Tinker & Rasor is pleased to announce the ultimate upgrade: Our 𝗡𝗘𝗪 and 𝗜𝗠𝗣𝗥𝗢𝗩𝗘𝗗 Model SC-4 Land & Sea Reference Electrode Kit is now available! The SC-4 is a portable Silver–Silver Chloride (Ag/AgCl) Reference Electrode kit designed for daily field use in marine and saline environments where reliable structure-to-electrolyte potential measurements are required. It is suitable for both above ground and submerged applications where consistent reference stability is