About Instemi

Instemi is an online software package for instrument calculations with the main intention of providing detailed reports with verifiable steps.

Instemi has started a partnership with Ultra Tech Studio LLC in 2023.

Contact Us

Please report bugs or suggestions to feedback@instemi.com.

Change Log and Announcements

May 14, 2023: Client version 0.1.3 released
  • Cosmetic changes in the Home page inclduing new icons
  • No impact on the server side
April 16, 2023: Client version 0.1.2 released
  • Home page restructured as tiling style
  • No impact on the server side
March 22, 2023: Client version 0.1.1 released
  • Minor change: Footer and header added to print output
March 22, 2023 Server version 0.0.2 released
  • Minor change: API added to return server version
March 6, 2023: Client version 0.1.0 released
  • Minor change: Print functionality is now added to all modules
  • No impact on the server side
February 12, 2023: Client version 0.0.2 released
  • Refernce to partnering up with Ultra Tech Studio LLC added. No change in functionality
January 11, 2023: Client version 0.0.1 released
  • Development milestone: first official release by Instemi Pty Ltd
January 11, 2023 Server version 0.0.1 released
  • Development milestone: first official release by Instemi Pty Ltd
December 19, 2022: Client version 0.0.1-preview23 released
  • Sample probe assessment module added
December 19: Server version 0.0.1-preview15 released
  • Suppor for Sample probe assessment module added - in compliance with IEC TR 61831
November 9, 2022: Client version 0.0.1-preview22 released
  • Bug fixes in Flow element module
November 9, 2022: Server version 0.0.1-preview14 released
  • Bug fixes in Flow element calculations
November 6, 2022: Client version 0.0.1-preview21 released
  • Orifice plate thickness calculation added
November 6, 2022: Server version 0.0.1-preview13 released
  • Support for orifice plate thickness calculation added
November 2, 2022: Client version 0.0.1-preview20 released
  • References update to reflect complaince with the lastest ISO 5167 series standards
November 2, 2022: Server version 0.0.1-preview12 released
  • Flow element module updated to align with the lastest ISO 5167 series standards
October 22, 2022: Client version 0.0.1-preview19 released
  • References update to reflect complaince with the lastest API 520 standard
  • No change in server side
October 18, 2022: Client version 0.0.1-preview18 released
  • Flow calculation report updated to support permanent pressure loss for venturi tubes and nozzles
October 18, 2022: Server version 0.0.1-preview11 released
  • Flow calculations module: permanent pressure loss for venturi tubes and nozzles added
October 11, 2022: Client version 0.0.1-preview17 released
  • Flow measurement uncertainty calculation module added
October 11, 2022: Server version 0.0.1-preview10 released
  • Support for flow measurement uncertainty calculations added
June 15, 2022: Client version 0.0.1-preview16 released
  • A bug in Control Valve flowrate calculation user interface fixed
June 15, 2022: Server version 0.0.1-preview9 released
  • Several bugs fixed in Control Valve module
June 13, 2022: Client version 0.0.1-preview15 released
  • Open and Save capability added
May 25, 2022: Client version 0.0.1-preview14 released
  • Minor update in templates - no change in functionality
  • Frontend updated to utilize Angular 13.3.6
May 25, 2022: Server version 0.0.1-preview8 released
  • Backend updated to utilize ASP.NET Core 6.0
May 14, 2022: Client version 0.0.1-preview13 released
  • Several templates refactored to reduce the application size - no change in functionality
  • Several bugs rectified in Flow element module
  • Pipe Data module added
  • No change in server side
April 30, 2022: Client version 0.0.1-preview12 released
  • Several templates refactored to reduce the application size - no change in functionality
  • Several bugs rectified in Flow element module
April 30, 2022: Server version 0.0.1-preview7 released
  • Several improvements completed in Flow element module
  • Several bugs rectified in Pressure safety valve module
April 21, 2022: Client version 0.0.1-preview11 released
  • Several templates refactored to reduce the application size - no change in functionality
  • Several bugs rectified in Control valve module
  • No change in server side
April 18, 2022: Client version 0.0.1-preview10 released
  • Several templates refactored to reduce the application size - no change in functionality
  • No change in server side
April 11, 2022: Client version 0.0.1-preview9 released
  • Updated Style Sheets: decreased paddings
  • No change in server side
April 2, 2022: Client version 0.0.1-preview8 released
  • Thermowell module updated:
    • Stainless steel grade 310 removed from list of materials
    • Piping design code can now be selected
April 2, 2022: Server version 0.0.1-preview6 released
  • Thermowell module updated:
    • Stainless steel grade 310 removed from list of materials
    • Allowable working stress calculations now support both ASME B31.1 and B31.3 standards
March 30, 2022: Client version 0.0.1-preview7 released
  • Several bugs fixed for Thermowell module
  • No change in server side
March 24, 2022: Client version 0.0.1-preview6 released
  • Several bugs fixed for Flow Elements module
  • No change in server side
February 26, 2022: Server version 0.0.1-preview5 released
  • Support for differential pressure level transmitter calculations added
February 26, 2022: Client version 0.0.1-preview5 released
  • Support for differential pressure level transmitter calculations added
December 19, 2021: Server version 0.0.1-preview4 released
  • Support for control valve flowrate calculations added
  • Miscellanous bugs fixed
December 19, 2021: Client version 0.0.1-preview4 released
  • Control Valve module updated:
    • Flowrate Calulation added
  • Miscellanous bugs fixed
August 15, 2021: Server version 0.0.1-preview3 released
  • Support for thermowell calculations over a range of process conditions re-instated
August 15, 2021: Client version 0.0.1-preview3 released
  • Thermowell module updated:
    • Link to 'assessment over a range' is re-instated
  • Cache-busting is now enforced
August 9, 2021: Client version 0.0.1-preview2 released
  • Thermowell module updated:
    • Thermowell material properties can be entered by the user
    • Link to 'assessment over a range' is temporarily removed
August 8, 2021: Server version 0.0.1-preview2 released
  • Thermowell module is revamped
July 24, 2021: Server version 0.0.1-preview1 released
  • Baseline preview release
  • APIs developed to comply with:
    • Control Valves: IEC 60534-2-1 (Edition 2.0 2011), IEC 60534-8-3 (Edition 3.0 2010), IEC 60534-8-4 (Edition 3.0 2015)
    • Pressure Safety Relief Valves: API STD 520 (Ninth Edition 2007), API STD 526 (Seventh Edition 2017 + Errata 1 dated September 2018)
    • Flow Elements: ISO 5167-1 (Second Edition 2003), ISO 5167-2 (First Edition 2003), ISO 5167-3 (Second Edition 2020), ISO 5167-4 (First Edition 2003), ISO 5167-5 (First Edition 2016), ISO 5167-6 (First Edition 2019), ISO/TR 15377 (Third Edition 2018)
    • Thermowells: ASME PTC 19.3 TW:2016
    • Pipe Sizes: ASME B36.10M-2015 (+ Errata #16-62 dated 01/11/16), ASME B36.19M-2004 (Reaffirmed 2015)
July 24, 2021: Client version 0.0.1-preview1 released
  • Baseline preview release
  • Modules covered:
    • Control Valves
      • Flow Coefficient / Noise Calculations
    • Pressure Safety Relief Valves
      • Sizing Calculations
    • Flow Elements
      • Sizing Calculations
      • Differential Pressure Calculations
      • Flowrate Calculations
    • Thermowells
      • Wake Frequency and Stress Calculations - At discrete operating conditions
      • Wake Frequency and Stress Calculations - Over a range of operating conditions