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← openQCM Q-1Sheet 02 of 06Tech specs
Sheet 02 · Tech specs

openQCM Q-1The Q-1, in numbers.

The compact, modular Quartz Crystal Microbalance with dissipation monitoring — nanogram-level mass detection in a compact 50 g unit.

Data sheetopenQCM Q-1
openQCM Q-1 case detail
Instrument
openQCM Q-1
Sheet
02 / 06
Title
Tech specs
Drawn
openQCM · Pompeii

Specifications

Performance

Frequency SD, fundamental
0.1 Hz in air · 2.8 Hz in liquid (typical); acceptance test in liquid ≤ 2.0 Hz
Dissipation SD, fundamental
0.3 ppm in air · 3.9 ppm in liquid (typical); acceptance test ≤ 0.2 and ≤ 0.5 × 10⁻⁶
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)
Frequency range
1–50 MHz

Measurement

Electronics interface
Network analyser: AD9851 DDS sweep, AD8302 gain and phase
Quantities
Frequency and dissipation
Overtones
One at a time: up to the 9th (5 MHz) or 5th (10 MHz)
Sampling
~1.0 s per overtone

Thermal

Temperature sensor
MCP9808 (I²C) in the sensor module, measurement only
Active thermal control
No

Mechanical

Main case
Nylon PA2200
Sensor module
Nylon PA2200; PMMA window (PTFE on request); FKM (Viton) O-ring
Chamber volume
~50 µl
Dimensions
143.1 × 66.8 × 26 mm
Weight
50 g

Power and data

Power
USB, 5 V
Connection
Micro-USB, USB 2.0 to the PC
Software
Python, open source; CSV data
Colophon

Explore. Measure.
Publish. Repeat.

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