Table of Contents
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About Rosemount 470XA Gas Chromatographs
June 2023
Table 1-3: Performance specifications
Specification
Repeatability
Metrology approvals
(2)
Calculations
Recommended carrier gas
•
Purity
•
Moisture content
•
Hydrocarbon content
•
Supply pressure
•
Carrier gas flow
Recommended actuation gas
•
Moisture content
•
Particulate
•
Supply pressure
Recommended sample (calibration) gas
input pressure range
Valves
Oven
Detector
Streams
Vibration
(1)
Custom light process applications available upon request.
(2)
For additional approvals and certifications information, see Emerson.com.
Table 1-4: Standard communications
Specification
Ethernet
Analog input
Analog outputs
Digital inputs
Digital output
10
(continued)
Description
Controlled environment
•
±0.0125% calorific value
•
±0.125 BTU/scf per 1,000 BTU/scf
Uncontrolled environment: -4 to +140 °F (-20 to +60 °C)
•
± 0.025% calorific value
•
± 0.25 BTU/scf per 1,000 BTU/scf
Measurement Canada
International Organization for Standardization (ISO) 6976, American Gas
Association (AGA) 8, Gas Processors Association (GPA) 2172 (using the GPA 2145
physical properties table)
Zero-grade helium at 90 psig (6.2 barg) or hydrogen at 30 psig (2.1 barg)
•
99.995% (zero-grade)
•
Less than 10 ppm
•
Less than 0.5 ppm
•
75 psig (5.2 barg) for helium; 30 psig (2 barg) for hydrogen
•
20 cc/min for helium, 10 cc/min for hydrogen
Helium, nitrogen, or clean dry air at 90 psig (6.2 barg)
•
Less than 10 ppm
•
Less than 2 microns
•
90 psig (6.2 barg)
20 psig (1.4 barg)
Three 6-port diaphragm analytical valves
Airless iso-thermal
Thermal conductivity detector (TCD)
Up to 3 sample streams and 1 calibration stream
Meets ASTM-4169 specifications
Description
Two available connections: one RJ-45 plug-in port and one 4-wire termination.
Both with 10/100 mbps.
One standard input filtered with transient protection, 4–20 mA that is user
scalable and assignable.
Two isolated outputs, 4–20 mA.
One input that is user assignable, optically isolated, and rated to 30 Vdc at 0.5 A.
One user-assignable output, Form C and electro-mechanically isolated, 24 Vdc.
Manual
MS-00809-0100-0470
Emerson.com
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