The Rosemount 370XA Gas Chromatograph Reference Manual provides installation, operation, maintenance, and troubleshooting instructions.
This reference manual covers all aspects of the Rosemount 370XA gas chromatograph, including a description of the instrument, specifications, certifications, and a detailed equipment overview. It guides users through site requirements, mounting, gas connections, electrical wiring, serial and Ethernet interfaces, and power setup.
The guide also explains normal operation via the local operator interface, preventive maintenance procedures, spare parts, module replacement, overhauling of analytical components, and troubleshooting of common alarms and errors. Appendices provide flowcharts, Modbus® map files, and regulatory information.
| Power supply | 24 Vdc (standard) at the unit |
|---|---|
| Environmental temperature range | -4 to 140 °F (-20 to 60 °C) |
| Dimensions (H × W × D) | 18 in. × 12 in. × 11 in. |
| Weight | 50 lb. (23 kg) |
| Power consumption (steady state) | 20 Watts |
| Ethernet connections | Two: RJ‑45 plug‑in and 4‑wire termination, 10/100 Mbps |
The limited warranty covers the instrument for twelve months from the date of initial installation or eighteen months from shipment, whichever expires first.
The instrument can handle up to three sample streams and one calibration stream simultaneously.
It uses a thermal conductivity detector (TCD).