PM.4Y.KB Manual Mass Comparators




The newest line of Mass Comparators enables adjusting mass standards and weights according to the OIML recommendations (R-111) from 1 kg to 50kg for F2 class and lower.

The comparators are used both for ensuring traceability of mass measurements, and verification of weights in accordance with the principles of legal metrology. Mass Comparators have gained recognition among Accredited Calibration Laboratories in many countries.

Mass comparator PM 4Y.KB series comprises two components. One of them holds the electronic module, and the other precise mechanical measuring system.
High measuring accuracy is guaranteed by semi-automatic adjustment system with external mass standard. The weighing pan is made of aluminium and features holders for centering the tested mass standard. The PM 4Y.KB series features an intuitive menu supporting a user while operating the instrument.


Product name
Maximum capacity [Max]
Readability [d]
Weighing pan dimensions
KR PM 25.4Y.KB 25,5 kg 10 mg 302?252 mm
KR PM 50.4Y.KB 51 kg 100 mg 302?252 mm

Additional information

product name

KR PM 25.4Y.KB, KR PM 50.4Y.KB