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Banowi · Tools & Measuring
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Know Your Water Before You Drink It The TDS Water Quality Tester Pen gives you an instant, accurate reading of your water's purity in under 5 seconds. Whether it's tap water, a RO/UV purifier, a water tank, or bottled water — just dip the pen and get your answer. No guessing, no waiting, no lab visit. Why You Need One - Instant Results: Accurate TDS (Total Dissolved Solids) and temperature reading in just 5 seconds. - Know What You're Drinking: Catch high mineral content, contamination, or a failing water filter before it affects your family's health. - Works Everywhere: Test tap water, RO/UV purifiers, water tanks, bottled water, aquariums, and pools. - Pocket-Sized & Portable: Compact pen design — carry it in your bag, car, or kitchen drawer. - Simple One-Button Operation: No calibration, no manual required. Turn on, dip, read, done. - Clear Digital Display: Large LCD shows PPM readings instantly, even in low light. - Durable & Battery Operated: Built to last, ready whenever you need it. How to Use Remove the protective cap and turn on the meter. Dip the sensor into your water sample up to the marked line and stir gently. Wait 5 seconds for the reading to stabilize. Press HOLD to lock the reading and check your result. Rinse the sensor with clean water and replace the cap after use. Reading Guide (TDS in PPM) 0–50 PPM: Excellent, safe for direct drinking | 50–300 PPM: Good, typical tap/filtered water | 300–500 PPM: High, filtration recommended | 500+ PPM: Poor, avoid drinki
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