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

In stock

The Horiba F-74BW is great for laboratory testing of pH, ORP, Ions, conductivity, salinity, resistivity and TDS in samples. A number of different pH and conductivity probes are available.

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


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



  • Measurement of pH, Conductivity and Oxidation Reduction Potential
  • Stores up to 999 measurements
  • RS232C Printer Output is built-in
  • Custom LCD Display
  • Economical meter provides excellent testing without a touch, color screen
  • The F-74BW has 2 testing channels - Channel 1: pH, ORP, Ion, Channel 2: Conductivity, Resistivity, Salinity, TDS

The Horiba F-74BW meter measures the pH, ORP, Ion, Conductivity, Resistivity, Salinity, and TDS 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, conductivity and ORP values in large, bold numbering. Ideal for a wide range of laboratory testing while remaining economical.


The F-74BW 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 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 
    • 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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