Specifications; Functional Specifications; Physical Specifications - Emerson Rosemount 648 Reference Manual

Specifications and Reference Data
July 2016
Appendix A
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 57
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 63
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . page 66
A.1 Specifications
A.1.1 Functional specifications
Input
Supports thermocouple, RTD, millivolt and ohm input
types. See "Accuracy" on page 59
Output
Wireless enabled, linear with temperature or input.
Local display
The optional five-digit integral LCD display can display
engineering units (°F, °C, °R, K, , and millivolts). Display
updates at transmit rate up to once per minute.
Humidity limits
0–99% relative humidity
Update rate
®
WirelessHART , user-selectable, 1 second to 60 minutes
Accuracy
(Pt 100 @ reference conditions: 20 °C)
±0.225 °C (±0.405 °F)
Radio frequency power output from antenna
Long Range (WK1 option) antenna: Maximum of 10 mW
(10 dBm) EIRP
Specifications and Reference Data
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Specifications and Reference
Data
A.1.2 Physical specifications
Electrical connections
for sensor options.
The power module is an Intrinsically Safe solution,
containing Lithium-thionyl chloride with a polybutadine
terephthalate (PBT) enclosure.
The Rosemount
has power module life time rating of 10 years with a
one-minute update rate, at reference conditions.
Materials of construction
1.
00809-0200-4648, Rev BB
Power module
™
The SmartPower Long Life Power Module from
™
Emerson Process Management is field replaceable,
featuring keyed connections that eliminate the risk of
incorrect installation.
™
648 Wireless Temperature Transmitter
Sensor terminals
Sensor terminals permanently fixed to terminal block
Field Communicator connections
Clips permanently fixed to terminal block, designated
by the text "COMM."
Housing
Low-copper aluminum
Paint
Polyurethane
Cover O-ring
Buna-N
Terminal block and power module
PBT
Antenna
PBT/PC integrated omni-directional antenna
Reference conditions are 70 °F (21 °C), and routing data for three
additional network devices. Continuous exposure to ambient
temperature limits (-40 °F or 185 °F; -40 °C or 85 °C) may reduce
specified life by less than 20 percent.
Reference Manual
(1)
57