Mettler Toledo MX5 Micro Balance

The METTLER TOLEDO MX is an innovative micro balance, which sets new world standards for weighing performance, user friendliness and quality standards. The AX has the highest resolution of any analytical balance in existence: an unmatched 50 million digits. A brilliant touch screen display, intelligent user guidance, and hands-free infrared draft shield control make this highly-precise balance faster, easier and more fun to use than ever before.

Maximum Capacity 5100 mg
Readability 0.001 mg
Taring range 5100 mg
Repeatability 0.8…0.9 µg
Linearity ± 2…4 µg
Stabilization time (typical) 8…12s
Adjustment with internal weights proFACT, fully automatic time- and temperature-controlled adjustment
Adjustment with external weights custom weights
Linearization automatic linearization with each internal adjustment
Sensitivity (temperature Sampling pump drift) ± 1.0 ppm/°C
Sensitivity (long-term stability) ± 0.0001%
Interfaces RS-232C and LocalCAN, Minimettler or Second RS232 optional
Size of weighing pan 27 mm
Free height above weighing pan 55 mm
Dimensions 128x287x113 / 224x366x94

User Manuals

  • Operating instructions SICS (pdf)
  • Operating instructions microbalances and analytical balances AX / MX / UMX (pdf)
  • Operating instructions AX/MX/UMX (V. 2.xx-3.xx) (pdf)
  • Operating instructions – Pipette Check Application (pdf)
  • Operating instructions LC-RS25/LC-RS9/LC-RSopen cable (pdf)


  • Certificate of EC type approval (T5708) (pdf)
  • OIML Certificate of Conformity (R76/1992-NL-00.23) (pdf)

Support Software

  • Online Support Center and Software download

Knowledge Base

  • Information on METTLER TOLEDO certified power supplies
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