ATuMan TDS Water Quality Testing Pen

Fast & Accurate Readings

Equipped with a high-sensitivity sensor, this tester delivers precise measurements ranging from 0-4990 ppm (mg/L). With a resolution of 1 ppm and an accuracy of ±10% F.S., you get reliable data every time, instantly displayed on a large, easy-to-read digital screen. No wait time, no confusing calculations—just clear results in seconds.

Ultra-Portable & Ergonomic Design

Compact size (150mm x 16mm) and lightweight (~28g) make it perfect to carry in your pocket, toolbox, or backpack. The sleek, pen-shaped body fits comfortably in your hand, making it ideal for home checks, travel, or field testing. Slip it into your luggage for hotel water checks, or keep it in your kitchen for daily tap water testing.

Durable & Waterproof

Crafted with high-quality materials and a sealed shell, the tester is waterproof and dustproof. It can withstand accidental splashes and harsh conditions, ensuring long-lasting durability even in wet environments like kitchens, bathrooms, or outdoor gardens. Built to last through daily use and frequent testing.

Easy Operation

No complicated installation or training required. Simply turn on the unit, dip the probe into the water, and get your reading instantly! Powered by 2 x LR44 button cells (included), it’s ready to use right out of the box. Perfect for homeowners, renters, travelers, and hobbyists alike.

Size: 150mm*16mm

Net weight: 28g

Measuring Range: 0-4990PPM(mg/L)

Measurement Accuracy: ±10%F.S.

Resolution: 1ppm

Temperature Range: 0-60℃

Battery: 1.5V*2 (LR44 button cell)