Converge Helix® – The Reusable Concrete Monitoring System Built for Modern Projects

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Traditional cube crush testing has always been slow, costly, and often inaccurate in reflecting real curing conditions. In today’s construction world, contractors need faster, smarter, and more sustainable ways to track curing performance. That’s where Converge Helix®, a reusable concrete monitoring system, steps in.

For the full overview of how Converge is transforming monitoring technology in Australia, see our main Converge blog.

What is Converge Helix®?

Converge Helix reusable concrete monitoring system node installed on site

Converge Helix® is a non-embedded, wireless concrete sensor system designed for long-term use across multiple pours. Unlike traditional testing, it measures real-time curing data inside slabs, beams, or tunnels using concrete data sensors connected to the ConcreteDNA® platform.

This system provides contractors with a digital concrete testing alternative, giving instant visibility into temperature, maturity, and strength development without the delays of lab results. By aligning with ASTM C1074, NSW T382, and VicRoads 610-16m standards, Helix® ensures compliance and efficiency in even the most complex projects.

Converge Helix® Product Units

Each unit of the Helix® system plays a key role in delivering real-time results:

  • RAK Helix Hub (Wi-Fi & Cellular): Transmits live curing data from sensors with long-range concrete sensor connectivity up to 2km.
  • Helix Hub Software: Delivers compliance-ready reports and predictive insights on the ConcreteDNA® platform.
  • Helix Node (Hardware): A reusable sensor that captures in-slab curing conditions and strength trends.
  • Helix Node Software: Enables communication between the node and hub for accurate analytics.
  • Thermal Tails (Single & Multi-Probe): Measure temperature at multiple depths for reliable thermal profiling.
  • Calibration Analysis & Report: Links temperature history to compressive strength for mix-specific accuracy.

Together, these components form a concrete temperature monitoring equipment setup that makes quality control easier, faster, and more reliable.

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How Converge Helix® Works

Diagram of Converge Helix reusable concrete monitoring system showing hub, node, sensor, and ConcreteDNA platform

The Helix® workflow is simple yet powerful:

  1. Helix Hub: Set up and install the Helix Hub in a central and elevated position with good visibility. The Helix System now has a means of sending data to ConcreteDNA.
  1. Thermal Tail: Connect a Thermal Tail to a Helix Node and register the Tail using the ConcreteDNA mobile app and scanning the QR code. Attach the probe to the rebar at your desired measurement point. The embedded probe will send temperature and strength data to the Node.
  1. Helix Node: Turn on Helix Node and attach it to hoarding or an elevated position outside of the pour, it will transmit data to the Hub and onto ConcreteDNA. Once monitoring of the pour is complete, simply detach the Node from the Tail and reattach to the new desired tail.
  1. ConcreteDNA Mobile and Web App: Use the ConcreteDNA® app to manually collect data over Bluetooth from the Signal Sensor +™. Concrete strength, temperature, and AI milestone predictions can be view in-real time.

Technical Specifications of Helix Node

Description Long range sensor node
Device dimensions (LxWxH) 133 x 66 x 47 mm
Weight 206g
IP Rating IP67 Waterproof
Operational Temperature range -40 to 85°C
Enclosure materials Shell material: ASA
‍Button material TPU
Bluetooth version v5.1
LoRaWAN range Up to 1.5 miles in open space
Measurement frequency Every 20 mins
Battery chemistry and voltage 3.6v Lithium Thionyl Chloride battery (Not replaceable)
Maximum recommended shelf life 2 years
Internal battery capacity 8500mAh
Internal battery voltage 3.6v
Internal battery Wattage 30.6wh
Applicable Products ConcreteDNA

Benefits of Wireless Concrete Monitoring with Helix®

Adopting Helix® offers benefits across efficiency, safety, and sustainability:

  • Faster Timelines – Reduce formwork cycles by up to 40%.
  • Improved Safety – Avoid premature stressing and unsafe loading.
  • Lower Costs – Reusable hardware saves on repeated lab testing.
  • Sustainability Edge – Validates low-carbon concrete mixes with real-time curing insights.
  • QA and Compliance – Creates digital, audit-ready records with zero manual paperwork.

When Should You Use Converge Helix®?

Helix® is the go-to solution when projects demand long-range concrete sensor performance and hardware reusability. Since it is non-embedded, the system can be reused across multiple pours, making it highly cost-effective.

Best applications include:

  • Civil works like tunnels, bridges, and large-scale infrastructure.
  • Remote or regional sites where cube testing is impractical.
  • Long-duration monitoring across wide site footprints.
  • Projects requiring scalable, wireless concrete sensors for multiple pours.

Conclusion

Converge Helix® combines wireless concrete sensors, concrete temperature monitoring equipment, and predictive software into a single digital concrete testing alternative. As a reusable concrete monitoring system, it helps contractors deliver safer, faster, and greener projects while staying compliant.

At Danterr, we’re proud to bring this innovation to Australia. Whether you’re building tunnels, bridges, or remote infrastructure, Helix® gives you the confidence that every pour will perform as designed.

📞: 1800 262 383
📧[email protected]

Frequently Ask Questions (FAQs)

Helix® provides highly accurate readings of in-slab temperature and maturity when paired with calibration analysis. Its precision makes it a trusted concrete monitoring sensor that aligns with ASTM and Australian compliance standards.

Yes, calibration ensures data aligns perfectly with your mix design.

Helix Nodes and Hubs are designed for repeated use across multiple projects, offering contractors long-term savings and reducing waste compared to disposable monitoring solutions.

Signal® is an in-pour concrete sensor designed for single-use accuracy within the slab, while Helix® is a reusable concrete monitoring system with long-range connectivity. Together, they give contractors flexibility depending on project requirements.