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HI-98100 Checker Plus pH Tester

HI-98100 Checker Plus pH Tester

Hanna HI-98100 Checker Plus pH Tester

HI-98100 Checker Plus pH Tester

Range: 0.00 to 14.00 pH
Accuracy: ±0.2 pH
In Stock
£48.90 (exc. VAT) £58.68 (inc. VAT)
The easy to use Checker plus is a real favourite with students and researchers due to its clear LCD display and long thin pH electrode. The checker offers automatic calibration and buffer recognition, calibrated buffer tags, stability indicator, low battery indicator and selectable automatic shut off. Ideal for measurements in test tubes and vials.

HI-98100 Checker Plus pH Tester information

Hanna's extended description

The HI-98100 Checker Plus provides users with fast and accurate readings from 0 to 14 pH with a resolution of 0.01 pH. The Checker Plus features and easy to read LCD and two-point calibration with automatic buffer recognition.

The HI-1271 pH electrode can be easily replaced. You only need to unscrew the electrode from the meter body and screw on a new one.

HI-98100 is fast, accurate and lightweight. With 1000 hours of battery life, there is no need to worry about frequent battery replacement.

More features:

  • Sturdy compact meter designed for direct sample testing
  • Fast accurate readings from 0-14 pH with a resolution of 0.01 pH
  • Thin long-reach pH electrode designed to fit easily into a test tube
  • Replaceable pH electrode
  • Economical
  • Highly accurate
  • Large LCD
  • Stability indicator
  • Automatic shut-off
  • Plastic carry case
  • One or Two point automatic calibration is simple to perform. The calibration buffers are automatically recognised and after calibration the buffer values used are shown on the display as a tag.

The HI-1271 pH electrode can be easily replaced, just unscrew the electrode from the meter body and screw on a new one.

Calibration can be performed directly in our solution sachets.

An easily removable cover provides access to the replaceable battery.

Supplied in a carrying case with buffer and cleaning solutions.

Your meter will require maintenance solutions, whether it is cleaning, buffer/calibration, storage, conductivity standards etc., solutions are available in a variety of sizes. Check whether the solution you require is available in 1 gallon, 500ml, or 230ml bottles, or individual 20ml sachets. See our full range here.

Hanna recommends the following solutions for this meter:

  • Buffers pH4, pH7 & pH10
  • Cleaning solution
  • Storage solution


Specifications list


Range pH 0.00 to 14.00 pH
Resolution pH 0.01 pH
Accuracy pH ±0.2 pH
Calibration automatic, 2 points
Electrode HI 1271 (included)
Battery Type / Life CR2032 Li-ion/ approximately 1000 hours of continuous use
Environment 0 to 50°C; RH max 95%
Auto-off 8 minutes
Dimensions 50 x 174 x 21mm
Weight 50 g
Ordering information: HI-98100 is supplied with HI-1271 pH electrode, pH4.01 buffer solution sachet (2), pH 7.01 buffer solution sachet (2), electrode cleaning solution sachet (2), battery, quality certificate, and instruction manual in a carrying case. Available to buy separately: HI-70300L electrode storage solution, 500ml bottle; HI-700601p General purpose cleaning solution 20ml sachets x 25; HI-770710p pH 10.01 and 7.01 buffer solution, 20ml sachets x 5 of each. Six batteries: TESTER-BATT
Great service

Tester is easy to use - by Trusted Customer

Great service and products

I like the design of this tester and its additional features. - by Trusted Customer

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