INFICON Explorer Portable Gas Chromatograph - Manual (Page 11)

Explorer Operator Manual
9
Cleaning the UV Lamp Window......................................................... 245
Maintenance of the Injection Port............................................................... 248
Replacing the Injection Port Septum................................................... 248
Cleaning the Injection Port Assembly ................................................. 249
Flushing the Columns................................................................................. 250
Flushing a Single Column ................................................................... 250
Flushing all Three Columns ................................................................ 251
Purging the Internal Carrier Gas Cylinder.................................................. 253
Maintenance of the ECD ............................................................................ 254
Purging the ECD.................................................................................. 254
Obtaining an ECD Wipe Test Sample................................................. 255
Disposing of an ECD Cell ................................................................... 258
Downloading Firmware to Explorer ........................................................... 259
Updating Assays ......................................................................................... 263
Updating Compound Retention Time and Response........................... 263
Updating the Calibration Curve........................................................... 265
Backup Assay Files ............................................................................. 267
Troubleshooting.......................................................................................... 268
GC Fault Conditions............................................................................ 268
Chromatographic Troubleshooting...................................................... 272
Assay 1 User Notes................................................................................... 282
An Overview of Assay 1............................................................................. 284
The Assay 1 Disk................................................................................. 284
Installation ........................................................................................... 285
Compound Separation ................................................................................ 286
Co-elutions .......................................................................................... 290
Compound Library .............................................................................. 291
Assay 1 Standard Method........................................................................... 292
Standard Assay Library Compounds................................................... 293
Compound Elution Order .................................................................... 297
Creating a Custom Method......................................................................... 301
General Information ............................................................................ 301
Example - Benzene, Vinyl Chloride and Chloromethane ................... 302
Column Specifications................................................................................ 306
Accurate Concentration Measurement........................................................ 307
Peak Integration Errors........................................................................ 307
Sampling Errors................................................................................... 308
Adsorption ........................................................................................... 309