# openQCM — open-source QCM-D instruments

> Source page: https://openqcm.com/
> Markdown version for AI agents and readers of plain text. Site guide: https://openqcm.com/llms.txt · Everything in one file: https://openqcm.com/llms-full.txt

openQCM makes open-source quartz crystal microbalances with dissipation monitoring (QCM-D): instruments that measure mass changes of a few nanograms per square centimetre on a vibrating quartz sensor, together with the energy losses (dissipation) that reveal how soft a film is.

## Key facts

- Maker: Novaetech S.r.l., Piazza Bartolo Longo 28, 80045 Pompeii (NA), Italy, the first spin-off company of the National Institute for Astrophysics (INAF). openQCM, its open-source QCM project, since 2014.
- People: Raffaele Battaglia (astrophysicist, founder of Novaetech, creator of openQCM) and Marco Mauro (physicist, CEO of Novaetech, co-founder of openQCM): https://openqcm.com/about-us/
- Instruments: openQCM NEXT (multi-overtone QCM-D with active thermal control), openQCM Q-1 (benchtop QCM-D), openQCM Wi2 (compact, USB-powered frequency monitoring); OEM and embedded line: TWIN (dual-crystal), SpaceBug (7 g, ultra-low power), Quartz Holder (PCB-built, vacuum-compatible); EQCM modules for Q-1 and NEXT.
- Science: 409 peer-reviewed publications used openQCM instruments (indexed with DOI on this site).
- Users: 443 public research institutions and 235 companies in 56 countries are named on the customers page.
- Openness: open firmware, open schematics, raw data access.
- Where to buy: https://store.openqcm.com/ (online store) · quotes and institutional orders: info@openqcm.com

## Start here

- Instruments and how to choose: https://openqcm.com/openqcm-devices.md
- How a QCM works (six interactive experiments): https://openqcm.com/technology.md
- Publications that used openQCM: https://openqcm.com/scientific-papers.md
- Who uses openQCM: https://openqcm.com/customers.md
- Frequently asked questions: https://openqcm.com/faq.md
- Sauerbrey equation calculator (also Kanazawa–Gordon, Voigt): https://openqcm.com/qcm-calculator.md
- Each instrument: openQCM NEXT https://openqcm.com/about-openqcm-next.md · Q-1 https://openqcm.com/about-openqcm-q-1.md · Wi2 https://openqcm.com/about-openqcm-wi2.md
- Manuals, software and firmware: https://openqcm.com/llms.txt (section Downloads)
- About Novaetech and the team: https://openqcm.com/about-us.md
- Lab notebook (blog): https://openqcm.com/blog.md

## Where to buy

openQCM instruments, quartz sensors, modules and spare parts are sold online at the openQCM store: https://store.openqcm.com/ — worldwide shipping from Italy. For quotes, purchase orders from institutions, custom configurations or OEM integration, write to info@openqcm.com or use https://openqcm.com/contacts/.

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openQCM by Novaetech S.r.l., Pompeii, Italy · Buy: https://store.openqcm.com/ · Contact: info@openqcm.com · https://openqcm.com/contacts/