Benchtop instrumentsopenQCM NEXTQCM-D on every overtone, chamber held at ±0.01 °CopenQCM Q-1QCM-D on one selected overtone at a timeopenQCM Wi2Frequency QCM, USB-powered and wireless-ready
Sheet 03 · Design
openQCM Wi2Less stress, less drift.
openQCM Wi2’s modular, versatile design makes it an ideal solution for customization and specific applications in gas and liquid sensing — engineered to minimize mechanical stress on the quartz crystal.
- Instrument
- openQCM Wi2
- Sheet
- 03 / 06
- Title
- Design
- Drawn
- openQCM · Pompeii
Mechanical design
A crystal that is held, not squeezed.
The mechanical design incorporates a pogo-pin connector and fine regulation of o-ring pressure, which minimizes mechanical stress on the quartz crystal — thereby reducing frequency drift and additional noise.
- In this view
- Fluidic top cover and window
- Lever for the O-ring pressure
- Sensor module with pogo pins and temperature sensor
- Main electronics with the Teensy
- Case in nylon PA2200
Sensor module
Built around the crystal.
- 01Pogo-pin connector for quartz sensor electrical contacts
- 02Fine regulation of o-ring pressure
- 03Micrometric height adjustment for the measurement chamber
- 04Magnetic backreaction on sealing
- 05Materials compatible with most substances
- 06Hosts quartz sensors at different frequencies — typically 5 MHz and 10 MHz
- 07Integrated temperature sensor
