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Mettler Toledo FiveGo pH

Portable pH Meter

The compact design of the Mettler Toledo FiveGo pH Meter ensures your field measurements are optimized and simplified. Compact, lightweight and robust, this portable meter is perfect for mobile applications.  Featuring a large, well-structured display for easy viewing, the meters' intuitive button arrangement and simple menu ensure measurements can be performed in just a few clicks.  The portablty of the meter offers a quality solution for your mobile applications in the laboratory, at-line and even outdoors.

MT 5Go pH Meter mettler toldeo fivego lab astles acs

Mettler Toledo FiveGo pH



  • Storage capacity for up to 200 measurements and IP67 protection against dust and water ingress are combined with useful features such as automatic endpoint recognition, automatic calibration, and automatic switching between automatic and manual temperature compensation

  • Five self-explanatory buttons for starting and ending a measurement and for saving and accessing measurements and the latest calibration data at the press of a button make the operation of the device so intuitive

  • A big, well organized display that can simultaneously show readings, temperature, endpoint criteria and various helpful icons, additionally facilitates rapid measurement and calibration

  • Useful accessories such as the electrode clip, a wrist strap and a laminated quick guide are enclosed with every meter

Technical Specifications:


pH measuring range

0.00 … 14.00

pH resolution


pH accuracy

± 0.01

mV measuring range

-1999 … 1999

mV resolution


mV accuracy

± 1

Temperature range °C

0°C to 100°C

Temperature resolution °C


Temperature accuracy °C

± 0.5

Temperature compensation %/°C

0.00 … 10.0


3 point – linear (pH)

Calibration standards

1.68 pH, 4.01 pH, 7.00 pH, 10.01 pH

Free disk space

200 datasets



Power supply

4 AAA batteries 1.5 V

Operating environment

0 ... 40 °C; 5 ... 85 %   rel. humidity (not cond.)

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