Scientific Instrument Services, Inc. Supplies and Services for Mass Spectrometers, Gas Chromatographs, and Liquid Chromatographs.

Calibration Gas Probe

Cal Gas Probe

This new Calibration Gas Probe was designed for the quick and accurate introduction of liquid or gas samples directly into the Mass Spec source via the probe inlet. The calibration gas or fluid (or any liquid sample) is placed in the removable glass vial in the handle of the probe. The calibration vials can be quickly and easily changed to permit the analysis of multiple liquid samples. The vials hold approximately 2.0 ml of liquid or custom size vials can be ordered on special request. The rate of flow of the sample into the mass spec source is regulated via the microfine metering valve on the end of the probe handle.

The Calibration Gas Probe offers the advantage for the analysis of multiple liquid samples quickly and easily. In addition, when you are done calibrating the mass spectrometer with the calibration fluid of choice, the probe (and the source of calibration fluid) is removed from the mass spectrometer. This will help minimize the effect of lingering peaks in the mass spectrum due to calibration gas slowly bleeding through the standard calibration gas inlet system. This is particularly helpful in the negative ion CI mode of operation where trace levels of lingering calibration fluids can take several hours to disappear from the spectrum.

Typical applications are as follows:

  • Introduction of multiple Calibration fluids such as Perfluorokerosene (PFK) or perfluorotributylamine (FC-43) into the mass spec source for Mass Spectrometer calibration.
  • Introduction of a constant low level of mass marker ions into the source over a period of time for accurate mass calculation or sample quantification
  • Analysis of liquid samples via direct bleeding of the sample into the mass spec source
Part No. Description UOM est
wt.		 Quantity
In Stock		 Price Quantity
to order
CAL1  --- 0(#)CALL
CAL2  --- 0(#)CALL
CV1 Cal Gas VialEA 0.25 1$25.00
(#) Standard lead-time for out-of-stock items is approximately two weeks.
shopping cart Ordering information. International (non-US) prices available through your local dealer.
SIS Catalog Cross Reference
Page #Part Numbers
A62 - DCI/DEP & CAL Gas Probe CAL1, CAL2, CV1
B15 - Agilent Probes by S.I.S.â„¢ CAL1, CV1
B37 - Thermo* TSQ™ Probes CAL2, CV1
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