Testing

This portable TDS Tester Pen Meter provides a quick and reliable way to check the total dissolved solids (TDS) in your water. Designed for everyday users and field professionals, it measures dissolved substances such as soluble salts, ionic organics, and heavy metal ions, helping you assess water quality in seconds. The compact pen-style body fits easily in a pocket or toolkit, while the clear digital display ensures readings are simple to read and interpret.

With straightforward single-button operation, this tester is ideal for checking drinking water, filtered water, aquarium water, and other freshwater sources. Simply collect a small water sample, immerse the probe, and press the button to view the TDS value on the integrated LCD screen. Typical reference values: water around 300 mg/L TDS is considered very good, while levels above 1,200 mg/L indicate highly contaminated water that is not suitable for consumption. The meter arrives ready to use, complete with pre-installed button cell batteries.

Why It's a Smart Choice

• Fast digital readings - Get instant TDS values on the LCD screen for quick decision-making.
• Portable pen design - Lightweight (approx. 30 g) and compact, convenient for home, office, or field inspections.
• Simple one-button use - No complex setup; turn on, test, and read the result within seconds.

FAQ

Q: What does this TDS tester measure?
A: It measures total dissolved solids in water, including soluble salts, ionic organic substances, and heavy metal ions, and displays the result as mg/L (ppm).

Q: Is it suitable for testing tap and filtered water at home?
A: Yes. It is commonly used to compare tap, filtered, and bottled water to monitor filter performance and general water quality.

Q: Do I need to buy batteries separately?
A: No. The tester is supplied with 2 button batteries already included, so you can start using it immediately.

Q: Can professionals use this device in the field?
A: Yes. Its compact size and quick readings make it useful for engineers, health workers, and other professionals who need rapid on-site water checks.