




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Screw anchor monitor & data logger
Digga is pleased to announce their latest product, the Torque Hub. Utilising the same technology as our Torque Logic, it delivers over 99% accurate torque readings. Data is sent over a robust 2.4GHz RF FHSS signal to a handheld display / datalogger. The Torque Hub measures not only torque, but also inclination. This torque monitoring and data logging device is intended to replace the Kelly Bar Adaptor or mount directly onto the drive-head output shaft and suits 75mm Square & 100mm Square shaft sizes.
Installation Torque Reporting
Screw Pile Reports can be exportable directly from your smart device via email using a smartphone with its’ hotspot enabled via the TorqApp.
The TorqApp is FREE to download from either the Apple App Store or Google Play.

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Models available
Torque Hubs are available for drive units with 75mm and 100mm square shafts, and torque ratings from 13,000Nm-95,900Nm. - including Digga's PD15-PD25 and SD range of drives.
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More than just torque
Digga's Torque Hub provides you with a 99%+ accurate torque measurement alignment indicator and data logging proven solution.
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Simple installation
Replaces Kelly Bar adaptor or mounts directly onto the drive shaft. To suit 75mm Square & 100mm Square shaft sizes.
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Export data logging records
Record torque, pile depth, angle, date, and time with additional user-defined export field options available. Reports are exported as both bare data (.dat file – open in Excel), and as a PDF line chart.
Specification | ![]() |
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Rated Output (R.O.) | 2 mV/V nominal | |
Nonlinearity | 0.1% of R.O. | |
Hysteresis | 0.1% of R.O. | |
Nonrepeatability | 0.05% of R.O. | |
Zero Balance | 0.1% of R.O. | |
Compensated Temp. Range | 16° to 71°C | |
Safe Temp. Range | -54° to 93°C | |
Temp. Effect on Output | 0.005% of Load/°C | |
Temp. Effect on Zero | 0.005% of R.O./°C | |
Terminal Resistance | 350 ohms nominal | |
Excitation Voltage | 5 VDC | |
Safe Overload | 150% of R.O. |