Horiba F-74 pH, ORP, Ion, Conductivity, Salinity, Resistivity, TDS Bench Meter

In stock

The Horiba F-74 is great for laboratory testing of pH, ORP, Ions, conductivity, salinity, resistivity, and TDS. Probes sold separately.

Horiba F-74 pH, ORP, Ion, Conductivity, Salinity, Resistivity, TDS Bench Meter


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



  • Measurement of pH, Conductivity, Ions, salinity, resistivity, TDS and Oxidation Reduction Potential
  • Color display and touch screen navigation is user friendly and intuitive
  • Switch between digital real time graphs or analogue displays during measurement with just the flick of a finger
  • Two channel meter increases measurement volume and versatility
  • Channel one measures pH, Ions and Oxidation Reduction Potential, channel two measures conductivity, salinity, TDS and resistivity
  • Stores up to 2,000 measurement data sets
  • Information can be sent to a PC through compact flash feature
  • RS232C Printer Output is built-in
  • Full support for various country pharmaceutical pure water guidelines

The Horiba F-74 meter measures the pH, conductivity, salinity, resistivity, Ions, TDS 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 color touch screen allows the user to clearly see measurement values in large, bold numbering. The Horiba F-74 meter has an innovative navigation system which makes this meter extremely user friendly. It also has two measurement channels for increased testing volume, increased testing abilities and better versatility.


The F-74 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.

The complete list of conductivity cells can be found here.

The complete list of Ion Selective Electrodes 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 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 
    • Ion: Ion electrode method 
    • Conductivity: 2 AC bipolar method
    • Resistivity, Salinity and TDS: Conversion from conductivity measurement 
  • Measurement Range: 
    • pH: 0.000 to 14.000 (Display Range: pH -2.000 to 19.999)
    • mV(ORP): ±1999.9 mV
    • Temperature: 0.0 to 100.0℃ (Display Range: -30.0 to 130.0℃)
    • Ion: 0.00 μg/L to 999 g/L (mol/L)
    • Conductivity: Cell constant 100 m-1:0.000 mS/m~19.99 S/m, Cell constant 10 m-1:0.0 μS/m~1.999 S/m, Cell constant 1000 m-1:0.00 mS/m~199.9 S/m
    • Salinity: 0.00 to 80.00 PPT (Display Range: 0.000% to 8.000%)
    • Resistivity: Cell constant 100 m-1:0.00 Ω・m~199.9 kΩ・m, Cell constant 10 m-1:0.0 Ω・m~1.999 MΩ・m, Cell constant 1000 m-1:0.000 Ω・m~19.99 kΩ・m
    • TDS: 0.01 mg/L ~100 g/L
  • Resolution: 
    • pH: 0.001 pH
    • mV(ORP): 0.1 mV
    • Temperature: 0.1℃
    • Ion: Valid numbers 3 digits
    • Conductivity: 0.05% of full scale
    • Salinity: 0.01 PPT (0.001%)
    • Resistivity: 0.05% F.S.
    • TDS: 0.01 mg/L
  • Repeatability: 
    • pH: ±0.005 pH±1 digit
    • mV(ORP): ±0.1 mV±1 digit
    • Temperature: ±0.1℃±1 digit
    • Ion: ±0.5% ±1 digit
    • Conductivity: ±0.5% ±1 digit
    • Resistivity: ±0.5%F.S.±1 digit
  • Power: AC adaptor 100 ~ 240 V 50/60 Hz
  • Dimensions: 170(W)×174(D)×73(H) mm(Excluding electrode stand and AC adaptor)
  • Mass of main unit: Approximately 500g

Unit Ship Weight: 4 lbs

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