Digga Pressure Differential Gauge.

Torque Spool

Screw pile torque measuring system

With 99% accuracy, Digga’s Torque Spool is the ultimate helical pile measuring solution tracking torque, pile angle, and depth via a BYO display. Data is stored and exportable for reports.

Suits torque heads from 110,000–500,00Nm.

Torque Spool graphic. Digga Europe.

Data is sent over a Wi-Fi signal from the Torque Spool device (mounted between the output shaft and torque head) to a smartphone, via the app – TorqApp.

Torque App. Digga Europe.

The Torque Spool and TorqApp system tracks torque, screw anchor angle, and installation depth via a BYO display.

Torque App reporting. Digga Europe.

Reports can be exported directly from your smart device, via email. Simply enable ‘Hotspot’ on a smartphone via TorqApp.

Digga torque spool range.

Available models

Torque Spools are available for torque heads with torque ratings ranging from 110,000 Nm to 500,000 Nm, including Digga’s MD, UD, and XD torque head range.

Torque Spool stud pattern.
Digga torque hub dash.
Digga torque hub mapping.

+

99%
Accurate

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

Specifications

Digga’s Torque Spool measures not only torque, but also inclination. The screw anchor torque monitoring and data logging device is mounted between the output shaft and torque spool tool, and is intended to replace the Kelly Bar adaptor or mount directly onto the drive-head output shaft.

Available Range
TypeTQSP-150KTQSP-250KTQSP-375K
Shaft130mm150mm200mm
Torque Rating203,373Nm338,954Nm508,431Nm
Type 'A'229mm248mm260mm
Type 'B'356mm445mm603mm
Type 'C'305mm395mm552.5mm
Type 'D'31.8mm35mm38.1mm
Type 'Y'25.4mm30mm28.6mm
Type 'X'12 holes12 holes16 holes
Weight91kg161kg286kg
Specifications
Specifications
Rated Output (RO)2 mV/V nominal
Nonlinearity0.1% of RO
Hysteresis0.1% of RO
Nonrepeatability0.05% of RO
Zero Balance0.1% of RO
Compensated Temp. Range16° to 71°C
Safe Temp. Range-40° to 50°C
Temp. Effect on Output0.005% of Load/°C
Temp. Effect on Zero0.005% of RO/°C
Terminal Resistance350 ohms nominal
Excitation Voltage5 VDC
Safe Overload150% of RO
Accuracy+/- 1.0% FSO
Recommended Stud Size
TypeRecommended Bolts/Nuts
TQSP-150K24 ea - 1"-8 UNC x 5" B7 w/ 48 ea - 1"-8 UNC 2H Nuts
TQSP-250K24 ea - M30-3.4 x 150mm Class 12.9 w/ 48 ea - M30-3.5 Class 12 Nuts
TQSP-375K32 ea - 1-1/8" - 8 UN x 6" B7 w/ 64 ea - 1-1/8" - 8 UN 2H Nuts

Simple installation

The Torque Spool mounts between the output shaft and drive tool, using a load cell between flanges for flexible mounting without adaptors.

Torque head with Digga Torque Spool.
Digga torque hub - Export data.

Export data logging records

Record torque, screw anchor depth, angle, date, and time with additional user-defined export field options available.

Digga torque hub Torq-App.

Real data in real-time

Reports are exported as both bare data (.dat file) which can be opened as a spreadsheet in Excel), and as a PDF line chart.
Digga torque hub export data.

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