Main features:
- Both the frequency and the quality of resonance (FWHM or bandwidth or dissipation) are measured
- Different harmonics (up to the 13th overtone at 5MHz crystals) can be quickly and sequentially measured
- Temperature control from 4°C to 80°C (± 0,02 °C) is included
- EC measurement module is optionally available with ITO-QCM sensors
- Modular sensor holder up to 4 measuring channels
- External PC with Windows® 10; communication with QCM-I via USB
Control and measurement:
The BioSense software performs full control of the QCM-I instrument. Two measurement modes are available:
- Resonance: Measurement of resonance curve and calculation of the resonance frequency & FWHM up to 70 MHz
- QCM-t: Continuous measurement of the resonance parameters and the temperature of the flow-cell.
Calculation: various QCM and ad-layer parameters can be calculated using standard or custom made models. All these parameters can be displayed on the screen, printed, saved or can be exported for further evaluation.
Sensors for the QCM-I device:
Quartz crystal sensors with Au or with ITO electrodes and a variety of pre-coatings are available. The modular sensor holder allows using either 14 mm diameter or 1” diameter quartz crystals.
In conventional QCM, the electrodes are typically made of gold which is an ideal electrode material except when applying for electrochemical measurements or for optical investigations using inverse optical microscopes. On the QCM-ITO sensor, transparent ITO electrodes are used and hence providing a more stable electrochemical measurement and can be used for optical investigation as well. For sensor details see separate sensor data sheet.
Datasheet