Description
The DECK device is the only patented wireless sensor on the market capable of measuring the uniaxial oscillations of the structure providing displacement values with an accuracy equal to that of the interferometric radar (0.01 mm). The DECK device samples at 100 Hz, constantly and remotely. It is also capable of detecting temperature and vibration frequency. DECK is battery powered and uses the LoRaWAN wireless communication protocol.
Railways Monitoring
Monitor the ground displacement (settlement or lateral movement) and correlates the amplitude of oscillation of the sleepers with the variation of the ballast.
Bridge Monitoring
Detect vibration trends as displacement (mm), each event is processed with the FFT algorithm (Fast Fourier Transform), used to calculate the frequency response of the oscillations more quickly.
Key Parameters:
- Wireless dynamic displacement sensor
- Uniaxial measurements parallel to the gravitational axis (Z) or to the perpendicular axis (X or Y)
- Integrated temperature sensor
- Extremely easy installation
- Ultra low noise performance
- Resolution of 0.012mm, 0.024mm; Shift Accuracy ±0,01 mm and range ± 1.5 mm, ± 3mm
- Built-in long-life battery
- Waterproof rating IP67
| OPERATION | |
|---|---|
| Operation with programmed acquisitions: | Record of an event for each oscillation that exceeds the activation threshold set by the user. For each event: acquisition of displacement for 30 seconds (10 seconds before and 20 seconds after exceeding the threshold). Acquisition of the temperature at each event. |
| Custom Operation Software: | It is possible to request custom features that the customer deems necessary for their business. |
| Sampling Frequency: | 50 Hz |
| MEASUREMENT | |
|---|---|
| Acquisition of: | Displacement and Temperature |
| Displacement Resolution: | 0.012mm, 0.024mm |
| Shift Accuracy: | ±0,01 mm |
| Measurement of Axis: | of the Parallel axis to the gravity axis (Z) or perpendicular (X or Y) |
| Range: | ± 1.5 mm, ± 3mm |
| Displacement Bandwidth (-3 dB): | 0.70 Hz - 15 Hz |
| Temperature accuracy: | 0,5°C |
| Temperature Resolution: | 0,125°C |
| RADIO | |
|---|---|
| Central Processing Unit: | ARM Cortex M0 32 Bit |
| Radio channel frequency: | 868 MHz (EU) - 125 KHz BW (LoRaWAN) |
| Transmission Power: | 14 dBm |
| Link coverage: | 1km (line of sight with the Gateway)* |
| GENERAL DATA | |
|---|---|
| Waterproof Rating: | IP67 |
| Reliability: | Internal Watchdog (Inside the Microcontroller), External Watchdog (External to the Microcontroller) |
| Battery: | 4 lithium battery type “D” 19Ah 3.6V |
| Operating temperatures: | -40°C / +85°C |
| Dimensions case: | 140 x 170 x 65 mm |
| Dimensions case + plate: | 200 x 200 x 80 mm |
| Weight: | 2.4 Kg |
| INSTALLATION | |
|---|---|
| Method: | Four-point mounting using screws and plugs (Ø10mm, L:30mm) |
| Site: | Fixing on the wall, on ceiling or ground |
| BATTERY AUTONOMY | |
|---|---|
| Sample rate | Estimated autonomy |
| 5 samplings / hour | 2 years* |
* Wireless coverage of the device may vary depending on the scenario.
* Battery life may shorten when operating in extreme temperatures.
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