The Weidmuller 1697540000 ZQV 2.5/50 with Comb Bridge; ZDU2.5 is a signal conditioning module that combines a two-level impedance transformers, level shifting, and isolation barriers in one package. This module converts level changes between two symmetrical signals in a two-way system. Additionally, it filters, amplifies, and/or adjusts the signal level of the input signal before passing it on to the output. The unit has a galvanic isolation rating of 2.5kV, and a protection class of IP20. The operating temperature is -25 to +60°C, and it includes self-resetting short circuit protection. It features twin adjustable gain, LED indicators, and is made of tin-plated, corrosion-resistant metal.