Engineer Triangular Scale Ruler - 30cm

The Jakar Engineer Triangular Scale is a precision drafting tool designed for engineers, architect...

Best current price£10.25from B&Q

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B&QB&Q - Engineer Triangular Scale 30Cm Polystyrene 6 Scales 1:1.25-1:100 Dual-Colour Markings For Engineers & Students
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OnBuy.comJakar Engineer Triangular Scale 30Cm Polystyrene 6 Scales 1:1.25-1:100 Dual-Colour Markings For Engineers & Students 5012354030737
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The RangeJakar Engineer Triangular Scale Ruler - 30Cm
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Product Information

Full details

The Jakar Engineer Triangular Scale is an essential precision instrument designed for architects, engineers, and design students who require accurate technical drawings and scaled layouts. Its primary benefit is the inclusion of six versatile metric scales in a single durable tool, which simplifies complex drafting tasks and ensures consistency across projects; however, users should note that the ruler is made of rigid polystyrene, which requires careful handling to prevent scratching the high-impact scale markings over time.

All features

Model Part Number1595402
BrandJakar

Extended Product Information

FAQs

Does this ruler include imperial measurements?

No, this specific model is designed exclusively for metric drafting and engineering scales.

Can I use this ruler as a cutting guide?

While the rigid edge can be used as a guide, repeated contact with sharp blades may damage or score the polystyrene edge over time.

What is the total length of the ruler?

The ruler is exactly 30cm in length.

Is the ruler flexible?

No, it is constructed from rigid polystyrene to maintain accuracy and prevent bending during use.

How do I ensure the accuracy of the scale?

The ruler is precision-manufactured; avoid dropping it, as impacts can cause minute cracks or deformities in the plastic that may affect measurement accuracy.

Troubleshooting

Difficulty identifying the correct scale quickly

Utilize the dual-colour markers to categorize your most-used scales and memorize which colour corresponds to your primary project ratio.

Ruler feels unstable during drawing

Ensure the flat base of the triangle is placed firmly on the drafting paper and avoid applying uneven pressure to the overhanging edges.

Surface markings appear dull or dirty

Clean the ruler gently with a microfiber cloth; avoid using abrasive materials that could scratch the plastic surface.

Pros and Cons

Pros

  • Comprehensive selection of professional engineering scales
  • Triangular shape prevents rolling off drafting tables
  • Lightweight design makes it easy to carry in a tube or bag
  • Dual-colour markings significantly reduce eye strain
  • Clear, precise graduations for high-accuracy work

Cons

  • Polystyrene material can be brittle if dropped on hard floors
  • Not suitable for use with sharp metal scribes that may mar the surface
  • Limited to metric units only
  • Requires manual rotation to find the correct scale

Setup, Compatibility & Care

This scale ruler requires no setup and is ready for immediate use upon removal from its packaging. It is compatible with all standard drafting pencils, technical pens, and paper surfaces, including vellum and polyester drafting film. To ensure the longevity of your scale:

  1. Always store the ruler in a protective sleeve or case when not in use to protect the precision edges.
  2. Wipe clean with a soft, dry cloth; avoid using harsh solvents or alcohol-based cleaners, as these can dissolve the printed scale markings.
  3. Keep the ruler away from extreme heat sources to prevent potential warping of the polystyrene material.
  4. Use caution when using as a cutting guide; while durable, the polystyrene edge can be scored or damaged by utility knives.

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