Precision Digital offers the PDA6018 Bitronics 4" round meter to 1/8 DIN meter adapter mounting plate. The PDA6018 plastic mounting plate is designed for mounting the PD6402 ProVu high voltage & mV to current meter into the existing cutout of the discontinued Bitronics GSDIE1 dual channel DC Amp / Volt meter.
PD6402 Mounted with PDA6018 Adapter Mounting Plate
PDA6018 Panel Mounting Kit Dimensions and Cutout