Hanna pH Checker

Hanna Instruments

Hanna Marine pH Tester (HI98103)


Available stock: 3

Hanna Marine pH Tester

The HI98103 Checker 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.


  • 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

  • Automatic recognition of standard buffers and displayed calibration tags

  • Automatic shut-off with user controlled settings to conserve battery life

  • Long battery life of approximately 1000 hours

  • Specifications:

  • - pH Range: 0.0 to 14.0 pH

    - pH Resolution: 0.1 pH

    - pH Accuracy: +/- 0.2 pH

    - pH Calibration: Automatic, two points

    - 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; RH max 95%

    - Dimensions: 50 x 174 x 21 mm 

    - Weight: 50 g

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