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Products Software Calibration Interval Analysis Program Features


IntervalMAX Calibration Interval Analysis Software from Integrated Sciences Group  IntervalMAX 2.0 Program Features


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IntervalMAX 2.0 is the most comprehensive calibration interval analysis program available.  It computes calibration intervals that are consistent with predetermined reliability targets. All computations are based on test or calibration service history and employ advanced statistical and measurement reliability techniques that have been developed over twenty years of theoretical research, coupled with practical experience.  The result of these efforts are optimal methodologies for data analysis and calibration interval prediction.  This guarantees that the computed calibration intervals are not only the best attainable, but are also arrived at with minimum expense and execution time.  IntervalMAX 2.0 runs in Windows 95, 98, 2000, ME, NT, XP, 7, 8 and 10 operating systems.


Software details are listed below.  Print quality product brochure and program features files are available in Adobe Acrobat pdf format via the hyperlinks below.  To view these documents, you will need Acrobat reader 6.0 or higher.  Click Acrobat Reader to download a free copy.  To download the product files directly to your computer, right-click  the appropriate link and select Save Target As. 


Key Features             Product Brochure           Data Import-Export Guide


Details and Screen Shot Links

State-of-the-Art Analysis

  • Incorporates Methods S2 and A3 documented in NCSLI RP-1. 

  • Utilizes reliability models that cover all types of test and measurement equipment.

  • Adjusts calibration intervals to meet specified reliability targets.

  • Uses efficient algorithms to produce correct calibration intervals in the shortest amount of time at minimum expense. 


Practical User Interface

  • All IntervalMAX functions and features are accessed from the Main Screen.

  • The Analysis Parameters Screen provides a convenient way to set technical and administrative analysis criteria, controls and options.

  • All screens have access to a full-featured On-line Help  with content, index and search capabilities for over 550 topics.


Multi-Level Calibration Interval Analysis

  • Calibration intervals can be determined for Instrument Classes, Similar Equipment Groups, Instrument Model Numbers, Instrument Serial Numbers, and Systems. 

  • Calibration intervals can be computed for items with sparse data by pooling data within Classes and Groups defined via the Class Code Builder and Similar Equipment Group Builder.

  • Calibration intervals can be determined for multi-component Systems defined via the System Builder.  Component intervals can be adjusted to meet individual reliability targets or an overall system target. Several recall options are available including stratified calibration, where recall cycles are adjusted to optimize both logistics and reliability.


Outlier Identification

  • IntervalMax automatically identifies significantly bad or good performers (dogs and gems).

  • Items identified as dogs and/or gems can be reviewed on the Serial Number Dogs/Gems Report

  • Model Number dogs and gems are also identified for Class and Group Level Analyses.  Results can be reviewed on the Model Number Dogs/Gems Report.

  • Suspect activities, whose mean times to out-of-tolerance are significantly higher or lower than the norm, can be identified for common workloads or inventories.


Cost/Benefit Analysis

  • The impact of implementing recommended intervals on workload and cost can be assessed via the Calibration Interval Impact Report.   

  • Default workload and cost data can be specified via the Costs tab on the Analysis Parameters Screen.

  • More detailed workload and cost data can be specified by manufacturer/model via the Cost Variables Screen.


Detailed Analysis Results

  • Several Analysis Screens are available for viewing intervals, reliability targets and other related information for different Analysis Levels.

  • The Analysis Details Screen provides both graphical and tabulated information regarding service history data and analysis results for the selected Analysis Level.

  • Statistical information for selected reliability models are displayed on the Model Fit Parameter Data Screen.

Built-in Cumulative History Database

  • IntervalMAX establishes calibration intervals through analysis of test/calibration history maintained in the Cumulative History Database.

  • Several Browse Screens are available for viewing  information for different Analysis Levels.

  • Various database cleanup functions provide useful tools for maintaining the cumulative history data.


Data Import/Export

  • Test or calibration service history data can be imported into the IntervalMAX database from external sources.  Import connections for a variety of database, spreadsheet and other external file formats are defined and stored using the Import Configuration and Edit Import Profile screens.

  • Imported data are automatically screened for potential data conflicts and duplicate records.  Data conflicts are flagged and re-identification diagnostics and editing screens are activated for making corrections.  Duplicate records are automatically omitted.

  • Calibration interval analysis results can be exported to an external database via the External Interval Assignment Screen. Export connections are defined and stored using the External Interval Assignment Setup Screen.


Comprehensive Analysis Reports

  • The analysis reporting capability encompasses a wide range of management objectives.  Available reports are listed below.  Hyperlinks have been added to selected reports for viewing.

Instrument Class Interval Report
Similar Equipment Group Interval Report
Model Number Interval Report
Serial Number Interval Report
Interval Impact Report
Serial Number Dogs/Gems 

Model Number Dogs/Gems
Suspect Using Organizations
Suspect Calibrating Organizations
Suspect Calibrating Technicians
Class Technical Data Report
Similar Equipment Group Technical Data Rpt
Model Technical Data Report
System Evaluation Report

  • All reports can be viewed, printed and exported to external files.


Advanced Features

  • Custom intervals can be developed using special reliability targets or engineering overrides. 
  • Analyses can be run for specified combinations of users, service date ranges, manufacturers, model numbers, classes, etc.

  • User specified reliability model parameter constraints can be set and stored via the Initialize Parameter Constraints Screen.

  • Parameters, the variance-covariance matrix and summary statistics for each reliability model that was fit to the resubmission time series data can be viewed on the Model Fit Parameter Data Screen.

  • Users can accept recommended reliability model fits or select from a variety of reliability models.  All reliability model fits are the result of maximum likelihood estimation.

  • Reliability models are automatically tested statistically for goodness-of-fit and are selected on the basis of both statistical and cost considerations.




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Integrated Sciences Group
14608 Casitas Canyon Road Bakersfield, CA 93306
Phone 1-661-872-1683 FAX 1-661-872-3669


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Page Updated February 06, 2018