The Diablo MS Sensor software is designed to allow simple and flexible acquisition and display of real-time process data using the Agilent Technologies 5977 MSD and other kinds of instruments and sensors like pressure and flow meters. You can create calibrated signals, enter user-defined formulas, and trend plot those results in real time. The MS Sensor software is included with every Diablo 5000A Real-Time Gas Analyzer.
Real-time Calculations
MS Sensor methods allow user-defined formulas to be defined and applied to instrument signal data in real time This powerful capability enables calculations such as signal ratios and normalization, to be made in real time using signal values from different instruments. The result of these calculations can than be trend plotted, and logged in the same manner as raw signal data.
Signal Calibration
The MS Sensor signal calibration feature allows an unlimited number of calibration levels to be defined for each signal. New calibration levels can be added by pressing the calibration table's "Add" button, and then entering the amount and signal response derived from the analysis of a suitable calibration standard. After entering all calibration levels for the signal, press the "Calculate" button, which will recalculate the calibration function based on the data in the calibration table:
For single-level calibrations, the calibration slope is determined from the amount and signal values entered in the calibration table, and the intercept will be set to zero. A linear regression is used to determine the slope and intercept for calibrations with 3 or more levels.
The calibration is also graphed on the "Calibration Plot" tab of the Signal- Calibration dialog box:
Real-time Display
The MS Sensor software provides up to 6 trend plot windows to graph Data Channel response in real time. The trend plot Y-axis (response) will scale automatically when new points are added to the plot so that they are visible. The X axis (run time) scrolls automatically as new points are added to the plot:
The real-time data grid displays the actual Data Channel response values as they are acquired in real time:
Event Log
The MS Sensor Event Log window is where system events, errors, and system and user messages are saved. All events that occur during a run are automatically saved with the data files.
A "User Message" feature allows custom messages to be inserted into the Event Log. Any User Messages that are entered during a run are automatically saved with the run data:
Method Wizard
Although setting up a new method is straightforward, it can also be time consuming. The Method Wizard allows users to set up a new method quickly and easily using an existing method as a "Template" for the new method. The Instruments, Signals, and acquisition parameters of the template method are used as the basis for the new method.
The user can choose which signals from the "Template" method to include in the new method using familiar checkboxes:
The user can also easily specify whether the new method should generate pressure compensated, calibrated, and/or normalized results:
The method that is created by the Method Wizard can be used immediately for acquisition.