ASTI - Model 5081 -pH & ORP 2-Wire Loop-Powered Transmitter & Analyzer

The Transmitter has a rugged, weatherproof , corrosion-resistant enclosure.. NEMA 4X and IP65 of epoxy-painted aluminum.. This enclosure also meets NEMA 7B explosion-proof standards.. 24V DC Operation Standard, 12 V minimum and 42.4 maximum.. Continous Diagnostics monitor sensor performance and warns of failure (FAULT) or approaching failure (WARNING).. CE Certification for Class I, Division I Areas and FM group A-G.. Automatic Two-Point Buffer Calibration reduces errors.. Choice of  Communication Protocol: HART® or  Foundation Fieldbus.. Non-Volatile Memory retains program settings and calibration data during power failures.. Solution Temperature Compensation converts measured pH into the pH at 25°C.