Teledyne API Model 200AU NOX Analyzer Instruction Manual, 02293, Rev. F

9.1.4 M200AU Internal Variables

The M200AU software contains many adjustable parameters. Most of the parameters are set at time of manufacture and do not need to be adjusted for the lifetime of the instrument. Some of the variables are user adjustable, they are listed in Table 9-5.

To access the VARS menu press SETUP-MORE-VARS-ENTR. Use the PREV-NEXT buttons to select the variable of interest, then press EDIT to examine/change the value, then press ENTR to save the new value and return to the next higher menu. If no change is required, press EXIT.

TPC_ENABLE

The M200AU has temperature and pressure compensation. T/P comp adjusts the output of the instrument for changes in sample temperature, reaction cell pressure, and atmospheric pressure.

The temperature of the reaction cell controls the sample temperature. The setpoint is 40° C, and the value of the adjustment parameter is equal to 1.0000 when the reaction cell temperature is 40° C. The temperature compensation increases sample concentration with increasing temperature to compensate for the drop in density of gas in the reaction cell.

The reaction cell pressure compensation factor is equal to 1.0000 when the cell pressure is about 3.5"-Hg-A. The compensation factor increases sample concentration with increasing cell pressure to compensate for increased quenching of the chemilumenscent reaction at higher pressures.

The sample pressure compensation factor is equal to 1.0 at 29.92"-Hg-A. This factor increases sample concentration with decreasing sample pressure to compensate for a lower head pressure on the sample flow orifice.

Taken together, the three factors change the output of the instrument very little. The sample temperature is essentially invariant, and the cell pressure and sample pressure factors tend to cancel each other. The resultant coefficient has no practical variation with pressure changes due to weather fronts. Changes in altitude of 1000 feet usually change the output of the instrument by about .5% if compensation is turned off, much less if it is operating.

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Teledyne instruction manual 4 M200AU Internal Variables, Tpcenable
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200AU specifications

The Teledyne 200AU is a cutting-edge analytical instrument designed primarily for trace and ultra-trace analysis of elements in various liquid samples. Renowned for its reliability and precision, this inductively coupled plasma mass spectrometer (ICP-MS) is widely utilized in environmental monitoring, food safety, clinical diagnostics, and geochemical research.

One of the distinguishing features of the Teledyne 200AU is its exceptional sensitivity, allowing for the detection of elements at concentrations as low as parts per trillion (ppt). This sensitivity is crucial for applications where even minute traces of contaminants can have significant implications. The instrument also boasts a wide dynamic range, accommodating high-concentration samples without compromising accuracy.

The Teledyne 200AU incorporates advanced technologies that enhance its analytical capabilities. At the core of its design is a robust ICP source, which ensures optimal ionization efficiency. The instrument also features a high-resolution quadrupole mass analyzer, which enables precise separation and identification of ions based on their mass-to-charge ratio. This feature is essential for distinguishing between isotopes and analyzing complex mixtures.

Another notable characteristic of the Teledyne 200AU is its user-friendly interface, which simplifies the operation and data management processes. The software is intuitive, offering sophisticated data processing algorithms that streamline analysis. Users can easily access real-time data visualization, facilitating timely decision-making based on analytical results.

The instrument is built with durability in mind, featuring a compact design that allows for easy integration into various laboratory environments. The Teledyne 200AU is also equipped with state-of-the-art safety features, including enhanced cooling systems and automated shutdown protocols to protect both the instrument and the user.

Moreover, the Teledyne 200AU supports a variety of sample introduction methods, including nebulization and laser ablation, providing flexibility to accommodate different types of samples and experimental needs. Its multi-element capability further enhances its versatility, allowing simultaneous detection of multiple elements in a single analysis.

In summary, the Teledyne 200AU stands out as a premier instrument in the field of mass spectrometry. Its combination of high sensitivity, advanced technology, user-friendly features, and robust design makes it an invaluable tool for scientists and researchers seeking precise elemental analysis across various disciplines.
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