Technical specification
This section provides a detailed overview of the technical specifications for the MyotonPRO device model.
| DEVICE TYPE AND MEASUREMENT METHOD |
|---|
| Product model |
|
| Product type |
- Myometer for in vivo non-invasive measurement of soft biological tissues
|
| Measuring method |
- Based on exerting a damped mechanical oscillation of soft biological tissue by using an exterior, light, quick-release mechanical impulse under constant pre-load.
|
| Measurable parameters |
Natural oscillation frequency [Hz] - characterizing Tone or Tension
- Biomechanical properties:
Logarithmic Decrement of natural oscillation - characterizing Elasticity
Dynamic Stiffness [N/m]
Creep-ability (Deborah number)
Mechanical Stress Relaxation time [ms] |
Precision of parameters: Coefficient of Parameters (%)
 Testing Certificate
|
- Natural oscillation frequency - 1.1%
- Logarithmic Decrement - 5.0%
- Dynamic Stiffness - 3.9%
- Creep-ability - 1.3%
- Mechanical Stress Relaxation time - 1.5%
|
| Raw signal processing |
- Based on proprietary algorithm
|
| MEASUREMENT SYSTEM |
|---|
| Measuring mechanism |
- System of frictionless translation motion, driven by solenoid actuator
|
| Measurement sensor |
- 3-axis Digital Acceleration Sensor,
- Measurement range ±8G, Resolution 11 bits,
- Sensitivity mg 13-bit;
- Sensitivity range due to temp. ±0.01%
|
| Measurement probe |
- 3 mm (diameter) polycarbonate probe
- Replaceable by user
|
| Probe positioning |
- Shock protected servo mechanism
|
| Probe positions |
- Transport position: probe positioned inside the device
- Replacement position: probe max exertion 14 mm
|
| Pre-load force |
- 0,18[N] - automatic, measurement direction independent
|
| Tap force |
- 0,40[N] - automatic, measurement direction independent
|
| Tap time |
- 15 ms (standard)
- User configurable from 5 to 20 ms, with 1 ms intervals
|
| Tissue oscillation recording time |
|
| Measurement position tolerance |
- ±1,5mm in measurement direction
|
|
Gravity compensation
|
- Multi-direction measurements enabled from 0 to 1,3 G gravity
|
| Measurement sequence |
- Automatic, pre-defined by user
|
| Calibration |
- Pre-calibrated by the manufacturer
|
| Measuring assistance |
- Light, audio and visual based assistance
|
| POWER AND BATTERY |
|---|
| Battery |
- Built-in rechargeable Lithium Polymer Battery
- 2260mAh, 3.7V, 8.4Wh
- Replaceable only by manufacturer
|
| Charger |
- AC-DC Adapter, Input AC 100-240V 50/60Hz
- Output DC 5V, 0.5A, USB type A socket
- USB chargeable, 5.0V, 500mA
|
| Recharge time |
|
| Recharge cycles |
|
| Operational time |
- Min 8 hours (in case of normal workload)
- Min 15 000 continuous measurements in horizontal position, with 1 second tap interval
|
| Power management |
|
| Automatic shut down |
- 10 minutes (default value)
|
| SIZE AND WEIGHT |
|---|
| Height |
|
| Width |
|
| Depth |
|
| Weight |
|
| DISPLAY AND DATA TRANSFER |
|---|
| Display |
- OLED Display
- 2.83” diagonal touch screen
- 320 x 240 pixel resolution
- 268288 colours
- 160 Cd/m2 operating luminance
- 170 degree viewing angle
|
| Data storage media |
- Internal MicroSD memory card 2 GB, not accessible by user
|
| Data transfer cable |
- USB type A plug to Micro USB type B plug
|
| Wireless connection |
- Bluetooth Serial Port Module LMX9838, 2.4GHz, Class 2
|
| DEVICE FIRMWARE |
|---|
| Operating system |
- Proprietary Linux-based operating system
|
| Content upload |
- Subject and measurement profiles
|
| Content download |
|
| Date & time settings |
- Configurable via PC Date & Time settings
|
| ENVIORNMENTAL REQUIREMENTS |
|---|
| Operating conditions |
|
| Temperature |
|
| Relative air humidity |
|
| Air pressure |
|
| DEVICE ENCLOSURE |
|---|
| Color |
- Combination of white, green and grey
|
| Material |
- Polycarbonate; soft details: dryflex dfg 7820-n
|
