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Rosemount 205 MultiVariable Sensor Module


THE PROVEN LEADER IN MULTIVARIABLE MEASUREMENT. 

  • Differential pressure measurement accuracy of ± 0.075% of span
  • Static pressure measurement accuracy of ± 0.075% of span
  • Process temperature measurement accuracy of ± 1.0 °F (0,56 °C)
  • SPI based communication through ribbon cable interface
  • Small, Lightweight, Coplanar™ design

SPECIFICATIONS
FUNCTIONAL
ServiceGas, Liquid, or Steam
Differential Sensor Limits
• Range 1: -25 to 25 inH2O (-0,062 to 0,622 bar)
• Range 2: -250 to 250 inH2O (-0,622 to 0,622 bar)
• Range 3: -1000 to 1000 inH2O (-2,49 to 2,49 bar)
Absolute SensorLimits
• Range 3: 0.5 to 800 psia (3,447 to 5516 kPa)
• Range 4: 0.5 to 3,626 psia (3,447 to 25000 kPa)
Gage SensorLimits
• Range C: 0 to 800 psig (0 to 5516 kPa)
• Range D: 0 to 3,626 psig (0 to 25000 kPa)
CalibrationAll sensor modules are shipped with 0 to URL trim points.
Overpressure Limit0.5 psia ( 3,447 kPa) to two times the static pressure sensor range with a maximum of 3,626 psia (25000 kPa) for differential pressure ranges 2-3 and 2000 psia (13790 kPa) for differential pressure range 1.
Static Pressure Limit Operates within specifications between static line pressures of 0.5 psia (3,447 kPa) and the URL of the absolute pressure sensor.
Temperature Limits Process (at transmitter isolator flange for atmospheric pressures and above)
• Silicone fill: –40 to 250 °F (–40 to 121 °C)
• Inert fill: 0 to 185 °F (–18 to 85 °C) (Process temperature above 185 °F (85 °C) require derating the ambient limits by a 1.5:1 ratio.)
Ambient:
• Silicon fill: -40 to 185 °F (-40 to 85 °C)
• Inert fill: 0 to 185 °F (-18 to 85 °C)
Storage:
• -40 to 230 °F (-40 to 110 °C)
Data Storage• Sensor module data is stored in non-volatile EPROM memory.
• Sensor module characterization data is an integral part of the sensor module.
PERFORMANCE The sensor module performance shall meet the following performance criteria as a minimum. Maximum working pressure of the unit shall be the URL of the absolute sensor.
Specification ConformanceThe Rosemount 205 maintains a specification conformance of measured variables to at least 3.
Zero StabilityRosemount 205P
DP Range 2-3
• ± 0.1% of URL for 12 months at reference conditions DP Range 1
• ± 0.2% of URL for 12 months at reference conditions AP/GP
• ± 0.1% of URL for 12 months at reference conditions RTD
• ± 1.0 °F (0.56 °C) for 12 months at reference conditions
Vibration Effect Rosemount 205P sensor ouputs shall not shift more than ± 0.1% of upper range limit per g from 5 to 2000 Hz in any axis when tested per IEC 770, Section 6.2.14.
Differential Pressure (DP) Range 1
• 0-0.5 to 0-25 inH2O (0-1,25 to 0-62,2 mbar) Range 2
• 0–2.5 to 0–250 inH2O (0–6,23 to 0–622,7 mbar) Range 3
• 0–10 to 0–1000 inH2O (0–0,0249 to 0–2,49 bar)
Reference Accuracy (including Linearity, Hysteresis, Repeatability) Rosemount 205P
• ±0.075% of span for spans from 1:1 to 10:1 of URL.
• For spans less than 10:1 of URL
Rosemount 205E
• ± 0.10% of span
Absolute/Gage Pressure (AP/GP) Absolute
Range 3
• 0.5–8 to 0.5–800 psia (3,447–55,16 to 3,447–5516 kPa)
Range 4
• 0.5–36.26 to 0.5–3,626 psia (3,447–250 to 3,447–25000 kPa)
Gage
Range C
• 0–8 to 0–800 psig (0–55,16 to 0–5516 kPa)
Range D
• 0–36.26 to 0–3,626 psig (0–250 to 0–25000 kPa)
Reference Accuracy (including Linearity, Hysteresis, Repeatability) Rosemount 205P
• ±0.075% of span for spans from 1:1 to 10:1 of URL.
• For spans less than 10:1 of URL,
Rosemount 205E
• ± 0.10% of span
Process Temperature Specification for process temperature is for the Rosemount 205 only. Sensor errors caused by the RTD are not included.
For 12 and 24 ft. Cables
• ±1.0 °F (0.56 °C) for process temperatures from –300 to 1200 °F (–184 to 649 °C)
• For process temperatures above
1200 °F (649 °C), add ±1.0 °F (0.56 °C) per 100 °F (38 °C)
For 75 ft. cables:
• ±2.0 °F (1.12 °C) for process temperatures from –300 to 1200 °F (–184 to 649 °C)
• For process temperatures above 1200 °F (649 °C),
add ±1.0 °F (0.56 °C) per 100 °F (38 °C)
PHYSICAL
Process Connections Coplanar Process Connection: ¼–18 NPT on 21/8-in. centers 1/2–14 NPT on 2-, 21/8-, or 21/4-in. centers with optional flange adapters
Process Wetted Parts Isolating Diaphragms
• 316L SST or Hastelloy C-276®. CF-8M (last version of 316 SST, material per ASTM-A743) Drain/Vent Valves
• 316 SST or Hastelloy C-276 Flanges
• Plated carbon steel, 316 SST, or Hastelloy C-276 Wetted O-rings
• Glass-Filled PTFE
Non-Wetted Parts Bolts
• Plated carbon steel per ASTM A449, Grade 5 or austenitic 316 SST Fill
Fluid
• Silicone