It seems the Agilent keep alive switch can be used to repalce some board without venting the instrument, I suppose that can be used to mannuall shut down the turbo pump and rougphing pump subsequently. Agilent doesn't sell the device to user.
It seems the Agilent keep alive switch can be used to repalce some board without venting the instrument, I suppose that can be used to mannuall shut down the turbo pump and rougphing pump subsequently. Agilent doesn't sell the device to user.
It seems the Agilent keep alive switch can be used to repalce some board without venting the instrument, I suppose that can be used to mannuall shut down the turbo pump and rougphing pump subsequently. Agilent doesn't sell the device to user.
The instrument loses communication with the controlling computer likely due to smart card and/or power source, so it cannot be vented with software. Does it work to vent by unplugging the turbo power and/or turbo control, either from the turbo control box or from the main power supply module? Does that let the turbo to spin down and then we can turn off the roughing pump or that also trigger the shutdown of the roughing pump? The intention is just to spin the turbo pump down and cut the roughing pump to avoid any damage to the turbos. Anyone has good idea on this? Thank you.
The instrument was idling fine with no reading for turbo pump 1 iongauge but good reading for turbopump 2. When trying to restart the mass spec, the status on the mass spec panel keep flashing oringe and both ion gauge in orginge color. On the computer, mass spec or diagnosis is offline and no connection to the mass spec or configuraton can be made and mass hunter won't open. Doesn this mean some board on the mass spec needs to be replaced? If so whicn one is it? Thank you.
The instrument is connected to LC with 0.1% cysteine and 0.006% HCl as the eluent for mercury speciation. The chromatography is programed to run speciation eluent to feed to the ICP-MS. And then the ICP-MS infusion fluid is diverted to pure water that is delivered by the peristaltic pump during the diverted period of time. During the diverted period of time the HPLC chromatography solvent is programed to ramp up organic solvent to clean the column and then ramp back down to water and then cysteine buffer again, all put to waste and the divert valve is turned back to the chromatography eluent again for feeding into the ICP-MS.
And then comes the issue that the instrument keeps stopping acquisition and gives out the error of vacuum too low, the first time this happened after a few samples were run. We cleaned the sample cone and skimmer cone, and the same thing would still happen even just after one sample run of less than 20 min. I need to say the instrument could still start up and tune just fine before connecting to LC. This didn't happen before either, when running the isocratic cysteine buffer continuously for chromatography. We are puzzled about what is the root cause. If clogging is the issue, I suppose the instrument shouldn’t tune and run. The major difference between when it was running and when the current issue appears is the solvent diverting, but I don’t see how that could affect the vacuum issue. By the way, the interface vacuum is around 1.3-1.4 e2 pa during acquisition and 3-4 e0 when idle. Anyone have any idea? Thanks