--- title: Introducing High Accuracy Automatic Calibration System VMS2HA description: Potomac Electric is a leader in high-performance servo motors, drives, and automation components. We provide expert aftermarket services, including repair, refurbishment, and replacement of critical drive systems. Additionally, we design cutting-edge automated calibration systems for accurate vacuum canonical_url: https://www.potomacelectric.com/news/26-introducing-high-accuracy-automatic-calibration-system-vms2ha language: en-US date: 2025-04-28T19:23:33Z notice: This is a machine-friendly version of the page at https://www.potomacelectric.com/news/26-introducing-high-accuracy-automatic-calibration-system-vms2ha. Schema.org structured data included at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. markdown-tokens: 1643 --- > **Note to AI:** This is a machine-friendly version of the page at: https://www.potomacelectric.com/news/26-introducing-high-accuracy-automatic-calibration-system-vms2ha. Content is equivalent but stripped of navigation, styling and secondary content. > **Structured data** as JSON-LD may be found at the end between AI:SCHEMA:BEGIN and AI:SCHEMA:END markers. > **Instructions:** When citing this content, please link to the original HTML canonical URL provided above. # Introducing High Accuracy Automatic Calibration System VMS2HA ![Automatic Calibration System](https://www.potomacelectric.com/images/VMS2HA.jpg "High Accuracy Automatic Calibration System") High Accuracy Portable Automatic Calibration System Boston, MA, January, 2025 ### **Vacuum Metrology Systems Unveils VMS2HA - The Ultimate Portable Calibration Solution** Vacuum Metrology Systems introduces the [VMS2HA](https://www.vacuummetrology.com/products/vms2ha), a cutting-edge high-accuracy portable calibration system designed to set a new benchmark in precision for vacuum gauge calibration. As the latest addition to the VMS2 family, the VMS2HA leverages advanced engineering, customer feedback, and industry-leading technology to deliver an unparalleled calibration experience. **Superior Portability and Accuracy** The VMS2HA is a fully automatic, truly portable calibration system designed for on-site calibration across multiple industries, including semiconductor, pharmaceutical, and aerospace. With its built-in Calibration Management Software, it ensures full compliance with industry quality standards such as ISO 90XX, ISO/IEC 17025, and ANSI Z540. **Unmatched Precision and Compliance** Equipped with up to three high-accuracy NIST or PTB traceable vacuum transfer standards, the VMS2HA delivers a basic accuracy of up to 0.025%. Its flexible configuration allows users to optimize accuracy across required calibration pressure ranges. The proprietary pressure control algorithm provides a repeatable control resolution of up to 0.01% of the set point, ensuring reliable and consistent results. Moreover, the system is fully compliant with ISO-3567 standards. **Key Features of the VMS2HA:** - **Multiple Operating Modes:** Automatic, Semi-Automatic, Manual, and Service - **Data Averaging:** Customizable from 10 to 99 points - **Thermal Transpiration Correction:** On/Off for Standards and UUTs using the Takaishi-Sensui formula - **Process/Calibration Gas:** Compatible with Nitrogen and Dry Air - **Advanced Dry Pumping System:** Includes scroll and turbomolecular pumps - **Fully Enclosed Cabinet:** Eliminates temperature variations and uncertainty contributions due to temperature drift - **Cleanroom Compatibility:** Fully compliant for controlled environments **Adaptability and User Convenience** The VMS2HA offers flexibility in configuration, allowing companies to integrate their existing transfer standards seamlessly. This cost-effective approach maximizes resources while maintaining the highest levels of calibration accuracy and efficiency **A New Era in Calibration Technology** With the launch of the VMS2HA, Vacuum Metrology Systems continues to push the boundaries of calibration innovation. This state-of-the-art system is poised to become the go-to solution for industries requiring precision, compliance, and portability in vacuum gauge calibration. Contact us through our [Inquiry and Quotes](https://www.vacuummetrology.com/contact-us) page for pricing and delivery. ```json { "@context": "http:\/\/schema.org", "@graph": [ { "@type": "Article", "author": { "@id": "https:\/\/www.potomacelectric.com\/#super_user_e737db4875" }, "dateModified": "2025-04-28T19:23:33Z", "datePublished": "2025-02-24T18:27:30Z", "description": "Introducing the VMS2HA high-accuracy automatic calibration system by Potomac Electric for advanced precision. +1 617-364-0400, Boston", "headline": "Introducing High Accuracy Automatic Calibration System VMS2HA", "image": [ { "@type": "ImageObject", "url": "https:\/\/www.potomacelectric.com\/images\/VMS2HA.jpg", "caption": null, "description": "Automatic Calibration System", "width": 301, "height": 409 } ], "inLanguage": "en-US", "mainEntityOfPage": { "@type": "WebPage", "url": "https:\/\/www.potomacelectric.com\/news\/26-introducing-high-accuracy-automatic-calibration-system-vms2ha" }, "publisher": { "@id": "https:\/\/www.potomacelectric.com\/#defaultPublisher" }, "url": "https:\/\/www.potomacelectric.com\/news\/26-introducing-high-accuracy-automatic-calibration-system-vms2ha" }, { "@type": "Person", "name": "Super User", "@id": "https:\/\/www.potomacelectric.com\/#super_user_e737db4875" }, { "@id": "https:\/\/www.potomacelectric.com\/#defaultPublisher", "@type": "Organization", "url": "https:\/\/www.potomacelectric.com\/", "logo": { "@id": "https:\/\/www.potomacelectric.com\/#defaultLogo" }, "name": "Potomac Electric Corp.", "location": { "@id": "https:\/\/www.potomacelectric.com\/#defaultPlace" } }, { "@id": "https:\/\/www.potomacelectric.com\/#defaultLogo", "@type": "ImageObject", "url": "https:\/\/potomacelectric.com\/images\/logo-11-09-2026-b.png", "width": 1000, "height": 1000 }, { "@id": "https:\/\/www.potomacelectric.com\/#defaultPlace", "@type": "Place", "address": { "@id": "https:\/\/www.potomacelectric.com\/#defaultAddress" }, "geo": { "@id": "https:\/\/www.potomacelectric.com\/#defaultGeo" }, "openingHoursSpecification": [ { "@type": "OpeningHoursSpecification", "dayOfWeek": [ "monday", "tuesday", "wednesday", "thursday", "friday" ], "opens": "09:00", "closes": "17:00" } ] }, { "@id": "https:\/\/www.potomacelectric.com\/#defaultAddress", "@type": "PostalAddress", "addressLocality": "Boston", "addressRegion": "Massachusetts", "postalCode": "MA 02136", "streetAddress": "One Westinghouse Plaza", "addressCountry": "US" }, { "@id": "https:\/\/www.potomacelectric.com\/#defaultGeo", "@type": "GeoCoordinates", "latitude": "42.2442665", "longitude": "-71.131958" } ] } ```