| Pressure Sensor Type |
1x Pressure [+/- 2 bar (20 m water depth)]: 1x MS5837-2BA (TE Connectivity, Switzerland) |
| Accelerometer Sensor Type |
2x Linear accelerometer [+/- 400 g]: H3LIS331DL (STMicroelectronics, Switzerland) |
| Dimensions |
90 mm length, 25 mm outer diameter |
| Weight |
46 grams (air) the total mass can be adjusted by adding or removing internal weights to the M3 threaded endcap |
| Power supply |
3.7 V |
| Battery |
Rechargeable lithium-polymer (Cellevia LP301525 85 mAh) |
| Battery lifetime |
2+ hours continuous use at full performance (water temperature of 20 C) |
| Storage interface |
Industrial micro SD card |
| Storage capacity |
8 GB |
| Communication interfaces |
Connection via USB-C cable, data transfer using USB 2.0 |
| Data logging rate |
100 Hz pressure, 2048 Hz accelerometer |
| Sensor output variables |
total water pressure (mbar), linear acceleration (1 g = 9.81 m/s2) |
| Other output variables |
time index in 1/2048 intervals, acceleration magnitude |
| Shock survivability |
4000 g |
| Temperature range |
-40C to +85C (-40F to +185F) Sensor deployed: -20 to +60 C, battery charging: 0 to 4 C |
| Storage temperature |
-20 °C to +45°C |