Calibration services

For all online systems, SPM recommends a functional test interval of 24 months. Every 48 months, the functional test shall include all parts of the measuring systems, i.e., transducers, cables, and monitoring units. Portable instruments should be calibrated every twelve months, and SPM also recommends functional tests, at least every twelve months, of all portable accessories, including transducers and cables. Calibration requires specific instrumentation and software and must only be performed by an authorized SPM company or distributor.