Tektronix Rackmount Kit RMU2U This Tektronix 2U rackmount shelf kit for 1 or 2 units is compatible with the Tektronix instruments: Bench Power Supplies PWS2000 & PWS4000 series; Timer-Counter-Analyzer FCA3000, FCA3100 & MCA3000 series; Digital Multimeters DMM4000 series. The rackmount colour is grey and its weight is 1.36kg.