S sayf Well-known member Joined Sep 1, 2020 Messages 139 Oct 8, 2022 #1 Have any one dealed with such type of relays, do they contain any type of precious metals ? Attachments IMG_20221008_144542_860.jpg 1.9 MB
MicheleM Well-known member Joined May 4, 2020 Messages 268 Oct 8, 2022 #2 they could contain PM plated contacts or tungsten or even mercury (especially the older one). In the picture below, rhodium plated contacts (and gold) over Ni-Fe alloy Attachments PXL_20220515_060531884.jpg 1.2 MB
they could contain PM plated contacts or tungsten or even mercury (especially the older one). In the picture below, rhodium plated contacts (and gold) over Ni-Fe alloy
MicheleM Well-known member Joined May 4, 2020 Messages 268 Oct 8, 2022 #3 Look inside one of them , safely
