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Single/Dual Channel Cable Force Dynamic Tester for On-Site Monitoring
Cable force changes under dynamic loads, and tracking those shifts matters for structural health. A single/dual channel cable force dynamic tester captures rapid tension fluctuations in stays, suspenders, or external tendons. Kingmach builds these testers to work with different sensor setups, so whether you need a single channel for point measurement or a dual channel for comparative analysis, there is a configuration that fits. The device samples at rates high enough to catch transient peaks that static readings miss. Contractors and monitoring firms use it during load tests, long‑term health checks, and after extreme weather events. Because every project has its own constraints, Kingmach offers options for output formats, power supply, and enclosure rating—no one‑size‑fits‑all approach here.
Technical Detail
The Kingmach single/dual channel cable force dynamic tester converts frequency signals from attached load cells or accelerometers into readable tension values. It handles both static references and dynamic sweeps, so you get a full picture of how a cable behaves under live loads. The dual channel model acquires signals from two sensors simultaneously; that helps when you are comparing tensions on opposite sides of a pylon or tracking force redistribution along a strand group. Sampling rates can be adjusted up to a few hundred hertz—enough to capture wind‑induced vibration effects without generating unmanageable data volumes. Outputs include standard analog voltage and digital communication ports, making it straightforward to feed into existing data loggers or SCADA. Kingmach provides the unit with a rugged enclosure rated for outdoor use, and the front panel stays readable even in direct sunlight. Sensor excitation and signal conditioning are built in, so you do not need a separate signal amplifier. Custom cable lengths and connector types are available for projects that have specific wiring layouts. The company also keeps documentation straightforward: wiring pinouts, calibration procedures, and communication protocols are all included. If a standard configuration does not match your monitoring setup, Kingmach can adjust gain settings, add filtering, or pre‑load custom calibration curves before shipping.
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The single channel unit reads one sensor at a time, which is enough if you are monitoring a single cable or a single point of interest. The dual channel model lets you connect two sensors and collect data from both simultaneously, useful when you need to compare tensions at two locations in real time without switching inputs.
It accepts most strain‑gauge‑based load cells and IEPE accelerometers commonly used for cable force measurement. As long as your sensor output is within the specified mV or voltage range, the device can condition and digitise the signal. If you are unsure about compatibility, Kingmach can check your sensor specs and suggest any gain adjustments needed.
The tester runs on a wide DC input range, so a standard 12 V or 24 V battery bank works. For long‑term monitoring, a small solar panel with a charge controller is usually enough. If AC mains are available, an external adapter can be provided.
It outputs an analogue voltage proportional to the measured force, plus a digital stream over RS‑485 or Modbus. That makes it easy to connect to older chart recorders or modern PLCs. The digital output also streams timestamped force values, which helps with synchronisation if you are also recording wind speed or temperature.
The enclosure is sealed against dust and water jets, so it can sit under a deck or inside a cable anchorage without extra shelter. The connectors are industrial‑grade and lock in place. Still, if you need to mount it fully exposed, Kingmach can add a sun shield and stainless‑steel fittings on request.
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