LAQUA F-74 BenchMeters

Benchtop Water Quality Meters

Stress-free measurement, high-end model
Water quality analysis is repeatedly performed in laboratories on a daily basis. Our high-end benchtop model was developed to provide simplicity with excellent on-site usability - from operation and maintenance through to troubleshooting.

Segment: Scientific
Division: Water Quality
Manufacturing Company: HORIBA Advanced Techno Co., Ltd.




LAQUA’s large capacitance touch screen panel:

  • Display easy to understand value and functions menus
  • Switch between digital real time graphs or analogue displays during measurement with just the flick of a finger
  • Full on-screen support on the meter via an electronic user guide with colour pictures that can be called up at any time, featuring problem solver guide for calibration or measurement



  • Easy navigation for main unit and electrode inspections
  • Two channels can be displayed simultaneously
  • Periodic inspection mode JIS/Pharmacopeias/Digital Simulator
  • Full support for various country pharmaceutical pure water guidelines 
  • Customizable auto-hold function for calibration and measurement
  • Simultaneous connection to a GLP/GMP compatible and PC
  • Digital memory - maximum 2,000 sets of measurement data can be recorded
  • USB-PC communication and USB memory
  • Multi-language support (Japanese, English, Chinese, Korean)


Meter Kit Available:



The appearance of items in the picture are subject to change in each region.

Package Details:

  • LAQUA F-74 pH/ORP/Ion/Cond/Res/Sal/TDS colour touch screen meter
  • 9615S-10D Standard ToupH glass-body, refillable pH electrode with integrated temperature sensor
  • 3552-10D Platinum/Platinum black, glass-body, k=1.0 conductivity electrode with integrated temperature sensor
  • 502-S: pH 4.01 / 7.00 / 10.01 buffers & 3.33 M KCl reference electrolyte (250ml each)
  • 503-S: Conductivity 84 uS, 1413 uS, 12.88 mS, 111.8 mS standard solutions (250ml each)
  • Electrode stand





pHMeasurement methodGlass electrode method
Measurement rangepH 0.000~14.000
Display rangepH -2.000~20.000
Resolution0.01/0.001 pH
Auto range select
Repeatability±0.001 pH±1 digit
pH calibration point5
Repeatability check
Alarm limit of calibration
Periodical check
mV(ORP)Measurement range±1999.9 mV
Resolution0.1 mV
Repeatability±0.1 mV±1 digit
TemperatureMeasurement range0.0~100.0℃ (-30.0~130.0℃)
Repeatability±0.1℃±1 digit
IONMeasurement methodIon electrode method
Measurement range0.00 μg/L~999 g/L (mol/L)
ResolutionValid numbers 3 digits
Repeatability±0.5% ±1 digit
Periodical check
Calibration curve point5
Addition method measurement
ConductivityMeasurement method2 AC bipolar method
Measurement range(Display range)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
Resolution0.05% of full scale
Repeatability±0.5% ±1 digit
Change unit
Distilled water temperature conversion
Periodical check
JP/EP/USP/CP Pharmaceutical water aplication
SalinityMeasurement methodConversion from conductivity value
Measurement range(Display range)0.00~80.00 PPT (0.000%~8.000%)
Resolution0.01 PPT (0.001%)

Salt concentration calibration

ResistivityMeasurement methodConversion from conductivity value
Measurement range(Display range)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
Resolution0.05% F.S.
Repeatability±0.5%F.S.±1 digit
TDSMeasurement methodConversion from conductivity value
Measurement range(Display range)0.01 mg/L ~1000 g/L
Resolution0.01 mg/L
USB peripherals
(Communication with PC)*1
USB host(USB memory)
Analog out put
DataMemory number2,000
Interval memory
ID input
Data search
DisplayDisplayColor graphic LCD with capacitive Touch Panel
Dual component display
Multilanguage displayJapanese/English/Chinese/Korean
FunctionNavigation function 
User gide
Graf display
Printer connectivity(GLP/GMP)
Custom printing function
temperature compensation(Auto/manual)
AutoHold function
AutoHold setting
Stability function (pH/ION)
Register operator
Security(pass word)
Version up function
Ambient temperature0 ℃ ~ 45℃
PowerAC adaptor 100 ~ 240 V 50/60 Hz
Dimensions170(W)×174(D)×73(H)mm(Excluding electrode stand and AC adaptor)
Power consumptionApprox. 9.8 VA
Mass of main unitApprox .700 g

*1 USB cable sold separately. Software can be download by web registration.

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Waste Water Treatment and Disposal in Water Waste Management and Remediation Services

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