Enhance Infrastructure Monitoring with Reliable Analog Data Logging
Sentra’s Analog Data Logger provides versatile wireless data acquisition for a wide range of analog sensors. Our expertise lies in integrating precise sensing, robust wireless communication, and long-life battery performance to deliver actionable data — empowering engineers to maintain infrastructure with confidence.
Analog Data Logger
Compatible with a wide range of analog sensors
Logging intervals and channel settings through an intuitive interface
Industrial-grade enclosure and long-life power system
Overview
The Analog Data Logger is a 4-channel wireless device designed for unattended, long-term monitoring. It converts analog sensor signals into digital data with high accuracy and transmits them via secure LoRa networks. Configurable through mobile or cloud applications, it simplifies deployment, reduces maintenance, and ensures reliable data collection for bridges, tunnels, buildings, and industrial assets.
What's Included
Robust hardware and intelligent services designed to deliver precise analog measurements and seamless data collection from the very first deployment.
- 4-channel analog input with multiple input types
- Sensor power outputs: 5 V, 12 V, 24 V (up to 60 mA per channel)
- Weatherproof design (IP68)
- Mobile app for field setup, voltage thresholds, and wiring assistance
- Long battery life of up to 10 years depending on configuration
- Configurable reporting periods and automated data transmission
- Monthly Performance Reports
Why Choose Sentra for Analog Data Logging?
Designed with infrastructure owners and engineers in mind, delivering reliable insights that drive smarter decisions
Reliable Monitoring
Continuous, unattended operation for up to a decade
High-Precision Inputs
Accurate voltage, current, Wheatstone bridge, thermistor, and PT100 measurements
Edge & Cloud Intelligence
lexible configuration, local or remote management, and integration with asset management systems
Actionable Data
Real-time thresholds, alerts, and reporting
Main technical specifications
| General | |
|---|---|
| Device Type | Analog industrial data logger |
| Data Transmission | LoRa radio communication (868 or 915 MHz) |
| Channels | 6 channels |
| Input Types | Voltage, current loop, potentiometer, full wheatstone bridge |
| Power Supply per Channel | 6.6 V (±0.2 V) – 4 × 1.5 V C cells |
| Memory Size | 64,000 readings (16 bits) |
| Operating Temperature | −40°C to +80°C |
| Weather Protection | IP68 |
| System Configuration | Locally via Worldsensing App or remotely using CMT Edge for single-net deployments and CMT Cloud for multi-net deployments |
| Voltage Input Specifications | |
| Measurement Range | ±10 V DC |
| Accuracy | ±(0.02% of reading ±5 µV) |
| Current Loop Input Specifications | |
| Measuring Range | 0–20 mA |
| Accuracy (25°C) | ±(0.02% of reading ±0.5 µA) |
| Ratiometric and Potentiometer Signals Specifications | |
| Accuracy (25°C) | ±(0.03% of reading ±8 µV/V) |
| Full Wheatstone Bridge Input Specifications | |
| Accuracy (25°C) | ±(0.03% of reading ±8 µV/V) |
| Thermistor Input Specifications | |
| Accuracy (25°C) | ±0.05°C (0.04% FS) |
| PT100 Input Specifications | |
| Accuracy | ±0.05°C |
| Battery life estimations | |
| Note | These are typical values for standard operations depending on the logging and transmission intervals. |
| Reporting Period – 5 min | 4.6 years (1-ch) / 4.6 years (5-ch) |
| Reporting Period – 1 h | 22.7 years (1-ch) / 22.7 years (5-ch) |
| Reporting Period – 6 h | >25 years (1-ch) / >25 years (5-ch) |
Got Questions? We've Got Answers.
It’s a wireless tri-axial sensor for continuous vibration monitoring of structures like bridges, tunnels, railways, and buildings — helping detect vibration events, assess structural health, and ensure safety compliance.
The sensor uses a 3-axis MEMS accelerometer with an edge algorithm that identifies threshold breaches based on Law/PPV and frequency, ensuring only critical vibration data is reported.
It supports LoRaWAN and 4G LTE, enabling long-range, low-power communication — up to 10 km coverage using repeaters, even in underground or remote environments.
With its ultra-low-power design, the replaceable battery lasts up to 1.5 years under normal operation, ensuring reliable long-term deployment.
Yes. It’s fully compatible with Worldsensing’s Loadsensing network, allowing seamless integration with CMT platforms, dashboards, and digital twin systems for real-time visualization and analytics.
It can be installed on bridges, tunnels, buildings, industrial machinery, and construction sites, including underground or hard-to-reach locations, providing continuous vibration insights for diverse infrastructure projects.