HBM has upgraded its CMA
compact charge amplifier with five
new measurement ranges enabling
users to easily select the
corresponding charge amplifier for
every range. The measurement ranges
now start from 1000pC for measuring
very small forces and increment in 10
stages up to 2 million pC for the
measurement of very large forces.

The devices are delivered with two
calibrated measuring ranges – 100%
and 20% of the nominal (rated) force
– and a calibration certificate. The
CMA charge amplifiers can be easily
mounted and are suited to
demanding environmental
conditions because they benefit from
IP65 protection.