Checker® Plus pH Tester with 0.01 pH Resolution - HI98100

SKU: HI98100

Ships within 1-2 Business Days

The HI98100 Checker Plus is the next generation of the original Hanna Checker pH tester. The Checker is the most popular pH meter in the world with over 1 million meters used since its introduction in 1991. From students to researchers, the Checker has been helping people with their pH measurement as a meter that is simple to use and operate.

  • One-button operation
  • Replaceable pH electrode
  • ±0.2 pH accuracy

pH checker


Large LCD displays stability indicator, low-battery indicator and calibration tags

Replaceable pH electrode the HI1271 gel-filled pH electrode fits easily into containers with a small opening

Automatic calibration to one or two points that are automatically recognized and  buffer values are displayed on the LCD

Stability indicator displayed on the LCD until a stable reading is obtained

Long battery life of approximately 1000 hours 



More Information
SKU HI98100
Product Name Checker® Plus pH Tester with 0.01 pH Resolution - HI98100
Quote Required No
pH Range 0.00 to 14.00 pH
pH Resolution 0.01 pH
pH Accuracy ±0.2 pH
pH Calibration automatic, one or two points with three standard buffers available (pH 4.01, 7.01 and 10.01)
pH Electrode HI1271 pH electrode with screw type connector (included)
Automatic Shut-Off 8 minutes, 60 minutes, or can be disabled
Battery Type/Life 1.5V CR2032 (1) / approximately 1000 hours of continuous use
Environment 0 to 50°C (32 to 122°F); RH max 95%
Dimensions 50 x 174 x 21 mm (2 x 6.8 x 0.9”)
Weight 50 g (1.8 oz.)
Ordering Information HI98100 is supplied with HI1271 pH electrode, HI70004 pH 4.01 buffer solution sachets (2 x 20 mL), HI70007 pH 7.01 buffer solution sachets (2 x 20 mL), HI700601 electrode cleaning solution sachets (2 x 20 mL), instruction manual, instrument quality certificate and plastic carrying case.
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