# openQCM Q-1 · Design

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_openQCM Q-1 · sheet 03 · Design_

A revolutionary concept in the design of the Quartz Crystal Microbalance with dissipation monitoring — an advanced device that caters to the diverse needs of research and brings a modular approach to its construction.

## An electronic unit and a fluidic cell.

Our design separates the device into two distinct yet interconnected modules: a main electronic unit and a fluidic cell module. The main electronic unit, in a robust yet lightweight nylon case, is the heart of the device — ensuring precise measurements and optimal performance, with an interface simple to operate even for those new to the technology.

The Sensor Module, on the other hand, is designed for versatility and adaptability. Encased in a durable casing, it withstands a range of working conditions and is designed for ease of maintenance and cleaning.

![Exploded view of the openQCM Q-1: main unit, sensor module and fluidic cover](https://openqcm.com/wp-content/uploads/2026/06/openQCM_Q-1_gallery_exploded.png)

In this view: Fluidic top cover with the window and its O-ring; Lever: fine regulation of the O-ring pressure; Proximity board: pogo pins and MCP9808 temperature sensor; Main electronics: network analyser shield and Teensy; Nylon PA2200 case, eight SLS-printed parts.

## Mount it with a single, swift gesture.

1. **Open.** Remove the fluidic top cover.
2. **Place.** Lay the crystal with its back electrodes on the pogo pins.
3. **Close.** Insert the cover with the lever on “min”, then turn the lever to seal.
4. **Check.** Draw water towards the cell with a syringe and stop before it enters: a still level means a tight seal.

## What the sample touches.

- **Window:** PMMA, clear; PTFE for organic solvents (PMMA swells in ethanol).
- **O-ring:** FKM (Viton).
- **Case:** Nylon PA2200, SLS-printed; dishwasher safe, heatproof to 80 °C.

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