Depth Gauges

Achieving an accurate reading of a component depth can be somewhat frustrating without the right tool. Using a ruler and eyeballing the depth is a technique from the past, depth gauges are the right way to go. These gauges are simplistic in their design and easy use. So, if you are looking for a depth gauge, we undoubtedly will have the ideal solution to meet your needs.

Types of depth gauges

Depth gauges have measurement scales in inch or metric (millimetre) values. Some models offer dual options showing both imperial and metric measurements. Gauges can be analog, digital or Vernier type gauges.

Analog depth gauges or dial depth gauges have a dial and a needle indicator that shows the depth measurement on the face of the dial.

Digital depth gauges use a digital display that shows the depth measurement in a numerical format. Digital depth gauges require an additional power source to work. Normally battery powered by a coin cell battery such as an SR44 or similar.

Vernier depth gauges use the Vernier scale. These type of depth gauges allow the user to obtain additional precision measurement readings using this principle.

How do they work?

Depth gauges are effectively made up of two components, a measuring ruler and a slide head that has a flat base. To operate simply place the depth gauge inside the hole or slot to be measured then move the ruler and the slide down until you reach the mating surfaces. Ensure the slide is perpendicular to the base for a true reading.

Applications

Anyone doing construction or remodelling work and in need of accurate measurements of the depth of a slot, hole or recess will find a mechanical depth measurement tool handy. You can also use them to measure and locate centre distances.

Why would you choose RS Components for depth gauges?

We support engineers with the best in class linear measurement devices. Our range of depth gauges is of the highest quality, available in analogue and digital variants, sourced from leading brands such as; Mitutoyo, Starrett, and RS PRO. We also offer an in-house calibration service. For more details see here calibration services


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Description Price Maximum Measurement Accuracy Resolution Vernier Imperial or Metric Finish Material Weight
RS Stock No. 123-0919
BrandRS PRO
SGD182.09
Each
units
150mm ±0.02 (100 mm) mm, ±0.03 (100 → 200mm) mm 0.01 mm - Both - Stainless Steel -
RS Stock No. 724-4064
BrandRS PRO
SGD50.14
Each
units
150mm - 1 mm, 1/32 in - Both - Stainless Steel, Steel 470g
RS Stock No. 724-4061
BrandRS PRO
SGD56.54
Each
units
150mm - 0.5 mm, 1 mm - Metric - Stainless Steel, Steel 470g
RS Stock No. 180-9461
BrandRS PRO
SGD273.73
Each
units
200mm ±0.001 mm 0.01 mm - Both - Stainless Steel -
RS Stock No. 146-5504
BrandRS PRO
SGD20.08
Each
units
150mm - - - Both - Stainless Steel 56g
RS Stock No. 136-8093
BrandRS PRO
SGD212.67
Each
units
150mm ±0.03 mm 0.0005 in, 0.01 mm - Both - Stainless Steel -
RS Stock No. 572-022
Mfr. Part No.329-350-10
BrandMitutoyo
SGD1,417.59
Each
units
150mm ±0.001 mm 0.01 mm - Both Chrome Stainless Steel 500g
RS Stock No. 734-185
Mfr. Part No.527-102
BrandMitutoyo
SGD332.40
Each
units
200mm ±0.03 mm 0.02 mm Yes Metric Micro Lapped Stainless Steel -
RS Stock No. 734-141
Mfr. Part No.571-211-30
BrandMitutoyo
SGD948.88
Each
units
150mm ±0.001 in 0.01 mm - Both Micro Lapped Stainless Steel -
RS Stock No. 724-3888
Mfr. Part No.527-101
BrandMitutoyo
SGD210.04
Each
units
150mm ±0.03 mm 0.02 mm Yes Metric Micro Lapped Stainless Steel 280g
RS Stock No. 734-191
Mfr. Part No.527-103
BrandMitutoyo
SGD470.77
Each
units
300mm ±0.04 mm 0.02 mm Yes Metric Hardened & Micro Lapped Stainless Steel 350g
RS Stock No. 734-157
Mfr. Part No.571-212-20
BrandMitutoyo
SGD802.61
Each
units
200mm ±0.001 in 0.01 mm - Both Micro Lapped Stainless Steel -
RS Stock No. 734-208
Mfr. Part No.900370
BrandMitutoyo
SGD92.56
Each
units
304mm - - - Metric - Stainless Steel 190g