Lab Research Grade Benchtop pH/mV Meter - 0.001 pH Resolution


  • Highly Customizable User Interface
  • Basic measurement with or without GLP information, real-time graphing, and logging data.
  • Fast, moderate, and accurate calibration stability criteria.
  • Programmable alarm limits can be set to inside or outside allowable limits.
  • Color Graphic LCD with on-screen help, graphic, and custom color configurations.
  • Sensitive capacitive touch buttons for accurate keystrokes when navigating menus and screens.
  • Capacitive touch technology ensures the buttons never get clogged with sample residue.
  • Up to five calibration options with automatic buffer recognition, semiautomatic, and direct manual entry 
  • View calibration data and calibration expiration information at the touch of a key.
  • CAL Check™: Alerts users to potential problems during the calibration of the pH electrode.
  • Includes: “Electrode Dirty/Broken,” “Buffer Contaminated,” electrode response time and the overall probe condition.
  • Automatic, manual, and AutoHold data logging options
  • Automatic and manual logs up to 100 lots with 50,000 records max/lot, with up to 100,000 total data points.
  • Automatic logging features the option to save data according to sampling period and interval.
  • Data can be transferred to a PC with USB cable and HI92000 software (both sold separately).
  • Contextual help is always available through a dedicated “HELP” key. 


pH Range: -2.0 to 20.0 pH, -2.00 to 20.00 pH, -2.000 to 20.000 pH
pH Resolution: 0.1, 0.01, 0.001 pH
pH Accuracy: ±0.1 pH, ±0.01 pH, ±0.002 pH ±1 LSD (@25ºC/77ºF) 
mV Range: ±2000 mV
mV Resolution: 0.1 mV
mV Accuracy: ±0.2 mV ±1 LSD
Supplied with HI1131B pH electrode, HI7662-T temperature probe, HI76404W electrode holder, HI70004 pH 4.01 buffer solution sachet, HI70007 pH 7.01 buffer solution sachet, HI700601 electrode cleaning solution sachet (2), HI7082 3.5M KCl electrolyte solution (30 mL), 12 VDC adapter and instructions.

Manufacturer : Hanna Instruments

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BenchTop pH HI 5221
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