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HP 6890 series, Operating Manual, Page: 6 / 36

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HP 6890 series Operating Manual Download Page 6

2

Linearity

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Summary of Contents for 6890 series

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Page 4: ...6 B 8 52 2 8 7 2 2 7 5B 27 6 7B 9952 287 27 873 7 287 2 1 9 8 7 9 8 6 18 8580B B 52 2 89 8 87 8 1 9952 287 6 B 7 2 8 2 078 2 8 7 52C 27 6 7 9 8 6 7 1 2 2 7 27 287 27 5 27 12 6 7 5 9 2 2 7 2 8 2 078 2 9 8 7 6 18 8580B 6 27 1 182 7 1 987 2 252 B 8 1 7 78 27 5 7 6 7 296 7 2 89 2 1 7 7 5 7 8 8 6 6 7 27 89 7 H 9 1 8 1 7 1 89 270 87 2 287 1 28 7 7 262 255 6 1 8 8 1 2 9 62 1 8558 270 27 8 6 287 2 9 8 2 8...

Page 5: ... ÄÄ ÄÄ ÄÄ ÄÄ ÄÄ ÄÄ ÄÄ ÇÇ ÇÇ ÉÉ ÉÉ ...

Page 6: ...2 Linearity Quenching effects PMT saturation ...

Page 7: ... sample tailing or loss on chemically active sites The liner is also compatible with standard packed columns The FPD flame produces considerable water vapor The detector must be operated above 120 C to prevent condensation Unnecessarily high temperatures can cause thermal decomposition of many thermally labile phosphorus and sulfur compounds Detector temperature can have a significant effect on su...

Page 8: ...5 06 3 184 64 4 1 6 04 4 3 4 51 360 3 5 51 5 4 1 5 0 0 4 2 5 0 13 144 1 5 7 4 5 4 0 25 3 2 35 06 3 184 045 5 10 1 1 6 04 10 053 3160 5 64 4 0 3 0 5 0 9214 15 45 0 44 45 Capillary column installation 5 5 2 3 25 3 045 64 4 1 6 04 4 3 4 045 62 5 316 5 64 04 35 35 1 51 5 4 1 5 4 1 184 045 10 5 1 6 0 1 6 0 065 35 1 0 3 2 5 336 35 1 13 35 1 04 35 0 5 1 6 0 5 316 5 065 0 336 105 0 5 5 0 1 5 1 6 0 5 3 1 0...

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Page 10: ...6 Changing wavelength filters 1 1 0 0 WARNING ...

Page 11: ...7 0 0 2 5 4 2 1 0 7 0 0 7 8 4 8 0 0 0 0 2 1 8 0 0 0 0 7 0 8 0 0 2 0 0 2 1 2 0 0 0 3 0 0 0 0 0 2 2 61 4 2 2 0 0 0 0 0 1 2 0 2 1 0 2 0 1 1 2 0 2 1 0 2 0 1 1 2 2 0 4 0 1 2 2 ...

Page 12: ...8 Installation Printed circuit board Ignitor and heater ...

Page 13: ...nt Lit offset ąCONFIGURE FRONT DET Mkup gas type N2 Lit offset 2 0 Electrometer On 1 Press Config Front Det or Config Back Det 2 Scroll to Lit offset and enter a number The default is 2 0 pA Enter 0 to disable the automatic reignite function The setpoint range is 0 to 99 9 pA ...

Page 14: ...10 Flame ignition sequence 3 0 0 4 0 0 5 4 0 5 2 0 2 0 4 2 2 2 4 2 4 2 0 0 2 Lit offset 1 0 Lit offset 2 0 0 0 0 0 1 2 0 4 0 ...

Page 15: ... Lighting the flame Manual ą FRONT DET FPD Temp 250 250 H2 flow 50 0 50 0 Air flow ā60 0 60 0 Mode Col mkup const Combined flow 15 0 Mkup N2 50 0 50 0 Flame Off Output 0 0 Flame Automatic Lit offset ...

Page 16: ...04 minutes while the standard speed allows peak widths of 0 01 minutes Procedure Using fast peaks If you are using the feature your integrator must be fast enough to process the data coming from the GC It is recommended that your integrator bandwidth be at least 15 Hz To use fast peaks CONFIGURE SIGNAL 1 Fast peaks On 2 1 Digital output to the ChemStation is available at 11 speeds from 0 1 Hz to 2...

Page 17: ... ą FRONT DET FPD Output 178 9 ą BACK DET FPD Temp 250 250 H2 flow 50 0 50 0 Air flow ā60 0 60 0 Mode Col mkup const Combined flow 15 0 Mkup N2 50 0 50 0 Flame Off Output 119 2 Instrument F det Sig only FPD ...

Page 18: ...e at least 90 psi for the ignition sequence All others adequate to achieve desired flows Detector Temperature Below 120 C flame will not light Set temperature about 25 C higher than highest oven temperatureĊlimit is 250 C Lit offsetą Config Front Det or Back Det If the detector output with the flame on minus the output when the flame is off falls below this value the FPD attempts to reĆignite twic...

Page 19: ...utput value Makeup gas flow mode If column dimensions are specified the control table will also include one of these F DET MAKEUP MODE Const makeup flow Col makeup const Mode Col mkup const Combined flow 0 0 Makeup flow 0 0 Mode Const makeup Mkup flow 0 0 Off To change makeup mode scroll to Mode and press Mode Type Make a selection and enter the appropriate flow values ąĄCONFIGURE FRONT DET Mkup g...

Page 20: ...ff 5 If you are using turn off the makeup gas and proceed to Step 7 6 If you are using a Verify that makeup gas type is the same as that plumbed to your instrument next to Mkup line of control table Change the gas type if necessary b If your capillary column is and is connected to an EPC inlet choose a new flow mode if desired and set the makeup gas flow or combined flow c If your capillary column...

Page 21: ...17 Flame ignition problems 1 3 1 3 3 1 0 3 3 1 0 3 3 2 1 0 0 Lit offset 0 4 1 1 4 1 1 3 1 5 1 1 5 3 3 0 0 3 1 3 1 3 1 1 1 1 3 3 1 0 1 3 3 1 3 1 5 5 3 1 3 ...

Page 22: ...18 2 1 0 45 0 3 0 2 1 2 0 0 0 5 060 2 6 0 2 2 0 0 2 2 0 5 2 5 2 Caution ...

Page 23: ...rule assembly 19256 60590 3 Transfer tube 19256 80550 4 OĆring Kalrez transfer tube 0905 1101 5 Lower heater block 19256 20500 6 Heater sensor assembly G1535 60620 7 Nut brass in 0100 0056 8 Ferrule Vespel in ID 0100 1061 9 Jet cartridge G1535 80500 10 OĆring Kalrez jet cartridge 0905 1103 ...

Page 24: ...r ignitor 19256 20590 13 OĆring Kalrez ignitor 0905 1102 14 Weldment block 19256 80560 15 Exit tube assembly 19256 20700 16 Gasket head shield 19256 80040 17 Window first heat shield 19256 80030 18 Disk heat shield 19256 20580 19 Coupling stainless steel 19256 20550 20 Lockwasher 4 required 2190 0108 21 Screw M3 x 12 4 required 0515 0911 ...

Page 25: ...g silicone 0 926 in ID orange 0905 0955 24 Window second heat shield 19256 80060 25 OĆring silicone 1 05 in ID orange 0905 1104 26 Flange adapter 19256 20510 27 Flange ring 19256 00200 28 Screw M3 x 25 4 required 0515 0065 29 OĆring Viton 1 239 in ID brown 0905 1100 ...

Page 26: ...ousing assembly 19256 60510 Pneumatics control module not shown G1535 60520 Printed Circuit Board not shown G1535 60010 Ignitor Cable Assembly not shown G1535 60600 Cover Assembly 6890 not shown G1535 80520 Electonics Top Cover not shown G1535 80540 Detector Top Cover not shown G1535 80550 Main Bracket not shown G1535 00010 Chimney Back not shown G1535 00020 Chimney Front not shown G1535 00030 ...

Page 27: ...an the filter on both sides Clean the PMT winĆ dow seen inside the housing Be careful to not scratch surfaces do not use a cleaning fluid that might leave a film upon drying 4 Inspect the filter chips scratches and or cracks in the light path scatĆ ter light reducing detector sensitivity Replace filters as necessary Inspect the PMT window for damage if necessary replace the PMT a Remove four screw...

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Page 29: ...e sheet metal coverĊon the single wavelength detector it is held by two screws at the top and two at the bottom on the dual waveĆ length detector it is held by two screws at the top Loosen the screws holding the UĆclamp Loosen the swage connection part 7 at the botĆ tom of the jet assembly from the transfer line tube and carefully lift the burner module from the transfer tube so as not to damage t...

Page 30: ...her than try to clean it particularly when extremely high sensitivity is required 9 A new Kalrez OĆring seal must be used when reinstalling the jet into the burner chamber Be careful not to crush or sideĆload the fused silica liner when reinstalĆ ling the detector 10 Reassemble all parts of the detector module reassemble the module onto the instrument A new Vespel ferrule should be used to seal th...

Page 31: ... the photomultiplier tube assemblyĊor assembliesĊfrom the detector module also remove the filter s Set them in a safe place 5 Locate the ignitor cable attached to the side of the detector see illustration on the next page Trace the cable back to the printed cirĆ cuit board and disconnect it there 6 Remove the exhaust tubing parts 7 8 and 15 and the sheet metal coverĊon the single wavelength detect...

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Page 33: ...29 0 0 7 7 6 2 6 2 2 0 2 3 6 6 2 6 6 46 0 6 0 2 56 2 6 6 0 2 0 1 2 ...

Page 34: ...30 Replacing the photomultiplier tube 0 0 1 3 0 1 1 1 0 3 1 1 1 3 1 3 3 1 3 2 0 1 1 1 1 0 0 1 1 4 1 3 4 4 1 1 3 3 Caution ...

Page 35: ...tiplier Tube PMT Replacement 1 2 3 4 5 hidden 6 1 Tube socket 19256 20670 2 End cap 19256 20710 3 PMT tube housing 19256 20650 4 Photomultiplier tube 19256 80050 5 OĆring 0905 1099 6 Resistor network cable assembly 19256 60580 ...

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