Designed to bring simplicity to pH testing during the any process, the HI98103 Checker^® pH Tester is designed for direct measurement. A replaceable electrode extends the life of your tester.

±0.2 pH accuracy
Comes with all the necessary solutions and batteries- everything you need to get started measuring right away.

Better Features for Better Testing

An onscreen stability indicator ensures the highest level of confidence in your results. The selectable auto-off feature prolongs battery life for peace-of-mind and energy savings if the meter is accidentally left on.

Pocket Sized

The compact size makes the HI98103 Checker^® pH tester ideal for on-the-go testing. A large LCD display provides at-a-glance readings from any angle and single button operation streamlines the testing process for any user.

Long Battery Life

The included CR2032 Li-ion battery provides up to 1000 hours of continuous use. The battery icon will blink to let you know it is time to change the battery so you never miss a measurement.

Your measurements require detailed attention; so should your electrode. The HI98103 features a replaceable electrode that is ideal for general pH measurements.

Tapered Electrode Design

The supplied HI1271 pH electrode is 103 mm long and tapers to an 8 mm diameter at the sensing end to easily fit into test tubes, vials, and other containers with a small opening.

Plastic Body

The plastic body is significantly reduces necessary maintenance.

No-hassle Replacement

Don’t let a broken electrode stop you from testing. Simply unscrew the old electrode, and screw on a new one.

We believe that buying a tester should be simple. Your HI98103 Checker^® pH tester is equipped with everything you need for successful testing right out of the box.

Electrode Cleaning Solution

Your Tester comes with cleaning solution that has been engineered to keep your electrode free from build up. This concentrated combination of detergents cleans your tester quickly and effectively so that your tester stays in optimum condition.

pH 4 & 7 Buffer Sachets

When performing a pH calibration it is important that the correct buffers are used. We include some start buffers to get you going. The single-use sachets are individually sealed so you use fresh buffer each time you calibrate.

Storage Solution

Proper storage of your electrode will ensure reliable measurements and a long electrode life. Our storage solution is specially formulated to keep the pH glass hydrated while minimizing organic growth.