long deployments
RBRsolo4 D: pressure (depth)
Our most compact, lightweight, and versatile single-sensor pressure logger.
- Infinite memory*
- Any AA battery
- Standard sampling up to 2Hz, optionally up to 32Hz
- Optional tidal averaging and wave analysis available
- Optional deep variant available for <10000m
- USB-C download
- Long deployments
- Compact and lightweight
*not really, but we stopped counting at billions.
See also:
Features & Configurations
*not really, but we stopped counting at billions
The RBRsolo4 D is a compact, lightweight pressure logger designed for high-precision oceanographic measurements in demanding environments. It combines exceptional accuracy and resolution with extremely low power consumption, enabling multi-year deployments using any standard AA battery chemistry. Engineered for durability in harsh marine conditions, the RBRsolo4 D delivers reliable, long-term performance across a wide range of oceanographic applications.
Optional Configurations
| RBRsolo4 D | pressure; up to 2Hz continuous sampling, depths up to 1000m |
|---|---|
| RBRsolo4 D | fast | pressure; up to 32Hz continuous sampling |
| RBRsolo4 D | tide32 | pressure; continuous sampling or tidal averaging |
| RBRsolo4 D | wave32 | pressure; continuous sampling, tidal averaging, or wave burst |
| RBRsolo4 D | deep | pressure; depths up to 10000m |
| RBRsolo4 D | 2x | pressure; double the power of RBRsolo4 D |
Specifications
| Storage | Infinite memoryFootnote 1 |
|---|---|
| Power | Any AA cell |
| Communication | USB-C |
| Clock drift | ±60 seconds/year |
| Depth rating | Up to 1000m (plastic), up to 10000m ( Ti) |
| Diameter | ~25mm |
| LengthFootnote 2 | 227mm (plastic), 232mm (Ti) |
| WeightFootnote 3 | 140g in air, 25g in water (plastic) |
| 310g in air, 195g in water (Ti) |
1not really, but we stopped counting at billions of samples.
2For |2x variant add ~65mm (plastic), ~70mm (Ti).
3For |2x variant in air add ~35g (plastic), ~95g (Ti), in water add ~60g (Ti)
| Calibrated rangeFootnote 1 | 20 / 50 / 100 / 200 / 500 / 1000dbar (plastic) |
|---|---|
| 2000 / 6000 / 10000dbar (Ti) | |
| Initial accuracyFootnote 2 | ±0.05% full scale |
| Resolution | <0.001% full scale |
| Typical Stability | ±0.05% full scale / year |
| Time constant | <10ms |
1Recommended depth for wave measurements is less than 50m.
2±0.01% full scale is available upon request. Contact RBR for more information.
| 2Hz | 247 days, 42.6M samples |
|---|---|
| 32Hz | 17 days, 47.3M samples |
| |2x variant | |
| 2Hz | 495 days, 85.5M samples |
| 32Hz | 34 days, 94.7M samples |
Ready to dive in? Contact us today.
We partner with passionate oceanography and water quality experts worldwide to ensure you receive excellent local customer service, sales, and support.
Get started