Hanna HI98103 Checker® pH Tester with 0.1 pH Resolution

Description

The Hanna Checker pH Tester

The Hanna HI98103 Checker® pH Tester is a compact and reliable instrument designed to simplify pH measurement for a wide range of applications. This device is engineered for direct measurement, making it incredibly user-friendly for both professionals and hobbyists. It’s a pocket-sized meter that offers high accuracy and is suitable for environmental, field, and laboratory testing. The tester features an easy-to-read LCD screen and a single-button operation, which streamlines the entire testing process.

Essential Features for Accurate Measurement

Accuracy is paramount in pH testing, and the HI98103 Checker® pH Tester is built to deliver. It boasts an accuracy of ±0.2 pH at 25°C/77°F, ensuring dependable results. An on-screen stability indicator helps users achieve the most confident readings by signaling when the measurement is stable. This thoughtful feature eliminates guesswork and ensures that every reading is trustworthy. The device also offers a selectable auto-off feature, which can be set to 8 minutes, 60 minutes, or disabled entirely, helping to conserve battery life.

The Long-Lasting Power Source

Powering the HI98103 is a CR2032 Li-ion battery, which provides an impressive battery life of approximately 1000 hours of continuous use. This long-lasting power source ensures that the meter is ready for extensive use without frequent battery replacements. For added convenience, the device includes a low battery indicator that blinks on the screen when power is running low. This feature alerts the user well in advance, so they never miss a critical measurement.

A Replaceable Electrode for Extended Life

A key feature that sets the HI98103 apart is its replaceable electrode. This design choice extends the life of the entire unit. When the electrode wears out or is damaged, it can be easily replaced, eliminating the need to buy a whole new tester. This makes the HI98103 a more sustainable and cost-effective choice for long-term use. The included HI1271 pH electrode is specifically designed for general pH measurements.

The Tapered Electrode Design

The design of the supplied HI1271 pH electrode is highly functional and practical. It is 103 mm long and tapers to a small 8 mm diameter at the sensing end. This unique shape allows the electrode to easily fit into small-opening containers such as test tubes and vials, which is a significant advantage for various laboratory and field applications. The plastic body of the electrode also requires minimal maintenance.

All-in-One Testing Convenience

The HI98103 Checker® pH Tester is sold as a complete kit, providing everything a user needs to get started right out of the box. The package includes pH 4.01 and pH 7.01 buffer solutions, which are crucial for accurate calibration. These buffers are supplied in single-use sachets, ensuring that the buffer is fresh for each calibration and thereby maintaining the highest level of accuracy. The kit also contains an electrode cleaning solution to keep the probe in optimal condition.

The Importance of Proper Care and Maintenance

To maintain the high performance of the HI98103, proper care is essential. The instruction manual provides clear guidelines for maintaining the device. This includes conditioning the electrode by soaking its tip in a pH 7.01 buffer solution before first use and rinsing it with purified water before each measurement. Proper storage is also critical; the electrode should be stored with a few drops of storage solution in its protective cap to keep it hydrated.

Hanna HI98103 Checker pH Tester Applications

The HI98103 pH Tester is a versatile tool suitable for a wide range of uses. Its high accuracy and portability make it an excellent choice for environmental monitoring, such as testing the pH of water in rivers, lakes, and aquariums. In laboratory settings, it can be used for general-purpose testing of various solutions and samples. Its tapered electrode design is particularly useful for measuring pH in small containers, a common need in scientific research and quality control. The device is also great for agricultural applications, including soil and hydroponics testing.