(03210904) GT21-I Messtaster by Tesa
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The GT21-I Messtaster, part number 03210904, is a precision axial measuring probe designed for rigorous metrology applications conforming to the DIN 32876 standard. This instrument provides a measuring range of plus or minus 1 mm with a total bolt travel of 4.3 mm, featuring mechanical bolt retraction for operational control. Built for high-precision dimensional verification, it delivers an exceptional repeatability of 0.00001 mm and a hysteresis of 0.00002 mm, while accuracy is determined by the formula 0.2 plus 3 times L cubed micrometers, where L represents length in millimeters. The unit operates with a measuring force of 0.63 N and includes a 3 mm tungsten carbide ball insert. Designed for industrial integration, the probe features an axial 2-meter cable connection, a nitrile sealing bellow, and achieves an IP65 protection rating against dust and moisture.
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Characteristics
| Manufacturer | Tesa |
|---|---|
| Part number | (03210904) GT21-I |
| Inner Code | 561974 |
| Custom Code | 90318080 |
Technical specification
| Product type | axial probe messtaster |
|---|---|
| Measuring range | ± 1mm |
| Measuring force | 0.63N |
| Bolt travel | 4.3mm |
| Bolt retraction | Mechanical |
| Repeatability | 0.00001mm |
| Hysteresis | 0.00002mm |
| Accuracy | 0.2 + 3 x L x L x L µm |
| Ball insert | Tungsten carbide Ø 3mm |
| Cable | 2m, Axial |
| Sealing bellow | Nitrile |
| IP Rating | IP65 |
| Standard | DIN 32876 |