This VG01 manual attenuator is a robust and easily controlled manual attenuator. the attenuation level is set by turning a large easy-to-control knob and once reaching the proper level the value can be locked in .

The FC/APC attenuator assembly comes attached to a patchcord (2mm cable) and can be easily inserted in any fiber-optic setup for precise and convenient power control.  The attenuator works well with the M500 in-line power monitoring solutions.