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Monitoring and data logging for anchoring applications.
Auger extensions - machines up to 5-8t
specsView Torque Spool

Torque Hub - Screw Piling Torque Measuring System

Utilising the same technology as the Torque Spool, the Torque Hub screw pile torque measuring system delivers over 99% accurate torque readings. Data is sent over a robust 2.4 GHz RF FHSS signal to a smartphone via the TorqApp. The Torque Hub measures not only torque, but also inclination. This screw piling torque monitoring and data logging device is mounted between the output shaft and drive tool. This pile 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.

Various models available - Digga Australia

Available models

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.

Torque Hub - Digga Australia

More than just torque

Digga's Torque Hub provides you with a 99%+ accurate torque measurement alignment indicator and data logging proven solution.

Simple installation - Digga Australia

Simple installation

Replaces Kelly Bar adaptor or mounts directly onto the drive shaft. To suit 75mm Square & 100mm Square shaft sizes.

Easy export options - Digga Australia

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.

Available Range

Torque Hubs are available for drive units with 75mm and 100mm square shafts, with output torque from 13,000Nm-95,000Nm. – This includes Digga range PD15-PD50 and SD range of drives.

Type TQHB 75MM TQHB 100MM
Shaft 75mm 100mm
Bolt Circle 12 ea-5/8" on 7-5/8" B.C. 12 ea-3/4" on 8-5/8" B.C.
Torque Rating 27,116Nm (7-5/8" BC) 94,907Nm (7-5/8" BC)
"A" 261.6mm 270.5mm
"B" 24.6mm 224mm
"C" 24.6mm 26.9mm
Weight 37.2kg 60.3kg
Specifications
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 -40° to 50°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.
Accuracy +/- 1.0% F.S.O
Recommended Stud Size
7-5/8" Bolt Circle 12 ea - 5/8" - 11 UNC x 3-1/2" B7 studs w/ 12 ea - 5/8" - 11 UNC Gr 8 Nuts
8-5/8" Bolt Circle 24 ea - 3/4" - 10 UNC x 4" B7 w/ 48 ea - 5/8" - 11 UNC 2H Nuts