8-in-1 Digital Water Quality Tester – pH ORP TDS EC Salinity
8-in-1 Digital Water Quality Tester – pH ORP TDS EC Salinity
8-in-1 Digital Water Quality Tester Pen
Get a complete picture of your water's quality in seconds with this all-in-one digital testing pen. Measuring pH, TDS, EC, ORP, Salinity, Specific Gravity (S.G), Hydrogen-rich (H2), and Temperature, this compact device replaces a whole toolkit of separate testers. Whether you're checking tap water at home, monitoring a saltwater aquarium, or testing a pool, this versatile meter delivers fast, accurate readings every time. Made in Mainland China.
Key Features
- 8 Measurements in 1 Device: Simultaneously covers pH, TDS, EC, ORP, Salinity, S.G, Hydrogen-rich (H2), and Temperature — no need to buy multiple separate pens.
- Fast & Accurate Readings: A high-sensitivity probe delivers rapid, precise measurements with a bright backlit display for easy reading in any lighting condition.
- Seawater, Pool & Hydroponic Ready: Ideal for monitoring saltwater aquariums, swimming pools, hydroponic setups, and natural water sources — keeps your water safely within optimal ranges.
- Waterproof & Dustproof Housing: A tightly sealed, rugged casing resists dust and accidental water immersion, making it reliable in outdoor environments, kitchens, and labs.
- Ultra-Portable Design: Slim, pocket-sized, and lightweight — toss it in your bag for travel, camping, hiking, or everyday use wherever you need a water quality check.
- Backlit Digital Display: Clear, easy-to-read screen ensures accurate reading in dim or bright conditions.
- Battery Included: Powered by 3 × 1.5V button batteries (included) — ready to use right out of the box.
Specifications
- Measures: pH, TDS, EC, ORP, Salinity, S.G, H2 (Hydrogen-rich), Temperature
- Material: Durable plastic casing
- Battery: 3 × 1.5V button batteries (included)
- Size: 17.8 cm (compact pen form factor)
- Display: Digital LCD with backlight
- Country of Origin: Made in Mainland China
Who Is This For?
This multi-parameter tester is perfect for home users, aquarium hobbyists, hydroponic gardeners, pool owners, campers, and travelers who want reliable water quality data without carrying a bag full of separate instruments. One device — complete confidence in every drop.
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Frequently Asked Questions
Q: What parameters does this 8-in-1 water quality tester measure?
A: This digital water quality tester pen measures eight key parameters: pH, TDS (Total Dissolved Solids), EC (Electrical Conductivity), ORP (Oxidation-Reduction Potential), Salinity, Specific Gravity (S.G), Hydrogen-rich (H2) levels, and Water Temperature — all in one compact, portable device.
Q: Is this water quality meter suitable for testing aquarium or pool water?
A: Yes! The tester is specifically designed for multi-environment use, including saltwater aquariums, swimming pools, hydroponic systems, tap water, and natural water sources. The salinity and S.G. functions make it especially useful for marine aquarium keepers and pool maintenance.
Q: Is the tester waterproof and safe to use outdoors?
A: Absolutely. The device features a rugged, tightly sealed waterproof and dustproof housing that can withstand accidental splashes and immersion. It's built for use in demanding environments including outdoor hiking, camping, kitchens, and laboratories.
Q: Does it come with batteries?
A: Yes, the water quality tester pen comes with 3 × 1.5V button batteries included, so it's ready to use straight out of the box with no additional purchases required.