Tesatast Horizontal Metric Test Indicator

Tesatast metric test indicator with a yelow dial.
Supplied with 8mm diameter dovetail extension and case. This is the perfect metric replacement for popular BesTest indicators.

Professional repair service is available from Long Island Indicator Service.
The ideal test indicator when working in a metric environment. Many of the Tesatast models are unavailable in the U.S. but, if you find them, they are worth the investment.

High Quality Swiss test indicators with metric attachments. For all intents and purposes, the Swiss-made Tesatast indicator is identical to Bestest, Swisstast, and Roctest. All parts are interchangeable, including contact points.

What is the difference between Tesatast and BesTest?

They are both made by the same manufacturer (TESA) and only the dials and certain accessories differ. Most significantly, Tesatast indicators come with a metric 8mm diameter dovetail extension attachment, while Bestest is supplied with 1/4" diameter extensions. You will also find Tesatast has several configurations, particularly those with long contact points (1.5"), which are not available in the Bestest models. Conversely, if you don't find the configuration you need here, be sure to look at the Bestest models. All the necessary accessories and contact points are available.

Accuracy of the Tesatast models:

* 0.01 mm ± 0.01 mm
* 0.002 mm ± 0.002 mm

Certificate of Accuracy is provided without test data. The certificate guarantees the accuracy as shown above. If you need full certification, you will have to send the indicator to a calibration lab.

Graduations Range Dial Ø Contact Point TESA No. US$
0,01 mm 0,8 mm 28 mm 12,5 mm 18.10005 inquire
0,01 mm 0,8 mm 38 mm 12,5 mm 18.10006 inquire
0,002 mm 0,2 mm 28 mm 12,5 mm 18.10009 inquire
0,002 mm 0,2 mm 38 mm 12,5 mm 18.10010 inquire
0,01 mm 0,5 mm 28 mm 36,5 mm 18.10007 inquire
0,01 mm 0,5 mm 38 mm 36,5 mm 18.10008 inquire

Tesatast Vertical Test Indicator

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Supplied with 8mm diameter dovetail extension and case. This is the perfect metric replacement for popular BesTest indicators.

Accuracy of the Tesatast models:

  • 0.01 mm ± 0.01 mm
  • 0.002 mm ± 0.002 mm

Certificate of Accuracy is provided without test data. The certificate guarantees the accuracy as shown above. If you need full certification, you will have to send the indicator to a calibration lab.

Note: Tesatast indicators are not always in stock in the U.S. You may have to expect 4-6 weeks for delivery in some cases.

Professional repair service is available from Long Island Indicator Service.
There are many rip-off models imitating Swiss indicators online. You can always tell by the low prices. If you want the real thing, make sure the TesaTast name is on the dial. We will only sell you the genuine article, guaranteed.
Graduations Range Dial Ø Contact Point TESA No. US$
.0005" .030" 1" .5" 18.20204 inquire
.0005" .020" 1.5" 1.5" 18.20205 inquire
0,01 mm 0,8 mm 28 mm 12,5 mm 18.10204 inquire
0,01 mm 0,5 mm 28 mm 36,5 mm 18.10205 inquire
0,002 mm 0,2 mm 38 mm 12,5 mm 18.10304 inquire

Tesatast Parallel Test Indicator

Parallel style metric Tesatast indicator

Metric indicators sold in the U.S. have yellow dials by convention.

Parallel style Tesatast models have dials mounted on the side of the body. There are 3 separate dovetails along the edges of the body as shown in the photo.

Supplied with 8mm diameter dovetail extension and case. This is the perfect metric replacement for popular BesTest indicators.

Accuracy of the Tesatast models:
  • 0.01 mm ± 0.01 mm
  • 0.002 mm ± 0.002 mm

Certificate of Accuracy is provided without test data. The certificate guarantees the accuracy as shown above. If you need full certification, you will have to send the indicator to a calibration lab.

Supplied with 8mm diameter dovetail extension and case. This is the perfect metric replacement for popular BesTest indicators.

Professional repair service is available from Long Island Indicator Service.
Graduations Range Dial Ø Contact Point TESA No. US$
.0005" .030" 1.0" .5" 18.20014 inquire
.001" .020" 1.5" 1.5" 18.20016 inquire
0,01 mm 0,8 mm 28 mm 12,5 mm 18.10011 inquire
0,02 mm 2 mm 38 mm 36,5 mm 18.10012 inquire
0,002 mm 0,2 mm 28 mm 12,5 mm 18.10013 inquire

Some very interesting questions

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Q: Could I order a new crystal for this indicator [shown above]? I know that it looks beat-up, but still works fine. If a new or used bezel is also available and not too expensive, please also tell me how much that would be?

  • It will not be possible to install a new crystal in a bezel which is no longer perfectly round. Replacing the bezel is not easy. Unfortunately it is time to send it to a repair shop.

Q: The machinist who is requesting this Tesatast indicator was wondering if there was any way to make it more oil resistant. That seems to be the main issue with many of our indicators and due to the cost of this indicator it would help extend its life.

  • None of the test indicators are immune to oil or liquid contamination. Although not as much of a problem if the oil sprays from above, it can quite obviously enter the body near the contact point. Some people have experimented with plexiglass shields. Perhaps this is something you can look into.
More About Test Indicators

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