Family Owned & Operated Since 1971• Bakersfield, CA
Industry-standard wireless temperature transmitter — best-in-class wireless accuracy and stability for process monitoring. Dual-compartment housing isolates electronics from field wiring. WirelessHART IEC 62591 with user-configurable update rate, 2.4 GHz DSSS radio. SmartPower module (Lithium-thionyl chloride, 10-year life @ 1-minute update). Single-sensor input pairs with the Rosemount 214C / 214A / 65 sensors or with the 0085 Pipe Clamp Sensor for X-well non-intrusive surface measurement (PT option). All certifications are Intrinsic Safety — by design, the 648 is battery-powered and approved for IS service worldwide.
The 648 is a wireless field-mount transmitter; this position is fixed.
WirelessHART output is the only option on the 648 — that's the whole point of the family.
The 648 supports only single-sensor input.
The 648 ships with ½-14 NPT only.
All wireless approvals are Intrinsic Safety — by design, the 648 is battery-powered and approved for IS service only. KQ is the global combo (USA + Canada + ATEX IS).
External antenna with adapter for Black Power Module (order separately: 701PBKKF or 00753-9220-0001) OR with extra-long-life I.S. Power Module bundled. WM-series codes add extended-range antenna.
Rosemount is configurator-heavy and quote-only — Valley Instrument verifies option compatibility, lead time, and pricing before confirming your order.
