Reference Manual
00809-0100-4738, Rev DA
May 2006
Rosemount 3095FB
www.rosemount.com
Appendix A Specifications and
Reference Data
FUNCTIONAL
SPECIFICATIONS
Service
Gas, Liquid, or Steam
Differential Sensor
Limits
• Code 2: –250 to 250 inH
2
O (-0,622 to 0,622 bar)
• Code 3: –1000 to 1000 inH
2
O (-2,49 to 2,49 bar)
Absolute Sensor
Limits
• Code 3: 0.5 to 800 psia (3,447 to 5516 kPa)
• Code 4: 0.5 to 3,626 psia (3,447 to 25000 kPa)
Gage Sensor
Limits
•Code C: 0 to 800 psig (0 to 5516 kPa)
• Code D: 0 to 3,626 psig (0 to 25000 kPa)
Over Pressure Limit
0.5 psia to two times the absolute pressure sensor range with a maximum of 3,626 psia.
Static Pressure Limit
Operates within specifications between static line pressures of 0.5 psia and the URL of the
absolute pressure sensor.
Power
• Quiescent supply current 10 mA typical. Transmitting supply current not to exceed 100 mA.
• External power supply required
• Transmitter: operates on terminal voltage of 7.5 - 42 Vdc
RS-485 Signal Wiring
2-wire half-duplex RS-485 MODBUS with 8 data bits, 1 stop bit,
and no parity
Bus Terminations
Standard RS-485 bus terminations required per EIA-485.
Failure Mode Alarm
If self-diagnostics detect a gross transmitter failure, non-latched status bits are set in the
transmitter alarm registers.
Humidity Limits
• 0 – 100% relative humidity
Communications
User Interface: EIA-232 (RS-232C) format
Baud Rate: 600 to 19.2 K User selectable
Host: RS-485 / RS-232
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