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Rosemount Temperature Transmitter

Rosemount 648 Wireless Temperature Transmitter

Specifications

Input
Supports Thermocouple, RTD, millivolt, and ohm input types.
See “Transmitter accuracy” on page 8 for sensor options.

Output
IEC 62591 (WirelessHART), 2.4 GHz DSSS

Local display
The optional five-digit integral LCD Display can display sensor temperature in engineering units (°F, °C, °R, K, Ω, and millivolts) and percent of range. The display updates based on the Wireless Update Rate.

Humidity limits
0–99% Non-condensing Relative Humidity

Update rate
WirelessHART, user-selectable 1 second to 60 minutes

Accuracy
(Pt 100 @ reference condition: 20 °C)
±0.225 °C (±0.405 °F)

Radio frequency power output from antenna External Antenna (WK1 option): Maximum of 10 mW (10dBm) EIRP

 

Rosemount Temperature Transmitter

Rosemount 648 Wireless Temperature Transmitter

The industry-leading Rosemount 648 Wireless Temperature

Transmitter delivers unmatched field reliability and

performance as a wireless measurement solution.

The 648 Wireless is ideal for high performance applications,

helping you achieve optimal efficiency with Best-in-Class

product specifications and capabilities.

The Rosemount 648 Wireless features include a large, easy to

read display, user-configurable process alerts, Long and

Extended Range Antenna options, and Transmitter-Sensor

Matching for enhanced accuracy.

Fully compatible with any IEC-approved WirelessHART network,

the 648 Wireless provides rich diagnostic data and reliable

performance as a Smart Wireless temperature solution.

  1. Superior accuracy and stability.
  2. Single sensor capability with universal sensor inputs (RTD, T/C, mV, ohms).
  3. Transmitter-Sensor Matching with Callendar-Van Dusen.
  4. IEC-approved Wireless HART protocol.
  5. Dual-compartment housing, available in aluminum or stainless steel.
  6. Large LCD display.
  7. Extended Range Antenna options available
  8. Output: IEC 62591 (Wireless HART), 2.4 GHz DSSS.
  9. Accuracy: for Pt 100 is ±0.225 °C.
  10. Radio Frequency Power Output from Antenna: Maximum of 10 mW for External Antenna.
  11. Stability: ±0.15% for 2 years.
  12. Temperature Limits: –20 to 80 °C with LCD and –40 to 85 °C without LCD.
  13. Physical specification:
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