Horiba F-71 pH & ORP Laboratory Bench Meter

In stock

The Horiba F-71 is great for laboratory testing of pH and ORP samples. A number of different pH electrodes are available for specialized testing.

Horiba F-71 pH & ORP Laboratory Bench Meter


This meter does not come with any electrodes, please choose the desired sensor from the appropriate category.



  • Measurement of pH and Oxidation Reduction Potential
  • Enhanced data reliability with validation feature
  • Stores up to 999 readings
  • ID input
  • RS232C printer output is built-in
  • Custom LCD display
  • Password Protected Security feature
  • Version up function

The Horiba F-71 meter measures the pH and ORP of samples, providing a great indication of overall water quality. This stationary meter features a stable testing arm that can be fitted with a number of different probes and sensors depending on the testing circumstance.


The custom LCD screen allows the user to clearly see the pH and ORP values in large, bold numbering. The Horiba F-71 meter is a compact and highly accurate meter designed to provide highly repeatable measurements. 


The F-71 does not include any probes so the user can choose from a list of specialized electrodes to best fit the testing circumstance.


The full list of pH electrodes can be found here.

The optional ORP electrode can be found here.


Choosing the right lab meter:

Horiba F-71: Standard pH meter with custom LCD display

Horiba F-72: Color LCD Display with navigation function

Horiba F-73: Two channel meter with pH, ORP and ISE measurement, color LCD display with navigation feature

Horiba F-74BW: Economical, Two channel pH, ORP, conductivity, salinity, resistivity, and TDS meter with custom LCD display

Horiba F-74: Two channel meter with pH, ORP, conductivity, salinity, resistivity, and TDS measurement. Color LCD display with navigation feature

Horiba DS-71: Standard conductivity meter with custom LCD display

Horiba DS-72: Enhanced conductivity meter with color LCD and navigation function




  • Measurement Method (pH): Glass electrode method
  • Measurement Range (pH): pH 0.000 ~ 14.000 (Display Range: pH -2.000 to 19.999) Resolution: 0.001pH
  • Measurement Range (mV(ORP)): ±1999.9 mV Resolution: 0.1mV
  • Temperature Range: 0.0 to 100.0°C Resolution: 0.1°C
  • Repeatability (pH): ±0.005 pH±1 digit
  • Repeatability (mV(ORP)): ±0.1 mV±1 digit
  • Repeatability (°C): ±0.1℃±1 digit
  • Power Supply: AC adaptor 100 ~ 240 V 50/60 Hz
  • Mass: Approximately 500g

Unit Ship Weight: 4 lbs

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