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Emerson Wireless 775 THUM™ Adapter
Make any HART® device wireless with the Emerson Wireless 775 THUM™ Adapter, an adapter that retrofits onto existing 2-, 3- or 4-wire HART devices, in almost every area, from intrinsically safe to explosionproof.
The THUM Adapter wirelessly transmits HART measurement and diagnostic information from new or previously inaccessible measurement points. With the self-organizing WirelessHART® network, you can remotely manage multivariable devices, monitor device health and gather data with >99% data reliability.
Emerson Wireless 775 THUM™ Adapter


Update Rate
8 seconds to 60 minutes, user selectable
Power Supply
Power scavenging
Low copper Al or SST, engineered polymer antenna
Antenna Type
Omnidirectional, internal antenna


  • Intrinsically safe and explosionproof certifications enable installations in nearly any location or application
  • Enables wireless capabilities for any HART™ device, providing new measurement points and access to additional data
  • Capable of retrofitting onto any existing 2- 3-, or 4-wire HART device for application flexibility
  • No additional power or battery requirements allows for an installation-ready solution