2 of 15
MODEL HIR
HIGH TEMPERATURE INFRARED PYROMETER
1. THEORY OF OPERATION ........................................................................................................................................ 3
1.1 Considerations when using Infrared Pyrometry to measure Claus Thermal Reactor Temperature .... 3
2. INSTALLATION ......................................................................................................................................................... 4
2.1 Mounting the Hot Lens Assembly ......................................................................................................... 4
2.1.1 Steam Supply ................................................................................................................................ 4
2.1.2 Lens Purge .................................................................................................................................... 5
2.2 Thermal Insulation ................................................................................................................................ 5
2.3 Installing the Electronics Housing ......................................................................................................... 5
2.3.1 Remote Sensor Mounting – Option RS ........................................................................................ 6
2.3.2 Flameproof Installation.................................................................................................................. 7
2.4 Connecting the Fiber Optic Cable......................................................................................................... 8
2.5 Optical Alignment .................................................................................................................................. 9
3. OPERATION ............................................................................................................................................................ 10
3.1 Setup Parameters ............................................................................................................................... 10
3.2 Initial Startup ....................................................................................................................................... 11
3.3 Two Color Sensing .............................................................................................................................. 12
3.4 Preventive Maintenance ..................................................................................................................... 12
3.5 Calibration ........................................................................................................................................... 13
4. SPECIFICATIONS ................................................................................................................................................... 15
