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 02 · Tech specs
openQCM Wi2The Wi2, in numbers.
The compact, USB-powered Quartz Crystal Microbalance for frequency monitoring — a 43 g modular unit for gas and liquid sensing.
Data sheetopenQCM Wi2
- Instrument
- openQCM Wi2
- Sheet
- 02 / 06
- Title
- Tech specs
- Drawn
- openQCM · Pompeii
Performance
- Frequency noise
- RMS 0.5 Hz in air · 1.0 Hz in liquid (typical); acceptance test SD ≤ 1.0 Hz and ≤ 1.5 Hz
- Typical mass sensitivity
- 4.42 × 10⁻⁹ g·Hz⁻¹·cm⁻² at 10 MHz
Sensor
- Number of sensors
- Single quartz resonator
- Quartz sensors
- 5 MHz and 10 MHz, 14 mm, wrapped electrode (single-side contact)
Measurement
- Electronics interface
- Pierce oscillator (SN74LVC1GX04) and hardware counter
- Quantity
- Frequency, at the fundamental
- Dissipation
- No
- Gate time
- 1 s
Thermal
- Temperature sensor
- MCP9808 (I²C) in the sensor module, measurement only
- Temperature control
- No
Mechanical
- Main case
- Nylon PA2200
- Sensor module
- Nylon PA2200; PMMA or PTFE window; FKM (Viton) O-ring
- Chamber volume
- ~50 µl
- Dimensions
- 66 × 50 × 26 mm
- Weight
- 43 g
Power and data
- Power
- USB, 5 V
- Wireless
- Wireless-ready: expansion header for a Wi-Fi module or custom PCB
- Software
- Python, open source; Windows executable