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RSTAR-AFFINITY-DATA-LOGGER RSTAR Affinity Data Logger
The RSTAR Affinity Data Logger connects field analog and digital sensors to the RSTAR Affinity web dashboard for secure, efficient remote data management. It supports up to five instruments, authenticated Bluetooth, and long-range LPWAN communications.
The RSTAR Affinity Data Logger is designed to connect a wide range of field analog and digital sensors to the RSTAR Affinity web-based dashboard for centralized data management.
Each logger can be configured to support up to five instruments of different types, making it a flexible option for geotechnical and remote monitoring projects.
Instrument and logger configuration is handled through secure authenticated Bluetooth Low Energy (BLE) using the RSTAR Affinity Field Utility mobile app. Readings are transmitted over LPWAN through an RSTAR Affinity Gateway, including LoRaWAN support for long-range outdoor deployments up to 15 km.
Standalone data logging is also supported, with local sync through the field app and CSV export for rapid verification in locations with limited cellular coverage.
Product features
- Five configurable modules for specific instrumentation signal types.
- Compartmentalized design for easier maintenance.
- Bluetooth self-location for faster setup.
- IP67 protection for operation from -40°C to 60°C.
Benefits
- Better data insight.
- Ease of use in the field.
- Improved safety through remote monitoring.
Applications
Suitable for civil infrastructure, energy, surface metal mining, and underground mining.
Physical specifications
| Dimensions | 159 mm (L) x 120 mm (W) x 87 mm (H) enclosure only; 163 mm (L) x 185 mm (W) x 87 mm (H) with wall mounting |
| Total mass | 500 g to 550 g |
| Housing material | PBT |
| Protection | IP67 |
| Mounting options | Wall, pole, mounting kit available |
| Antenna options | External: +3 dBi and +5.8 dBi (N type connector) |
General specifications
| Operating temperature range | From -40°C to 60°C |
| Lifespan | 10-year service life |
BLE radio
| Bluetooth | BT 5.0 single mode |
| Frequency | 2.402 - 2.480 GHz |
| Raw data rates | 125 kbps, 500 kbps, 1 Mbps, 2 Mbps |
| Maximum transmit power | +8 dBm |
| Low power listen mode | Continuous |
LPWAN
| Operating regions | LoRaWAN US915, EU868, EU433, AS923-1/2/3/4 and AU915. Consult RST for the best frequency for your region. |
| Protocols | LoRaWAN 1.0.1 |
| Range | Up to 15 km at 900 MHz in open country, depending on frequency and antenna |
Battery
| Voltage | 3.6 V |
| Number of cells | 3 primary battery cells |
| Cell size | D |
| Recommended battery | Saft LSH20 |
| Nominal capacity | 13.0 Ah @ 20°C per cell |
| Life expectancy | 1 x VW Piezometer @ 20°C: ~10 years; 100 Segment ShapeArray @ 20°C: ~3 years |
RS485 module
| Part ID | IIM-RS-485. Contact RST for full sensor list compatibility. |
| Supply power | 12 VDC up to 300 mA |
| Supported protocols | RS485 |
| Serial data rate | 9600 to 115200 Baud configurable through the RSTAR Affinity digital suite |
| Serial port | Half-duplex |
| Protection | 1500 VDC isolation on 12 V and 3000 VDC isolation on TTL signals; EN62368-1 certified ICs |
Vibrating Wire module
| Part ID | IIM-VW-VW / IIM-VW-TH |
| Excitation voltage | 5 V |
| Resonant frequency measurement range | 300 Hz to 7,000 Hz |
| Resolution | 0.11 Hz (1 part in 65,000) |
| Accuracy | ±0.7 Hz (0.01% FS) |
| Protection | 1500 VDC isolation on 5 V, 3000 VDC isolation on TTL signals, and ESD protection up to ±2KV on instrument ports |
Thermistor module
| Part ID | IIM-TH-TH / IIM-VW-TH |
| Measurement range | 0 Ohm to 196 mOhm |
| Resolution | 0.183 Ohm |
| Accuracy | ±0.1°C |
| Protection | 1500 VDC isolation on 12 V and 3000 VDC isolation on TTL signals; EN62368-1 certified ICs |
Ordering information
| RSTAR Affinity Logger | Please specify channel number, sensor configuration, radio frequency, and mounting type |
| DATA LOGGER-SE | Optional secondary enclosure for 1 logger with mounting plate, hardware, and ground stake |
| DT100 | Nut wrench for cable glands |
Available resource
Quick Start Guide available in PDF format.