Hanna - CHECKER Plus pH tester

The Hanna CHECKER Plus pH tester is the reliable choice for every marine aquarium enthusiast who takes accurate pH measurements seriously. With this compact and user-friendly meter, you can check effortlessly...

The Hanna CHECKER Plus pH tester is the reliable choice for every marine aquarium enthusiast who takes accurate pH measurements seriously. With this compact and user-friendly meter, you can effortlessly check the water quality of your marine aquarium, laboratory, or pond. The CHECKER Plus is loved worldwide for its precision, durability, and intuitive design. Whether you are a beginner aquarist or a seasoned specialist, this pH tester always delivers professional results.

Why choose the Hanna CHECKER Plus?

• Instantly accurate pH values : Quickly and reliably measure pH between 0.00 and 14.00 with a resolution of 0.01 pH.
• Simple operation : Thanks to the one-button operation, measuring pH has never been easier.
• Replaceable electrode : The HI1271 electrode is easy to replace, which extends the lifespan of the device.
• Automatic calibration : Calibrate to one or two points at the touch of a button for maximum measurement accuracy.
• Compact design : Thanks to the slim, pentagonal housing, the electrode fits effortlessly into small test tubes and vials.

Perfect for the marine aquarium

A stable pH value is crucial for the well-being of corals, fish, and invertebrates in your marine aquarium. With the Hanna CHECKER Plus, you can easily monitor water parameters and prevent fluctuations that can cause stress or health problems. The meter is suitable for both freshwater and saltwater, making it versatile for every aquarist.

• Suitable for small and large aquariums
• Also ideal for laboratory applications
• Fast measurements, immediate result on the large LCD screen

Innovative features for everyday convenience

• Stability indicator : The display indicates when the measurement is stable, so you always read the value at the right moment.
• Automatic shutdown : Set the automatic shutdown function to 8 or 60 minutes, or switch it off for prolonged use.
• Long battery life : With approximately 1,000 hours of use per battery, you don't have to worry about sudden failure.
• Low battery indicator : Timely visibility of when the battery needs replacing.

What do you receive with the Hanna CHECKER Plus?

• HI1271 gel-filled pH electrode
• Buffer solutions pH 4.01 and 7.01 (2 x 20 ml per value)
• Electrode cleaning solutions (2 x 20 ml)
• Clear Dutch manual
• Quality certificate
• Sturdy plastic carrying case for safe transport and storage

Technical specifications in brief

• Measuring range: 0.00 to 14.00 pH
• Resolution: 0.01 pH
• Accuracy: ±0.2 pH
• Calibration: automatic, one or two points (pH 4.01, 7.01, 10.01)
• Electrode: HI1271, replaceable, tapered to 8 mm
• Dimensions: 174 x 50 x 21 mm
• Weight: 50 grams
• Operating temperature: 0 to 50°C, max. 95% humidity

Who is this pH tester ideal for?

The Hanna CHECKER Plus is perfect for every marine aquarium owner who values reliable water parameters. This tester is also a widely used standard in education, research, and laboratories. Thanks to its affordable price and robust design, it is a smart investment for both the hobbyist and the professional.

Do you want to always be sure of a stable and healthy marine aquarium? With the Hanna CHECKER Plus pH tester, you choose quality, ease of use, and precision. Order today and experience the difference in your aquarium maintenance!