Reliable Analog Data Logging for Smarter Infrastructure Management
Sentra’s Piconode Data Logger provides compact, wireless data acquisition for low-power analog sensors such as rain gauges, load cells, thermistors, and displacement sensors. By combining precise analog measurement, long-life battery operation, and secure LoRa wireless communication, it turns raw sensor data into actionable insights for faster, data-driven maintenance decisions.
Piconode Data Logger
Ultra-small design for easy integration
Optimized for vibrating wire and temperature sensors
Efficient power management enabling
Seamlessly connects to LoRa or thread networks
Overview
The Piconode is a 3-channel compact wireless data logger designed for long-term, unattended operations. It includes one configurable analog channel, one thermistor channel, and one pulse counter channel. The device transmits high-accuracy measurements via LoRa, while onboard software and mobile apps allow field setup, sample collection, and signal coverage testing without manual data retrieval.
What's Included
Robust components and intelligent services that make analog monitoring reliable from the start
- 3-channel data logger (1 configurable, 1 thermistor, 1 pulse counter)
- Sensor power output: 5 V DC, up to 50 mA
- High-accuracy measurements for voltage, potentiometer, Wheatstone bridge, and thermistors
- Internal temperature monitoring with each reading
- IP68 weatherproof design
- Battery life up to 25 years depending on reporting interval
- Mobile app for field configuration and wiring assistance
Why Choose Sentra for Analog Data Logging?
Designed for infrastructure owners and engineers, delivering actionable insights with minimal effort
Continuous Reliability
Long-term, unattended data logging with efficient battery and power management.
Precision Measurements
Capture accurate signals from voltage, potentiometer, Wheatstone bridge, thermistor, and pulse sensors.
Easy Setup & Integration
Configure in the field via mobile app and seamlessly connect to cloud platforms for remote monitoring.
Insightful Alerts
Automatic notifications on threshold breaches and real-time data for smarter decision-making.
Main technical specifications
| General | |
|---|---|
| Device Type | Compact analog wireless data logger |
| Data Transmission | LoRa radio communication (868 MHz or 915 MHz) |
| Channels | 3 channels: 1 configurable, 1 thermistor, and 1 pulse counter channel |
| Operating Temperature | −40°C to +80°C |
| Weather Protection | IP68 |
| System Configuration | Locally via Worldsensing App or remotely using CMT Edge (single-net deployments) and CMT Cloud (multi-net deployments) |
| Channel 1: Configurable | |
| Input Types | Voltage, Potentiometer, Full Wheatstone Bridge |
| Voltage Excitation | 0–5 VDC up to 50 mA |
| Measurement Range | ±7.5 mV/V for FWB 0–5 VDC (0–1 V/V) for Potentiometer 0–5 VDC for Single-ended Voltage |
| Accuracy | 0.04% FS for FWB 0.1% FS for Potentiometer 0.04–0.5% FS for Single-ended Voltage |
| Channel 2: Thermistor | |
| Measuring Range | 0 Ω to 2 MΩ |
| Accuracy (at 25°C) | 0.04°C (0.04% FS) for 32kΩ 0.05°C (0.04% FS) for 50kΩ |
| Channel 3: Pulse Counter | |
| Pulse Count | 0 to 4,294,967,295 pulses |
| Pulse Rate | 0 to 50 Hz |
| Accuracy | ±1 Pulse |
| Battery life estimations | |
| Reporting Period | 1 Cell / 2 Cells |
| 5 min | 1.3 years / 2.9 years |
| 1 h | 8.6 years / 17.2 years |
| 6 h | 15.4 years / >25 years |
Got Questions? We've Got Answers.
Piconode supports analog sensors including voltage, potentiometer, Wheatstone bridge, thermistors, and pulse counters, making it versatile for environmental, geotechnical, and structural monitoring.
The logger captures measurements from connected sensors and transmits them wirelessly via LoRa to a gateway or cloud platform, enabling remote monitoring without manual data retrieval.
Yes, its long-range LoRa communication and extended battery life allow deployment in remote, difficult-to-access areas for years without intervention.
Depending on configuration and reporting frequency, Piconode can operate for up to 25 years on its internal battery, minimizing maintenance requirements.
Absolutely. Data can be accessed via cloud platforms or mobile apps, and Piconode can be integrated with third-party asset management and data analysis systems.
Piconode is designed for bridges, tunnels, buildings, geotechnical sites, environmental stations, and industrial installations, offering reliable analog data capture in harsh conditions.