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Reinventing volumetric Karl Fischer titration: OMNIS KF!

Portable pH meters, conductivity meters, and oxygen meters

This family of pH, conductivity, and oxygen meters are your ideal companion for routine use.

You can use the instrument as a portable meter or as a benchtop instrument in the laboratory.

Thanks to a large color display, a rugged design, and smart technology, these meters will make pH value and conductivity measurement as easy as never before.

These meters are available as:

  • pH meters
  • conductivity meters
  • combined oxygen meters
  • and combined meters.

> Find the suitable instrument here

NEW: Dissolved oxygen measurement

Our proven 913 and 914 portable meters have just become more versatile. Thanks to the newly developed O2-Lumitrode, you can now measure dissolved oxygen (DO), pH, and conductivity quickly, easily, and reliably.
Learn more about the O2 Lumitrode for DO measurement

Smart, portable, robust pH, conductivity, and oxygen measurement

Easy measurement with smart meters 

Thanks to a large color display and smart features, measuring is as easy as it gets.

Smart features

Robust portable instruments for use in the field or in the lab 

Use these robust, ergonomic meters for mobile pH or conductivity measurement or in the laboratory on the stand plate.

Two-in-one meters

Flexible data handling and GLP functionality

Store the results on the instrument, print the reports, or export the data to your LIMS or Excel.

GLP and data management

912/913/914 pH/DO/Conductometer systems (15)

912 Conductometer

2.912.0010
Portable single-channel conductivity measuring instrument for measuring conductivity/TDS/salinity and temperature. You will be optimally equipped for measurements in the field with this battery-operated measuring instrument. Portable conductivity measuring instrument with built-in battery packAnalog conductivity measuring input for the 4-wire conductivity measuring cells from MetrohmRobust, water-tight and dust-tight housing (IP67) for hard outdoor and laboratory useLCD color display with background illumination for simple legibility of the resultsUSB interface for simple data export to PC or printerLarge internal memory (10,000 data sets)Pin-protected User and Expert modes, prevents unwanted parameter changesGLP-compliant printout and data export with User ID and timestamp

913 pH Meter

2.913.0010
Portable two-channel pH measuring instrument for measuring pH/mV and temperature. You will be optimally equipped for measurements in the field with this battery-operated measuring instrument. Portable pH meter with built-in battery pack and two galvanically isolated pH measuring inputsAnalog pH measuring input for Metrohm standard pH electrodesDigital pH measuring input for the intelligent pH electrodes from MetrohmRobust, water-tight and dust-tight housing (IP67) for hard outdoor and laboratory useLCD color display with background illumination for simple legibility of the resultsUSB interface for simple data export to PC or printerLarge internal memory (10,000 data sets)Pin-protected User and Expert modes, prevents unwanted parameter changesGLP-compliant printout and data export with User ID and timestamp

913 pH/DO Meter

2.913.0020
The 913 pH/DO Meter offers two measuring inputs for determining the pH value and dissolved oxygen in water.Portable meter with built-in battery pack and two galvanically isolated measuring inputs.Analog pH measuring input for standard pH electrodesDigital measuring input for O2 measurement using O2 Lumitrode or intelligent pH electrodesRobust, water-tight, and dust-tight housing (IP67) for tough outdoor and laboratory useLCD color display with background illumination making results easy to readUSB interface for simple data export to PC or printerLarge internal memory (10,000 data sets)Pin-protected User and Expert modes, prevents unwanted parameter changesGLP-compliant printout and data export with User ID and timestamp

913 pH/DO Meter, laboratory version

2.913.0220
Portable two-channel measuring instrument for measuring pH/mV and for measuring the amount of dissolved oxygen in water. You will be optimally equipped for measurements in the field and in the laboratory with this battery-operated measuring instrument with a stand plate.Measuring instrument with built-in battery pack and two galvanically isolated measuring inputs.Analog pH measuring input for standard pH electrodesDigital pH measuring input for the intelligent pH electrodes or O2 LumitrodeRobust, water-tight, and dust-tight housing (IP67) for tough outdoor and laboratory useLCD color display with background illumination making results easy to readUSB interface for simple data export to PC or printerLarge internal memory (10,000 data sets)Pin-protected User mode and Expert mode, prevents unwanted parameter changesGLP-compliant printout and data export with User ID and timestampWith stand plate and electrode holder
Show all systems: 912/913/914 pH/DO/Conductometer (15)

Easy pH, dissolved oxygen, and conductivity measurement with smart meters

With a portable meter for conductivity, pH, or oxygen measurement, you get ease of use coupled with convenience:

  • Read the results with ease thanks to the large color display with backlight.
  • Have two measurement results displayed simultaneously.
  • Don't worry about the sensor thanks to the integrated sensor quality check.
  • Apply time-controlled and drift-controlled measurements.

Robust instruments: for mobile and laboratory use

These meters are ideal for use in the field …
  • Ergonomic design for single-hand use
  • Dust- and waterproof (IP67-rated)
  • Perform measurements for hours thanks to the powerful built-in lithium polymer battery
  • Recharge the battery using any 5 V USB power adapter or a 12 V socket in a car.
… and in the laboratory: Use the stand plate and mains power supply to convert the instrument into a benchtop meter.

Flexible data handling and Good Laboratory Practice (GLP)

Conductivity and pH meter in laboratory setup for benchtop use with printer

Manage your data the easy way:

  • Store results on the instrument and export to LIMS/Excel.
  • Print out reports directly on A4 or POS printer
  • Manage results in Metrohm's tiBase software
914 pH Conductometer in the lab with laptop

Built-in GLP compliance:

Ensure Good Laboratory Practice with these conductivity and pH meters. The password-protected expert mode ensures that settings are not changed accidentally.

Our range of dissolved oxygen/conductivity/pH meters and sensors

Portable meters for conductivty and pH measurements
Portable pH and conductivity meter with sensor and accessories in transport case
Electronic Load Interface used to control third-party electronic loads or power supplies
Selection of electrodes and sensors for chemical analysis

We offer dedicated versions for pH, conductivity, and combined measurements. The instruments are available as portable meters, two-in-one instruments for mobile or laboratory use, and with an accessories case.

> pH meters

> Conductivity meters

> Combined oxygen meters

> Combined conductivity and pH meters

We offer a range of electrodes for our portable conductivity and pH meters.

Find an overview here:

> pH electrodes

> Conductivity electrodes

> The new O2-Lumitrode

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