Rosemount 781 Wireless Field Link

Serving as an antenna for a wireless field network, the Rosemount™ 781 Wireless Field Link features a RS-485 connection and LCD display. It enhances process safety and visibility by helping the network deliver dependable data in complicated situations or arduous conditions. This device has a 1/2-14NPT conduit entry size and a wiring span of up to 200 m. from the gateway.

The 781 transmits 2.4 GHz DSSS WirelessHART output and is offered with a variety of approvals, as follows:

  • CSA intrinsically safe

  • FM intrinsically safe

  • ATEX intrinsically safe

  • IECEx intrinsic safety

  • Non-incendive

  • FM & CSA Class 1 Division 1 and ATEX Zone 0 intrinsically safe


The option of a longer range antenna is provided.

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