Waters ACQUITY Refractive Index Detector Overview And Maintenance Manual page 10

Common refractive index detection problems ........................................... 23
Environmental factors ....................................................................................... 23
Inhomogeneities in solution .............................................................................. 23
Range and attenuation ...................................................................................... 24
Features ............................................................................................................... 24
Fluid path components ...................................................................................... 25
Flow path............................................................................................................ 25
Purge mode......................................................................................................... 27
Recycle mode ...................................................................................................... 29
Countercurrent heat exchanger ........................................................................ 30
Flow cell.............................................................................................................. 30
Purge valve......................................................................................................... 30
Pressure relief valve .......................................................................................... 30
Recycle valve ...................................................................................................... 31
Insulated sample inlet tubing ........................................................................... 31
Optics .................................................................................................................... 32
Selecting the appropriate sampling rate ..................................................... 33
Filtering noise ..................................................................................................... 34
Polarity ................................................................................................................. 35
Temperature control ......................................................................................... 36
2 Preparing the detector .......................................................................... 37
Stacking the modules ........................................................................................ 38
Installing the leak sensor ................................................................................. 39
Installation recommendations for fittings ................................................... 41
Connecting a column or second detector ..................................................... 42
Connecting to waste .......................................................................................... 43
Making the recycle connection ....................................................................... 44
Installing the multi-detector drip tray ......................................................... 45
Making the Ethernet connection ................................................................... 45
x October 13, 2014, 715003547 Rev. C