Touch panel realizes stress-free operation.
Intuitive, and very easy to use.

We’ve used our unrivalled experience together with detailed feedback from hundreds of customers to develop LAQUA, our most outstanding range of laboratory meters yet.
The HORIBA LAQUA series marries advanced technology with stylish design and an easy-to-use touch screen interface. The LAQUA series was developed as a durable meters offering long term reliability for laboratory professionals. Advanced functionalities and a wide array of electrodes provide high precision measurement with improved response time in a huge variety of applications.

1000 Series Custom LCD Bench Meters

LAQUA PH1300 Meter: Click to enlarge
pH mV(ORP) Ion
LAQUA PC1100 Meter: Click to enlarge
pH mV(ORP) Conductivity 
Salinity Resistivity TDS

LAQUA Touchscreen Color LCD Bench Meters

LAQUA F-72 Meter: Click to enlarge
pH mV(ORP) Ion
NAVI USB PC PRT ID Color LCD touch panel display 
LAQUA F-73 Meter: Click to enlarge
pH mV(ORP) Ion
NAVI 2CH USB PC PRT ID Color LCD touch panel display 
LAQUA F-74 Meter: Click here to enlarge
pH mV(ORP) Ion Conductivity 
Salinity Resistivity TDS
NAVI 2CH USB PC PRT ID Color LCD touch panel display USB/EP/JP

Various functions

For details, see the specifications.

The Story of ORP
We offer an introductory course on water quality. We explain what is ORP.

Metallic Electrode(For ORP Measurement)

Waterproof. Use a flat type metallic electrode, which allows a small amount of sample to be measured.

Handheld ORP Meters

  • One hand operation.
  • Shock-resistant, waterproof and dustproof, Extended operation.
  • Easy-to-view large display shows two measurement items simultaneously.
  • Visible LCD in dark places.

HORIBA Offices


Irvine, California

HORIBA Instruments Incorporated Head Office
9755 Research Drive
Irvine California 92618 USA
work +1 800 446 7422
work fax +1 949 468 1790