Condition

Preowned with no original box. This board has not been tested and its operational condition is unknown. It shows normal cosmetic wear, surface marks, and handwritten identification on the front panel. Please review all photographs carefully.

Description

Vintage Riva Hydroart industrial electronic control module, believed to be associated with hydroelectric turbine governor/control equipment.

Identification visible on unit:

* Manufacturer: Riva Hydroart

* PCB number: 206965

* Revision: VER03

* Front-panel designation: ASVE

* Connections: M+, M−, M1 through M11, AZZ, Tr1–Tr4

* Large multi-pin rack connector

* Front adjustment control and carrying/removal handle

The circuit board appears complete, with no obviously missing major components observed. Some discoloration, residue, previous handling marks, and handwritten markings are visible. No attempt has been made to clean, repair, calibrate, or power-test the module.

Included: One circuit board/module exactly as photographed. No cables, rack, documentation, accessories, or original packaging are included.

Because specialized equipment is required, this unit is being sold untested. Compatibility and installation requirements must be verified by the buyer using the photographs and board number before purchase.

Location: F4S1