Extech PH90 Waterproof pH Meter - Pocket Digital Tester for Water, Beverages, Aquariums, Pools & Labs, 0-14 pH Range, Replaceable Electrode, Auto Calibration, LCD Display

★★★★★ 4.4 15 reviews

$126.24
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$126.24
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Free shipping Free 30-day returns

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Product details

Management number 211707618 Release Date 2026/04/04 List Price $50.50 Model Number 211707618
Category

The Extech PH90 Waterproof pH Meter combines precision, durability, and convenience in one sleek device. With an impressive ±0.01 pH accuracy and built-in temperature measurement, this meter gives you the confidence to tackle everything from water quality testing to hydroponics, aquaculture, swimming pools, beverage production, and lab applications. Engineered with a rugged waterproof housing, the PH90 is ready for field work in demanding environments, while its 3-point automatic calibration and auto buffer recognition take the hassle out of setup. The replaceable electrode ensures long-term reliability, making it a cost-effective choice for professionals and hobbyists alike. Compact enough to slip into your pocket yet powerful enough for professional use, the Extech PH90 is the ultimate portable pH tester for anyone who values accuracy, dependability, and simplicity.

  • Reliable pH Testing Anytime, Anywhere - Whether you're checking pool water, testing aquariums, or ensuring lab accuracy, this waterproof digital pH meter delivers quick, trustworthy results on the spot.
  • Wide 0-14 pH Measurement Range - Covers the full scale of acidity and alkalinity, making it a versatile tester for everything from drinking water and hydroponics to food processing and environmental studies.
  • Simple One-Touch Calibration - Automatic calibration ensures you get consistently accurate readings without the hassle of manual adjustments, saving you time and reducing human error.
  • Durable & Waterproof Design - Built to withstand splashes and wet conditions, this pocket-sized tester is perfect for fieldwork, outdoor testing, and everyday water quality checks without worry.
  • Replaceable Electrode & Clear LCD Display - Extend the life of your device with replaceable probes while enjoying easy-to-read digital results on a bright display, even in low-light environments.
Color Blue/Grey
Style PH90
Batteries 2 Lithium Metal batteries required. (included)
Item Weight 2.88 ounces
Part Number PH90
Manufacturer Extech
Power Source Battery Powered
Number Of Pieces 1
Battery Cell Type Alkaline
Item model number PH90
Batteries Included Yes
Batteries Required Yes
Measurement System Metric
Product Dimensions 6.7 x 1.4 x 1.4 inches
Included Components Flat surface pH electrode, cap, batteries (pH buffers sold separately).
Item Package Quantity 1
Is Discontinued By Manufacturer No

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4.4 out of 5
★★★★★
15 ratings | 6 reviews
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