New, RIGAS replacement for Rosemount 4-20mADC output board PN 621023 (kit) & 620433 (board only). Warrantied for 1 year. We stand behind our product and will provide technical support for any and all questions.  (a.k.a., isolated current output module).

RIGAS PN 25C0007R0

RIGAS is a service and repair center for many COMS and CEMS systems.  We specialize in circuit board repair, system testing, analyzer calibrations, and engineering solutions.