Product Announcement from United Electric Controls Company


One Series Safety Transmitter for Safety Use-Image

Engineered to Protect

The One Series Safety Transmitter gives plant safety teams simple setup and faster, safer performance, right from the start - all at a more affordable price. Don't use a costly, over complicated process transmitter that must be adapted for safety use. The One Series Safety Transmitter is the first SIL 2-certified transmitter designed solely for safety system applications.  It's the only One that comes with an internal high-speed safety relay for the fastest emergency shutdown.  And that simple design means fewer nuisance trips - for greater safety, productivity, and throughput.

The One Series Safety Transmitter is a pressure or temperature monitoring transmitter switch that provides a NAMUR NE 43 standard 4-20 mA analog output. Its programmable high-capacity solid-state relay enables the fastest emergency shutdowns.

The One Series Safety Transmitter is certified for use in SIL 2-functional safety applications, and is capable of SIL 3 applications when augmented by redundancy and voting logic.  Its simple design means fewer nuisance trips — for greater safety, productivity, and throughput.

The One Series Safety Transmitter was designed with features that simplify installation, improve productivity, and eliminate nuisance trips. “I Am Working” sensor diagnostics with redundant data processing detect open, shorted, and plugged sensing elements.  It has configurable self-diagnostics and achieves a safe failure fraction of 98.5%. Instrument response time is <100 milliseconds.

The transmitter’s analog output conforms to NAMUR NE 43 and provides process-variable (PV) and detected-fault information. Discrete outputs provide a fail-safe (open)

Emergency shutdown when a fault is detected. Set point and deadband (reset point) are 100% programmable.

The instrument is password protected to prevent unwanted parameter changes; eliminating the risk of tampering. In addition, LED backlighting enhances viewing of process variables, parameters, and status in dimly lit areas.

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