TOPTUL 1/2" Digital Torque Wrench Short Handle Type 6.8–135 Nm

The TOPTUL DT-135S4 1/2" Digital Torque Wrench - Short Handle Type is a precise torque tool designed for tightening bolts and nuts to a specified torque in workshops, automotive maintenance, and equipment service. It has a short handle design with a 380 mm length, making it practical for daily use where better control and compact handling are needed.

This model offers a torque range from 6.8 to 135Nm, which is suitable for many precision and medium-duty maintenance tasks. The digital display helps the user read torque values clearly, while multiple torque units can be selected, including Nm, Ft-Lb, In-Lb, and Kg-cm.

The wrench supports two operating modes: Peak Hold for displaying the maximum torque value reached, and Track for continuous torque reading during use. It also provides LED and buzzer alerts when the preset torque value is reached, helping improve tightening accuracy.

Package Contents

• 1 × TOPTUL 1/2" Digital Torque Wrench - Short Handle Type, 6.8–135Nm.

Key Features

• Original TOPTUL digital torque wrench.
• 1/2" drive size.
• Short handle design with 380 mm length.
• Torque range from 6.8 to 135Nm.
• Torque accuracy: CW ±2% and CCW ±3%.
• Digital display for clear torque reading.
• Peak Hold and Track operating modes.
• Memory capacity up to 50 readings.
• Selectable torque units: Nm, Ft-Lb, In-Lb, Kg-cm.
• LED indicator and buzzer alert when preset torque is reached.
• Low battery indicator.
• Auto power off after 5 minutes of inactivity.
• 48-tooth ratchet mechanism with forward and reverse operation.
• Ergonomic dual-material soft grip handle.
• Suitable for workshop, automotive, and equipment maintenance.

Applications

• Tightening bolts and nuts to a specified torque.
• Automotive and equipment maintenance.
• Mechanical workshop use.
• Installation tasks requiring torque accuracy.
• Inspection and periodic maintenance work.
• Monitoring torque value during tightening with Track mode.
• Recording the maximum torque value with Peak Hold mode.
• Tasks requiring a digital reading instead of a traditional scale.
• Equipping workshops with a Taiwanese TOPTUL digital torque wrench.

Technical Specifications

• Brand: TOPTUL.
• Product Number: DT-135S4.
• Product Type: Digital Torque Wrench - Short Handle Type.
• Drive Size: 1/2".
• Torque Range:
• 6.8–135Nm.
• 5.0–99.5Ft-Lb.
• 60–1195In-Lb.
• 69–1378Kg-cm.
• Torque Accuracy: CW ±2% / CCW ±3%.
• Memory Capacity: 50 readings.
• Torque Units: Nm, Ft-Lb, In-Lb, Kg-cm.
• Display Resolution for DT-135S4:
• 0.1Nm.
• 0.1Ft-Lb.
• 1In-Lb.
• 1Kg-cm.
• Operating Modes: Peak Hold Mode / Track Mode.
• Ratchet Teeth: 48 Teeth.
• Ratchet Direction: Clockwise / Counterclockwise.
• Operating Temperature: -10°C to 60°C.
• Storage Temperature: -20°C to 70°C.
• Humidity: Up to 90% non-condensing.
• Battery: 1.5V AAA × 2pcs.
• Operating Time: 48 hours continuous use.
• Auto Power Off: After 5 minutes of inactivity.
• Length: 380 mm.
• Standards: DIN EN ISO 6789 / BS EN 26789 / ASME B107.28.
• Carton Content: CTN: 6 PCS.

What Is the Benefit of a Digital Torque Wrench?

A digital torque wrench allows the user to set and monitor torque values electronically, making the reading clearer than traditional mechanical scales. The LED and buzzer alerts also help the technician know when the preset torque value has been reached.

What Is the Difference Between Peak Hold and Track?

Peak Hold displays the maximum torque value reached during tightening, which is useful when you need to confirm the highest applied torque. Track displays the torque value continuously while working, making it useful for real-time torque monitoring.

When Do You Need a 1/2" Digital Torque Wrench?

You need a 1/2" digital torque wrench when you require a clear digital reading and accurate torque control in maintenance work, especially for automotive and equipment applications within the 6.8–135Nm range.

Difference Between a Digital and Mechanical Torque Wrench

A mechanical torque wrench usually relies on a scale and click mechanism, while a digital torque wrench provides a digital display, selectable units, memory readings, and LED/buzzer alerts. This makes it suitable for work requiring clearer readings and better torque value monitoring.

Frequently Asked Questions

What is the TOPTUL DT-135S4 digital torque wrench used for?

It is used for tightening bolts and nuts to a specified torque from 6.8 to 135Nm in automotive, workshop, and equipment maintenance tasks.

What is the drive size?

The drive size is 1/2".

What is the torque range?

The torque range is 6.8–135Nm.

Does it have a digital display?

Yes, it has a digital display for torque value and settings.

What operating modes are available?

It supports Peak Hold mode and Track mode.

Does it have memory?

Yes, it has memory capacity for up to 50 readings.

What is the torque accuracy?

The torque accuracy is CW ±2% and CCW ±3%.

What torque units are available?

The available units are Nm, Ft-Lb, In-Lb, and Kg-cm.

Does it require batteries?

Yes, it operates with 2 × 1.5V AAA batteries.

Is it a Taiwanese TOPTUL torque wrench?

Yes, it is from TOPTUL, a Taiwanese brand specialising in professional workshop tools.