The Digital Logger is a robust, low-power, long-battery life device that connects to a wide catalog of digital sensors, streaming data wirelessly to your information systems.

RS485 port

Compatible with Modbus RTU and other proprietary protocols

Compatible with main geotechnical sensor manufacturers

Suitable for connecting chains of sensors such as in-place inclinometers (IPIs) and multipoint borehole extensometers (MPBX)

Extensive catalog of structural sensor compatibility

Readily available to connect load cells, liquid settlement systems, level sensors

Environmental sensor compatibility

Such as weather stations, water quality probes and water level sensors

Mobile app configuration

Advanced device management through mobile app for auto-setup, voltage threshold setup and addresses configuration

Features

Main technical specifications

Input types
RS485 full or half duplex supported
Output power
Regulated 12 V DC up to 200 mA in continuous operation. Maximum startup current peak of 1.5 A, up to 50 ms
Supported protocols
MODBUS RTU and proprietary protocols

Integrations

Experience a seamless connect-and-collect process with our extensive catalog of integrated digital sensors from leading geotechnical, geospatial, environmental and process sensor manufacturers.

View full list of integrations

Mounting options

Explore our range of versatile mounting plate accessories, designed to securely fix your device according to the requirements of any project.

Pole Mounting

Using the WS-ACC-POLE-PL8 aluminum plate for pole mounting together with either WS-ACC-U35 35 mm u-bolts or WS-ACC-U50, 50 mm u-bolt.

Wall Mounting

Using the LS-ACC-MEC-MP external mounting brackets for wall mounting (set of 2).

For a full list of available accessories, check out the

Digital Logger product datasheet 

Applications

Explore the wide range of monitoring solutions the Digital Data Logger enables across geotechnical, structural and environmental monitoring.

Geotechnical

Structural

Environmental

In-ground vertical and lateral displacement and deformations

Shape Arrays In-place inclinometers

In-place inclinometers are positioned at fixed locations in the inclinometer borehole allowing continuous monitoring. Connect Shape Arrays and IPIs and wirelessly transmit data using the Digital Data Logger or the broadband ThreadX3 for longer chains.

Up to 200 segments of Shape Array using the Digital Logger and up to 300 segments using the ThreadX3.

 

In-ground displacement between anchors within a borehole

Multi-point piezometers Multi-point borehole extensometers

Leverage compatibility with all major manufacturers of multi-point extensometers (MPBX) and in-place extensometers (IPX). Connect any vibrating wire, potentiometer, or analog displacement sensors installed in the head of the extensometer to the appropriate data logger. Digital MPBXs allow for reading more points with a single digital logger and enable the connection of more than one MPBX to the node.

If higher spatial resolution is needed, a chain of in-place extensometers can be installed in the borehole and connected to a digital logger.

Stress changes in rock

Hollow inclusion (HI) cells

The Digital Logger can be utilized to read and transmit the 3-D stress measurements from HID cells via a digital converter.

Pore water pressure and level

Piezometers Multi-point piezometers

Connect piezometers and multi-point piezometers from all the major geotechnical sensor manufacturers. Use 1-channel or 5-channel Vibrating Wire data loggers to transmit data from any number of sensor configurations. Water level sensors can be connected through Analog or Digital Data Loggers.

Soil water tension and moisture

Tensiometers Soil moisture sensors Granular matrix sensor

Assess soil water tension and moisture with a tensiometer and a granular matrix sensor both connected to an Analog Data Logger. Additionally, measure volumetric water content with a soil moisture sensor connected to a Piconode. You can also connect the Digital Logger to one or a chain of digital tensiometers.

Loads and movement in beadings and joints

Pressure transducers Crackmeters Extensometers

Monitor the pot bearing pressure and displacement through pressure sensors, extensometers or crackmeters. Control the joint expansions and contractions wirelessly connecting these sensors to Analog, Digital or Vibrating Wire data loggers.

Comprehensive Weather Parameters

Weather Stations Weather transmitters

Compatibility with major weather transmitter manufacturers via digital interface. Monitor precipitation, air temperature and other weather parameters using a weather transmitter connected to a Digital logger or ThreadX3. Multiple configurations readily available to stream the right data to your information systems.

How monitoring can help make tailings dams safer

This ebook, written by our mining and IoT experts, will help you understand the new challenges and solutions in tailings dams monitoring.

Download ebook

Frequently asked questions

What is a Digital data logger

The digital data logger is a wireless data acquisition IoT device that collects data from digital sensors using RS485 ModBus RTU communications or proprietary protocols and transmits them using long-range, low power radio communications

How does it work?

The digital data logger operates by connecting one or a string of digital sensors to the RS485 port. It transmits data via Worldsensing LoRa networks to a CMT Edge for local-access, single-network deployments. Data can also be transmitted via the internet from the gateway to CMT Cloud for a multi-project, multi network deployment.

What is the maximum interval at which data can be collected?

Devices can be configured with various reporting periods. The maximum interval for data collection is one sample every 24 hours. At this rate, the system can operate for an extended period, typically between 7 and 10 years.

What is the communication range for the data logger?

The radio range of any of Loadsensing devices varies depending on the environment. In open sight, the range can reach up to 15 km (9.3 mi), while in a city street it is up to 4 km (2.5 mi). When placed in a manhole in a city street, the range is up to 2 km (1.2 mi), and in a tunnel, it extends up to 4 km (2.5 mi).

What are the maintenance and troubleshooting requirements for the product? Can it be handled by internal skilled employees?

Maintenance is straightforward and varies by location. With basic training, employees can configure and maintain the devices and gateway via the Worldsensing App. Monthly visual inspections are recommended, especially in active areas. Inspect devices and sensor cables if you notice anomalous or missing readings. Our remote management software reduces manual checks by allowing 24/7 access to network status and sending downtime alerts. Batteries can last up to 10 years, but it’s best to schedule changes based on battery life estimates and data acquisition frequency.

How is data protected during transmission?

Data protection and privacy are achieved through 128 AES [Advanced Encryption Standard] encryption on multiple levels, for all data being sent from the sensors to the application server and back.

Need more info or support? Talk to an expert

What they say about us

Discover how Worldsensing has made a positive impact, providing reliable solutions and exceptional support.

A smooth integration means Worldsensing’s engineers work closely with us to understand our technical requirements and specifications, so the Worldsensing platform can offer our customers the highest levels of compatibility and interaction with our sensors and systems.

Vincenzo Caci
Sales director, Sisgeo

The set-up and installation was extremely simple. The data could be immediately transferred to the evaluation and visualization system. Its main advantage is its ability to send radio signals from under manholes and over a long distance. Read success story

Dr.-Ing. Andreas Wagner
Project Manager, Angermeier Ingenieure

The adoption of Worldsensing IoT technology eliminates the need for cabling, reduces manual monitoring and allows significant savings up to 30% on the acquisition of materials and infrastructure and up to 40% on installation. Read success story

Leonardo Santana
Geotechnology Technical Leader, Tetra Tech

Worldsensing's IoT technology enables wireless, automated collection of sensor data in the mines for a safer and more work-efficient workplace. Read success story

Sudaryono Widodo
Founder and Director, Solusi Monitoring Indonesia

Worldsensing is very easy to use. The most important benefit is the wireless connection, in combination with the long range and the low-power consumption.

Erdmann Jacobeit
Terra Vermessungen

Worldsensing solution has proven to be a game-changer in our project, exemplifying our commitment to innovation and safety in the field of slope monitoring. We continue to lead the way in technological advancements for a safer, more reliable transportation network. Read success story

Leon Hsieh
Manager, Sanlien Technology

Using Worldsensing loggers and gateways has enabled us to increase the size and quality of our continuous ground monitoring network throughout the mine, while still remaining efficient about time and resources required.

Darren Neely
Senior Rock Mechanics Engineer, Vascoy Potash, Nutrien

Together with Worldsensing, we successfully addressed the demanding monitoring needs of a complex project. Continuous monitoring has mitigated potential negative impacts on the environment and neighbouring communities, and been instrumental in ensuring uninterrupted pipeline service during construction, thereby effectively managing operational costs. Read success story

Jorge Gutiérrez
Technology Team Lead, Insercor

The integration and reporting have been seamless and highly reliable since the start of our project. Trust in the structural health monitoring system lets the mine owner focus on the next steps of the mine construction. Read success story

Vincent Le Borgne
Mining R&D Manager, GEO-Instruments Canada (formerly GKM Consultants)

The data we're getting is excellent. Remote access to the data is an improvement on having to send someone on site to take measurements. Read success story

Guillaume De Tonnancourt
Sales Manager, GEO-Instruments Canada (formerly GKM Consultants)