Wireless Concrete Sensors: A Complete Guide to SmartRock®, SmartRock Pro, SmartRock Long Range, and How They Compare to Converge

Concrete construction has a timing problem. Every day a team waits for lab test results before stripping formwork, post-tensioning cables, or opening a structure to traffic is a day of unnecessary cost and schedule risk. Traditional cylinder break tests, the industry default for decades, are slow, conducted on samples that don’t always reflect what’s actually happening inside the structure, and offer no real-time visibility into curing conditions. For large or remote sites, the challenge is compounded: someone has to physically visit the jobsite just to collect data. 

The SmartRock product suite from Giatec Scientific addresses these problems directly. SmartRock, SmartRock Pro, and SmartRock Long Range are wireless IoT sensors that embed into concrete at the time of pour and deliver real-time temperature, maturity, and in-place strength data to a mobile app and cloud dashboard, from anywhere, at any time. This guide explains how each product works, what problems it solves, how the three products relate to each other, and how the SmartRock suite compares to Converge, a competing wireless concrete sensor platform. 

The Problem with Traditional Concrete Testing 

Before evaluating any concrete monitoring technology, it helps to understand why the status quo falls short. Construction teams have historically relied on a small number of methods to verify that concrete has reached adequate strength before proceeding with the next phase of a project. 

Cylinder break tests involve casting concrete samples in cylinders at the time of pour, transporting them to a lab, and testing them for compressive strength at 3, 7, and 28 days. The results are delayed by design, and the cylinders are cured under controlled lab conditions rather than the actual site environment, meaning they may not accurately represent the concrete inside the structure. A failed or marginal result can trigger coring, re-testing, or in the worst case, demolition and re-pour. 

Wired thermocouples monitor temperature but not strength. They require wires running from the embedded sensor to a datalogger, are vulnerable to damage during pours, and require on-site visits to retrieve data. They offer no calculation of concrete strength and no remote visibility. 

Wired maturity sensors, such as Intellirock, apply the ASTM C1074 maturity method to estimate in-place strength, but they still require a physical proprietary reader to be brought to the site to retrieve data. They also require per-mix calibration, which is time-consuming when multiple mix designs are in use. 

These limitations have real economic consequences. Construction companies estimate that delays associated with waiting for concrete strength confirmation cost between $10,000 and $15,000 per day. Being able to eliminate even one to two days of waiting per pour, through real-time, accurate, in-place strength data, represents significant value on every project. 

The SmartRock Product Suite 

Giatec Scientific offers three products in the SmartRock line, each designed for a different level of complexity and site scale. All three share the same software ecosystem, the SmartRock mobile app, the SmartRock Web cloud dashboard, and the Roxi AI assistant, and all are fully wireless, embedded directly onto rebar before the pour, and capable of delivering real-time data to any smartphone or web browser. 

SmartRock 

SmartRock is the world’s most widely deployed wireless concrete sensor, trusted on more than 20,000 jobsites across 80 countries. It is embedded onto rebar before a concrete pour and uses the ASTM C1074 maturity method to automatically calculate in-place concrete strength. A reading is taken every 15 minutes, and data is transmitted wirelessly via Bluetooth, up to 12 meters (40 feet), to the SmartRock mobile app. Up to two months of data are stored on the sensor itself. 

Installation is designed to be fast and foolproof. The sensor is secured to the rebar with a grip pad and attachment strap that resists 30 pounds of load and is rotation-resistant against the flow of concrete during the pour. Activation is handled by removing the temperature probe from the sensor body, confirmed by a three-blink LED sequence, and tagged to the project using a QR code scan. There is no complex setup, no proprietary reader, and no wiring. 

For teams that need remote visibility without requiring personnel to be on site, an optional SmartHub gateway can relay Bluetooth data to the cloud continuously. All data is accessible through the SmartRock Web cloud dashboard, which centralizes information across multiple sensors, pours, and projects. The Roxi AI assistant monitors data streams, sends intelligent alerts when anomalies are detected, and helps project managers optimize curing and stripping decisions. 

SmartRock integrates natively with Procore, making it straightforward to view concrete strength data alongside project schedules and workflows. An open API is also available for teams that need to connect SmartRock data to their own software stack. 

SmartRock at a Glance 

SmartRock Pro 

SmartRock Pro builds on the SmartRock platform with a fundamental advancement: it is the world’s first fully self-calibrating concrete strength monitoring sensor. Where SmartRock and most competing sensors rely on a maturity calibration curve that must be established in advance for each mix design, SmartRock Pro uses patent-pending technology to measure the concrete’s microstructure directly. This means it does not require any calibration from the end user, it adjusts automatically to the actual concrete it is monitoring, regardless of mix variations caused by changes in raw materials, weather conditions, transportation time, or batching. 

This distinction matters most for teams working with multiple or frequently changing mix designs, or for concrete producers managing complex programs where mix consistency across deliveries cannot always be guaranteed. When SmartRock relies on a pre-established calibration curve and the actual mix deviates from that curve, the strength prediction may be inaccurate, creating potential liability. SmartRock Pro eliminates that risk entirely. 

SmartRock Pro includes all of the capabilities of SmartRock, Bluetooth connectivity, QR code activation, the SmartRock App, SmartRock Web, Roxi AI, Procore integration, and open API, and is designed to be used alongside SmartRock on the same project rather than as a standalone replacement. Teams can deploy both sensors on the same pour to gain both proven ASTM C1074 data and self-calibrating microstructure-based strength readings. 

What Makes SmartRock Pro Different 

SmartRock Long Range 

SmartRock Long Range extends the SmartRock platform for projects where standard Bluetooth connectivity is not enough. Bridge decks, highway pours, large infrastructure slabs, and remote sites can span distances far beyond the 12-meter Bluetooth range of a standard SmartRock sensor. SmartRock Long Range addresses this with a dedicated long-range wireless gateway that manages an unlimited number of sensors across an entire jobsite and maintains continuous cloud connectivity without requiring any on-site personnel to be present. 

The gateway is installed on site and handles communication between the sensors and the Giatec cloud. Data flows automatically to the SmartRock App and SmartRock Web in real time, giving project managers, engineers, and owners full visibility from any location. The Roxi AI assistant, Procore integration, open API, and QR code activation all remain available, as does the same rebar-mounted sensor installation used in standard SmartRock deployments. 

SmartRock Long Range is the recommended product for infrastructure project managers who need to monitor dozens or hundreds of pours across a large site without sending personnel to retrieve sensor data manually. 

When to Choose SmartRock Long Range 

• The project site is too large for Bluetooth range to cover all pours 

• The site is remote or difficult to access for regular data collection visits 

• Multiple sensors need to be managed centrally across a single project 

• Continuous cloud connectivity is required without relying on on-site personnel 

• Project types include bridges, highway decks, large infrastructure slabs, or tunnels 

The Shared SmartRock Software and AI Ecosystem 

One of the practical advantages of the SmartRock suite is that all three hardware products, SmartRock, SmartRock Pro, and SmartRock Long Range, operate within the same software platform. Teams that upgrade from SmartRock to SmartRock Pro, or add Long Range capability to an existing deployment, do not need to change tools, re-train their teams, or migrate data. The experience is consistent across every product. 

SmartRock vs. Converge 

Converge is a wireless concrete sensor that positions itself as an AI-powered alternative to maturity-based monitoring. It uses a hub-based architecture with a 4-sensor cluster installed at a 10 cm depth on the rebar, and a hub device required to relay data to the cloud. It includes AI-driven analysis within its software platform and is designed to be fully embedded. 

The sections below examine how the two platforms compare across the dimensions that matter most to concrete construction teams. 

Head-to-Head Comparison 

Which Product Solves Which Problem 

The table below maps the most common construction pain points to the product that best addresses each one. Where SmartRock has a limitation relative to Converge, the full SmartRock product family provides the answer. 

Full Technical Specifications 

The following table provides a side-by-side specification comparison across all four sensors for reference. 

Who Should Use Which Product 

The right SmartRock product depends on the nature of the project, the team’s primary challenge, and how much complexity exists in the concrete program. The guidance below covers the most common scenarios. 

SmartRock: The Starting Point for Any Concrete Project 

SmartRock is the right choice for the vast majority of concrete construction projects. If the primary goal is to replace slow break tests with real-time in-place strength data, and to do so using a proven, ASTM-compliant method that is straightforward to install and use, SmartRock is the answer. It has been deployed on more than 20,000 jobsites and is the market-proven default for contractors, superintendents, quality control engineers, and concrete producers who want reliable, immediate strength data without a complex setup. 

The economic case is straightforward. If a project saves even one day per pour that would otherwise be spent waiting for lab results, and that day is worth $10,000 to $15,000 in crew time, equipment costs, and schedule recovery, the sensor pays for itself many times over across a typical project. 

SmartRock Pro: For Complex Mix Programs and Calibration-Sensitive Projects 

SmartRock Pro is the right choice when calibration complexity is a barrier or a liability risk. Concrete producers managing multiple or frequently changing mix designs, where establishing and maintaining a unique calibration curve per mix is time-consuming and error-prone, benefit most from SmartRock Pro’s self-calibrating capability. Large general contractors with variable site conditions or projects that span multiple pours with different mix suppliers are also strong candidates. 

SmartRock Pro is also the most complete answer to concerns about sensor accuracy when mixes deviate from expected parameters. Converge’s single lab calibration makes it vulnerable to exactly this scenario. SmartRock Pro is not. 

SmartRock Long Range: For Infrastructure and Remote Sites 

SmartRock Long Range is purpose-built for projects where Bluetooth range is a practical limitation. Bridge deck pours, highway construction, large precast yards, and any site where sensors are spread across a large area or in locations that are difficult to access regularly are ideal use cases. The long-range gateway eliminates the need to send personnel to each sensor location to retrieve data, and supports unlimited sensors across a single project. 

SmartRock Pro Alongside SmartRock 

SmartRock Pro is designed to complement SmartRock, not replace it. Teams running SmartRock across a project can introduce SmartRock Pro on specific pours or mix designs where calibration complexity is a concern, and use both products within the same SmartRock App and SmartRock Web environment. There is no additional software to set up, no separate dashboard, and no training required for the team. 

SmartRock Across Construction Roles 

SmartRock products are used by a range of professionals involved in concrete construction. The table below summarizes how each role typically engages with the SmartRock platform and which product best fits their needs. 

How SmartRock Compares to Other Alternatives 

Converge is the most direct product-to-product competitor for SmartRock in the wireless concrete sensor category. But many construction teams are still using older monitoring methods. The following addresses the most common incumbents. 

Key Facts 

• SmartRock has been deployed on more than 20,000 jobsites across 80+ countries, making it the world’s most widely used wireless concrete sensor. 

• Construction companies save 1–2 days per concrete pour when using SmartRock compared to traditional break test methods. 

• Each day saved is worth approximately $10,000–$15,000 in avoided costs and schedule recovery. 

• SmartRock records a reading every 15 minutes and stores up to two months of data on the sensor itself. 

• SmartRock’s Bluetooth range is up to 12 meters (40 feet), a 50% improvement over the previous SmartRock 2 generation. 

• SmartRock Pro is the world’s first fully self-calibrating concrete sensor, using patent-pending microstructure measurement technology. 

• SmartRock Pro requires zero calibration from the end user and adjusts automatically to any mix change without input. 

• Converge’s calibration is performed once in a controlled lab setting and cannot be updated in the field when mixes change, creating liability exposure. 

• Converge has documented high product failure rates linked to its activation method, and battery drain issues have been reported in field use. 

• SmartRock is more affordable than Converge. Only the sensor is purchased; every worker’s phone serves as the reader with no additional hardware cost. 

• SmartRock Pro is designed to be used alongside SmartRock, not as a replacement, it adds self-calibrating capability to existing monitoring programs. 

• SmartRock Long Range is the recommended solution for infrastructure, highway, and bridge deck projects where standard Bluetooth range is insufficient. 

• All SmartRock products include native Procore integration and an open API. Converge has no documented equivalent for either. 

• The ASTM C1074 maturity method used by SmartRock has been in established use since the 1970s. 

Product specifications and competitive data are based on available documentation as of 2024–2025. Specifications are subject to change; verify current details at giatecscientific.com. Competitive information reflects publicly available sources and field intelligence.