BERNINA Bobbin Case Tension Gauge for Q Series Long Arms

The BERNINA Bobbin Case Tension Gauge for Q Series Long Arms is a precision maintenance tool designed for quilters and longarm users who demand consistent, flawless stitch quality. Proper bobbin tension is one of the most critical factors in longarm quilting, and this gauge takes the guesswork out of setting and verifying that tension — helping you avoid thread breaks, loops, and inconsistent stitch formation before they affect your work.

Key Features

• Measures bobbin case tension accurately to help you achieve optimal thread flow on BERNINA Q Series longarm machines.
• Eliminates guesswork when setting or resetting bobbin tension after changing thread weight or bobbin brand.
• Compact and lightweight, making it easy to store with your machine accessories and use at the machine.
• Designed specifically for compatibility with BERNINA Q Series longarm machines, ensuring reliable, model-matched readings.
• Helps reduce common stitch quality issues such as loops on the quilt back, thread breaks, and uneven tension caused by improperly set bobbin cases.
• Useful for establishing a consistent baseline tension reading, making it easier to repeat successful settings across projects.
• A practical tool for both routine maintenance and troubleshooting tension-related problems on your longarm.

Specifications

This tension gauge is an essential tool for any BERNINA Q Series longarm owner who wants to maintain precise, repeatable bobbin tension and protect the quality of their quilting work. OSP Machines is an authorized dealer and provides free support for the life of your machine. Reach out to the OSP Machines team any time you have questions about setup, use, or troubleshooting — we are here to help for as long as you own your machine.

Compatible Machines

• BERNINA Q 16 Long Arm
• BERNINA Q 20 Long Arm
• BERNINA Q 24 Long Arm

Frequently Asked Questions

Which BERNINA longarm machines is this tension gauge compatible with?

This bobbin case tension gauge is designed specifically for the BERNINA Q Series longarm machines, including the Q 16, Q 20, and Q 24.

Why is a bobbin tension gauge important for longarm quilting?

Correct bobbin tension is critical for balanced, even stitches on a longarm quilt. Even small variations in tension can cause loops on the quilt back, thread breaks, or uneven stitch formation. A tension gauge lets you measure and set tension precisely, so you can establish a reliable baseline and quickly identify when something is off.

Does this gauge come with instructions for use?

BERNINA accessories typically include guidance in the machine's manual or service documentation. If you need help using this gauge with your specific Q Series machine, the OSP Machines support team is available to assist you at no charge for the life of your machine.

Is this the same tension gauge used by BERNINA service technicians?

This is a BERNINA-branded tool sold for use by machine owners to check and maintain bobbin case tension on Q Series longarms. It is the same type of tool referenced in BERNINA Q Series maintenance guidance for achieving correct thread tension settings.

What warranty coverage comes with this product?

OSP Machines is an authorized dealer and provides free support for the life of your machine. If you have any questions about this accessory or your BERNINA longarm, our team is here to help.