Most enclosures are made from materials classified as either metals or polymers. NEMA ratings indicate whether enclosures are suitable for hazardous or non-hazardous locations and designed for indoor ...
Description: -20 mA, two-wire. Signal invert: 4-20 mA, 20-4 mA. Signal fail-safe: 4 mA, 20 mA, 21 mA, 22mA or hold last. Precess temperature: -7F to 140F. Temperature ...