The model HI-QTBS programmable intelligent controller is contained within an explosionproof (EP) housing that is approved for Class I, II & III, CENELEC, EEx and NEMA 4, 7 & 9 for application requirements in the petrochemical, ordinance, mining, pharmaceutical, semiconductor and biomedical industries. The new EP case can withstand steam temperatures up to 250°F and can be mounted on a panel, pipe or wall. The HIQTBS features 101 automatic tricolor bargraphs that changes color as the signal changes (programmable) and 6-digit display with 6 alarm annunciators.