The CLA-150 from Com-Power is an Electromagnetic Absorbing Clamp with a frequency range from 30 MHz to 1 GHz. It is designed to measure disturbance power on power input lines and other auxiliary I/O lines. This absorbing clamp consists of a broadband current transformer and two sets of ferrite rings. The ferrite rings act as a broadband RF power absorber, isolating the current transformer from disturbances on the mains and establishing asymmetric (common-mode) impedance. Each of these ferrites are split into two halves, with one half mounted in the absorbing clamp base, and the other half mounted in the hinged top cover. It has a clamp insertion loss of less than 22 dB and an aperture diameter of 3.5 cm.

The CLA-150 has a durable chassis which makes it an ideal choice for daily use in laboratory environments, both indoors and outdoors. It has a handle at the top and wheels at the bottom to facilitate easy movement of the clamp along the length of the line(s) under test. Each absorbing clamp is individually calibrated per CISPR 16-1-3 with NIST traceability and recognized ISO 17025-accredited calibration is also available upon request. It is available in an enclosure that measures 177 x 615 x 130 mm with BNC-female connectors.