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Mettler Toledo FiveGo

Portable Conductivity Meter

The Mettler Toledo FiveGo boasts some outstanding functions such as storage capacity for up to 200 measurements, TDS measuring mode and IP67 protection against dust and water ingress.  Combined with useful features such as automatic endpoint recognition, automatic calibration, linear temperature compensation and selectable reference temperatures.

Operation is simple with five self-explanatory buttons and a large, well organized display that can simultaneously show readings, temperature, endpoint criteria and various helpful icons, additionally facilitates rapid measurement and calibration.  


  • Robust, IP67 waterproof ABS housing

  • Large, well-structured 3.1 in. segmented LCD display for easy viewing

  • Intuitive button arrangement and simple menu for easy operation

  • Ergonomic design provide comfort to both big and small hands

  • Foldable foot stand provides optimal viewing while situated on a lab bench

  • Withstands wet and demanding environments

  • One point calibration with three predefined standards

  • Features Automatic and manual endpoint recording, Acoustic endpoint signal, Visual endpoint signal

  • LTW 7-pin sensor inputs

  • Ideal for mobile applications in the laboratory, at-line, or outdoors


Technical Specifications:

Measuring range

0.00 μS/cm to 200.0   mS/cm

Cond. accuracy

+/- 0.5%

Temperature range °C

0°C to 100°C

Temperature resolution °C


Temperature accuracy °C

± 0.5

Temperature compensation %/°C

0.00 … 10.0

TDS range

0.0 mg/L ... 200.0 g/L


1 point

Calibration standards

84μS/cm, 1413μS/cm, 12.88mS/cm

Free disk space

200 datasets



Power supply

4 AAA batteries 1.5 V

Operating environment

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

Ordering Information:

5GO-01 Portable Conductivity Meter