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The IS1 barrier shall provide an intrinsically safe interface for analog-signal-producing devices located in a hazardous area.
The IS1 is a specially engineered analog signal Zener shunt-diode barrier that is used between a single USFilter analog transmitter (i.e. A1000, A1200 or A3000) located in a hazardous environment and its associated pump controllers, signal conditioners or other equipment.
- The IS1 is made in 2-wire (IS1-2) and 3-wire (IS1-3) versions to be used in 4-20 mA DC, 2-wire and 1-5 VDC, 3-wire transducer systems.
- Suited for applications requiring compliance with UL913 procedures pertaining to electrical control panels with intrinsically safe extensions to hazardous areas.
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