Description
Product Overview
The Tesa Tesatast is a Swiss-made dial test indicator built to 0.002 mm graduation — that’s 2 microns per division, putting it firmly in the realm of toolroom-grade metrology. Whether you’re setting up a surface grinder, checking spindle runout on a precision lathe, or tramming a rotary table, this is the indicator that tells you the truth. Compact lever-style format with a yellow-faced dial makes reading fast and unambiguous under shop lighting.
- 0.002 mm (2 micron) graduation — At this resolution, you’re not just checking “close enough”; you’re resolving errors that would be invisible on a standard 0.01 mm indicator. Critical for fine grinding passes, bearing fits, and precision spindle work where a thou is too coarse.
- Lever-style (test indicator) format — Unlike a plunger-type dial gauge, the lever action allows the stylus to be presented at angles, making it far more versatile for reaching into bores, checking faces close to fixtures, and tramming in confined setups without shifting your mag base.
- Swiss manufacture to DIN/ISO metrology standards — Tesa instruments are built to traceable accuracy standards. The included conformity certificate confirms this unit has been verified against specification, giving you confidence in the readings straight out of the box.
- Accessory fitment — Includes the dovetail clamp arm visible in the photograph, along with the slotted disc accessory for alternative mounting orientations. Fits standard Ø8 mm and Ø4 mm dovetail holders commonly used with Noga, Mitutoyo, and similar indicator arms.
- Ideal for — Surface grinder table and wheel head runout checks, precision lathe spindle and chuck face runout, tramming rotary tables and sine plates, four-jaw chuck centring to micron-level tolerance, CMM fixture verification, and toolroom gauge calibration work.
Condition
Used (Like New / Minimal Use, Full Documentation Present)
Mechanically, this indicator presents extremely well. The yellow dial face is clean and unmarked, graduation lines are crisp, and the needle action is smooth and snappy — no stiction, sluggishness, or lost motion detectable. The dovetail clamp and slotted disc accessory show no meaningful wear. The conformity certificate (Tesatast No. 18.10009 – 18.10010 – 18.10304, signed by the quality control chief) is present and legible, confirming factory-verified performance to 0.002 mm specification. The instruction booklet and original paperwork are included and intact. The body and stem show at most the lightest handling marks consistent with careful bench use — no dings, no corrosion, no evidence of a drop or impact. As with any precision indicator returning to service, it is good practice to verify zero repeatability against a known flat reference and confirm stylus deflection linearity across the range before committing to critical work. This is standard toolroom discipline rather than a reflection of any fault found with this instrument.
Included
- 1 x Tesa Tesatast Dial Test Indicator — 0.002 mm graduation
- 1 x Dovetail clamp / stem mount assembly
- 1 x Slotted disc accessory (alternate mount)
- 1 x Original Tesa conformity / calibration certificate
- 1 x Original instruction booklet (multilingual — French, German, English)
- 1 x Original Tesa packaging / box
Not Included
- Magnetic indicator stand or arm (not included — use with any Noga, Kanetec, or equivalent holder)
- Setting master / calibration ring (not included — recommended for first-use verification)
Brand Information
Tesa SA, headquartered in Renens, Switzerland, has been manufacturing precision measuring instruments since 1941 and is one of the most respected names in European metrology. A subsidiary of the Hexagon Group, Tesa instruments are produced to Swiss toolroom standards and sit directly alongside Mahr and Sylvast in the upper tier of European gauge and indicator manufacture — comparable in precision and build quality to Mitutoyo’s premium Japanese lines and well above the general-purpose import market. Swiss country of origin is a genuine quality differentiator here: the movement tolerances, gear train finishing, and calibration traceability reflect a manufacturing culture where 0.001 mm actually means 0.001 mm.
Specifications
| Feature | Specification |
|---|---|
| Brand | Tesa SA |
| Model | Tesatast |
| Type | Dial Test Indicator (Lever Type) |
| Graduation / Resolution | 0.002 mm (2 microns per division) |
| Dial Face Colour | Yellow (high-contrast toolroom face) |
| Certificate Numbers | 18.10009 – 18.10010 – 18.10304 |
| Conformity Standard | Tesa Attestation de Conformité / Conformity Specification |
| Mount / Stem | Dovetail clamp (standard lever indicator dovetail fitting) |
| Construction | Metal body, precision gear train movement, hardened stylus |
| Country of Origin | Switzerland (CH-1020 Renens) |
| Condition | Used (Like New / Minimal Use) |
| Included Items | Indicator, dovetail clamp, slotted disc accessory, calibration certificate, instruction booklet, original packaging |
| Not Included | Indicator arm / magnetic stand, calibration setting master |
Keywords
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