For safety inspectors, quality control managers and construction professionals, reliable pull testing is an important part of verifying the performance of fixings and anchors. Staht manufactures BS-compliant digital pull testing equipment designed to make this process more precise, connected and traceable.
The company's approach combines digital force measurement with Bluetooth connectivity and data logging. Its t25 and t60 digital pull testers can connect to Staht Connect, allowing test information to be captured on site and subsequently organised into professional reports.
For professionals responsible for quality assurance, understanding how digital pull testing works — and how it can support the documentation surrounding testing — is increasingly important. The technology does not replace competent testing or knowledge of the applicable standards, but it can make the evidence-gathering process considerably more efficient.
What Is Staht Digital Pull Testing Equipment?
Staht digital pull testing equipment is designed to verify the holding strength of fixings and anchors in applications including construction, scaffolding, cladding and safety installations.
The company's range includes digital pull testers, reaction bridges, adapters and accessories for different testing requirements. Two of its principal testers are the t25 Digital Pull Tester and t60 Digital Pull Tester.
The t25 is designed for testing up to 25 kN, while the t60 provides capacity up to 60 kN. Both combine digital force measurement with Bluetooth connectivity and are designed to work with Staht Connect.
The distinction between a digital pull tester and a traditional testing instrument extends beyond the display. A connected digital system can help bring measurement and documentation together, giving professionals a structured way to retain test information.
Staht Connect supports the capture of test information including peak load, target load, pass/fail result and timestamp. Depending on the workflow, users can also associate photographs, video, notes and location information with their records, while the cloud dashboard provides tools for organising tests and generating reports.
For quality control teams carrying out multiple tests, this can reduce reliance on handwritten records and subsequent manual transcription.
Understanding the Standards Behind Pull Testing
Pull testing is not a single, universal procedure. The appropriate test method, load and sampling requirements depend on factors including the fixing or anchor, substrate, application, relevant standard, manufacturer's instructions and project specification.
Staht's guidance highlights several standards and industry documents relevant to different pull testing applications, including BS 8539, BS 7883, BS EN 795 and NASC TG4.
BS 8539
BS 8539 is the code of practice for the selection and installation of post-installed anchors in concrete and masonry. It provides guidance for making appropriate decisions concerning anchor selection, installation and verification.
Pull testing may form part of the verification process where required by the circumstances of the installation or applicable requirements.
BS 7883
BS 7883 concerns anchor systems for personal fall protection. It is relevant to professionals working with anchor systems associated with work at height.
Testing requirements should be considered alongside the specific anchor system, manufacturer's instructions and applicable project requirements. A single test value should not be assumed to apply universally to every installation.
BS EN 795
BS EN 795 relates to anchor devices for personal fall protection. For safety inspectors and contractors, understanding the relationship between the anchor device, its intended application and its supporting documentation is important when determining the appropriate verification approach.
NASC TG4
NASC TG4 provides guidance relevant to the testing of scaffold ties. This makes it particularly relevant to scaffolding professionals who need to establish whether installed ties provide the required performance for their application.
The central principle is straightforward: compliance involves more than recording a force reading. The correct test method, equipment, load and documentation all contribute to a meaningful verification process.
Important Pull Testing Terms to Know
A working knowledge of common terminology helps safety inspectors and quality control managers interpret testing requirements accurately.
- Proof or test load: A specified load applied to an installed fixing or anchor to verify that it can sustain the required load without unacceptable movement or failure.
- Ultimate or pull-out test: A test that loads an anchor or fixing towards failure to investigate or establish its resistance. Unlike a proof test, this can be destructive.
- Tensile test: A test in which the load is applied along the axis of the fixing or anchor to assess its resistance to tensile forces.
It is also important to distinguish a test load from a working load. The required test load should be established from the applicable standard, manufacturer's requirements, design information or project specification rather than selected arbitrarily.
How Staht Digital Technology Changes the Testing Workflow
Traditional pull testing can involve several stages: setting up the tester, applying the required load, reading the result, recording it manually and subsequently transferring the information into project documentation.
Staht's digital approach brings measurement and data capture closer together.
Compatible Staht testers can connect to Staht Connect via Bluetooth. During testing, the application can capture information such as target load, peak load, pass/fail result and timestamp. Additional details, including photographs, video, notes and location information, can be added where required.
The cloud dashboard provides a central way to organise the resulting test records and generate reports for project documentation.
For inspectors working across large sites or completing numerous tests, this can reduce manual data entry and provide a more consistent way of retaining test evidence.
The technology therefore addresses an important part of quality control: not simply obtaining a measurement, but ensuring the information surrounding that measurement can be recorded, retrieved and communicated effectively.
Why Connected Testing Matters for Quality Control
Bluetooth connectivity is valuable because it links the measurement taken by the tester with the digital record created during the inspection.
For an inspector completing a series of tests, this can help reduce the amount of information that has to be transferred manually after the work is finished. Supporting details such as photographs, notes and location information can also help provide context when records are subsequently reviewed.
That traceability can be particularly useful for quality control managers responsible for checking that testing documentation is complete and accessible.
Digital records can also make it easier to identify individual tests within a larger project and compile information for reporting. Rather than treating testing and documentation as completely separate activities, a connected system helps bring them into the same quality assurance process.
How Staht Supports Safety Inspectors and Scaffolding Teams
Staht develops equipment for professionals who need to carry out practical pull testing across construction and safety-related applications.
For scaffolding teams, appropriate pull testing can form part of the process of verifying scaffold ties. For safety professionals, pull testers can support testing of anchors and fixings used in applications where reliable load verification is required.
The t25 and t60 provide different testing capacities, allowing users to select equipment appropriate to their requirements. The wider Staht range also includes reaction bridges, adapters and accessories for different testing configurations.
Staht has established relationships within the scaffolding sector, including a distribution agreement with Leach's for the t25 Digital Pull Tester.
The company also publishes feedback from professionals using its equipment. Sam Millward, Training Manager at Arco Professional Safety Services, has described the equipment as intuitive and highlighted the way the app simplifies testing compared with traditional approaches.
For teams, ease of use can be an important consideration because testing equipment needs to work effectively in real site conditions while fitting into established inspection and quality control procedures.
A Practical Quality Control Application
Consider a quality control manager overseeing the verification of safety anchors across a construction project.
Multiple installations may need to be tested and documented, with each result associated with the appropriate anchor, location and testing requirement. The manager also needs confidence that the resulting records can be retrieved if they are later required for quality assurance, project handover or inspection.
A digital pull testing system can support this process by allowing test results and relevant supporting information to be captured as the work is performed. The resulting records can then be organised and used to create project documentation.
This can make larger testing programmes easier to manage and reduce the administrative burden associated with transferring handwritten results into separate reporting systems.
However, digital technology does not replace the need for competent personnel. The validity of a pull test still depends on selecting the appropriate equipment and procedure, applying the correct load and interpreting the applicable requirements correctly.
The value of the technology is that it can make the recording and management of that testing evidence more efficient.
Calibration Is Part of Reliable Pull Testing
Accurate measurement depends on properly maintained and calibrated equipment. A force reading is only useful as evidence when the equipment used to obtain it is operating within its required specification.
Staht provides calibration and service support for its testing equipment. Maintaining appropriate calibration records alongside test documentation can strengthen the overall quality assurance process by providing evidence of the equipment's measurement status.
Calibration requirements should always be managed in accordance with the manufacturer's guidance and any applicable industry or project requirements.
For organisations carrying out regular pull testing, calibration should therefore be treated as part of equipment management rather than an afterthought. Proper maintenance, inspection and calibration help ensure that testing equipment remains suitable for its intended application.
The Bottom Line for Safety and Quality Professionals
For safety inspectors and quality control managers, digital pull testing is about more than replacing an analogue gauge with a digital display.
Staht combines professional pull testing equipment with Bluetooth connectivity and digital data management through Staht Connect. Its t25 and t60 testers provide different load capacities, while its wider range supports different testing configurations and applications.
The practical advantage is a more connected approach to testing documentation. Results can be captured alongside relevant information and subsequently organised for reporting, helping teams manage the evidence generated during inspection work.
At the same time, technology should remain part of a properly controlled testing process. The applicable standard, test method, load, equipment and competence of the person carrying out the test remain fundamental.
For organisations that need reliable testing records across construction, scaffolding and safety applications, understanding how digital pull testing fits into the wider quality assurance process is an important starting point.
Frequently Asked Questions About Staht Equipment
What is a Staht pull tester used for?
Staht pull testers are designed for testing fixings and anchors in applications including construction, scaffolding, cladding and safety installations. The t25 provides testing capacity up to 25 kN, while the t60 provides capacity up to 60 kN.
What is Staht Connect?
Staht Connect is the digital platform designed to work with compatible Staht pull testers. The mobile application connects to the tester via Bluetooth and can capture information including target load, peak load, pass/fail result and timestamp. Users can also add supporting information such as photographs, video, notes and location data, with records available through the cloud dashboard for organisation and reporting.
Are Staht pull testers BS compliant?
Staht manufactures BS-compliant digital pull testing equipment and references standards including BS 8539 and BS 7883 in its guidance. The precise requirements for any individual test should always be determined by the applicable standard, manufacturer's instructions, design requirements and project specification.
What is the difference between the t25 and t60?
The main difference is testing capacity. The t25 is designed for testing up to 25 kN, while the t60 provides capacity up to 60 kN. Both are designed for digital measurement and connectivity with Staht Connect.
How important is calibration for pull testing equipment?
Calibration is important because reliable testing depends on accurate force measurement. Staht provides calibration and service support, and users should follow the manufacturer's recommendations together with any applicable industry or project requirements.
Why is digital data logging useful for pull testing?
Digital data logging can reduce manual transcription and help create structured testing records. Staht Connect allows test information to be captured alongside supporting details such as timestamps, photographs, notes, video and location information, making the resulting evidence easier to organise and report.
