Emerson Rosemount Model 500 User Manual

Contents
Chapter 1 Safety requirements.......................................................................................................7
1.1 Rosemount Model 500 Gas Chromatograph safety warnings............................................................7
Chapter 2 Installation.....................................................................................................................9
2.1 Installing the Rosemount Model 500 helium to hydrogen gas conversion kit....................................9
2.2 Installing the carrier shut-off valve and pressure regulator..............................................................10
2.3 Installing the new 10-ft. (3 m) long reference detector restrictor (R2)............................................ 12
2.4 Purging the carrier gas lines............................................................................................................13
2.5 Changing the thermistors...............................................................................................................14
2.6 Adjusting the carrier pressure.........................................................................................................16
Chapter 3 Ordering information...................................................................................................23
3.1 Parts list .........................................................................................................................................23
Appendix A Engineering drawing....................................................................................................25
Retrofit Instructions Contents
SK-07781 September 2019
Rosemount Model 500 Helium to Hydrogen Gas Conversion Kit v

Emerson Rosemount Model 500 Specifications

General

Manufacturer	Emerson
Wireless Protocol	WirelessHART
Material	316L Stainless Steel
Operating Temperature	-40°C to 85°C (-40°F to 185°F)
Power Source	Internal Battery
Output Signal	WirelessHART
Storage Temperature	-40°C to 85°C (-40°F to 185°F)
Power Supply	3.6 V Lithium Battery or Loop Power
Hazardous Area Certification	ATEX, IECEx

Summary

Safety Requirements

Rosemount Model 500 Gas Chromatograph Safety Warnings

Key safety warnings for the Rosemount Model 500 Gas Chromatograph, covering explosion, fire, and equipment damage hazards.

Installation

Installing the Rosemount Model 500 Helium to Hydrogen Gas Conversion Kit

Procedure to install hardware for the Rosemount Model 500 helium to hydrogen gas conversion kit.

Installing the Carrier Shut-off Valve and Pressure Regulator

Guides the installation of the carrier shut-off valve and the replacement of the pressure regulator.

Installing the New 10-ft. (3 m) Long Reference Detector Restrictor (R2)

Details the process of removing the old restrictor and installing the new 10-ft. (3 m) reference detector restrictor (R2).

Purging the Carrier Gas Lines

Step-by-step instructions for purging the gas chromatograph's carrier gas lines.

Changing the Thermistors

Procedure for replacing the helium thermistors with hydrogen comparable thermistors.

Adjusting the Carrier Pressure

Instructions for adjusting the carrier pressure after the helium to hydrogen gas conversion.

Ordering Information

Parts List

Comprehensive list of part numbers and descriptions for the Helium to Hydrogen Conversion Kit.

Engineering Drawing