DIATEST - Split Ball Probe

Operating range: 

• Standard split-ball probe in hard chrome: Ø 0.47 – 41.1 mm 

• Standard split-ball probe with carbide contacts: Ø 1.5 – 41.1 mm (for heavy wear conditions)

• Standard split-ball probe with ceramic contacts: Ø 3.7 – 41.1 mm (for soft materials like aluminium etc.) 

• Blind bore split-ball probe: Ø1.5 – 41.1 mm (for gauging close to bottom of bore) 

• 3-point split-ball probe : Ø 4.75 – 150,6 mm (gauging of polygon-shaped workpieces) 

• T-probes: Ø 2.05 – 9.8 mm (for gauging deep bores with Ø smaller than 8.2 mm) 

Measuring range: 

• 0.06 mm up to 2.2 mm (according to size of probe) 

Accuracies: 

• Repeatability (standard split-ball probes): Manual gauging c. 1 μm, Stationary gauging in stand < 0,5 μm 

• Linearity (standard split-ball probes): Size 0.5 – 1.50 max. 2% of travel, min. 0.001 mm Size 1.75 – 40 max. 1% Size 1.75 – 40 max. 1% of travel, min. 0.001 mm 

• Calibration with setting ring 

Measuring depth:

• Up to Ø 4.2 max. 750 mm (T-probes with TV2/TV2,5) 

• Ø > 4.2 – 8.3 max. 1000 mm (T-probes with TV4) 

• Ø > 8.3 – 41.1 several metres (standard split-ball probes with TV8) 

Contact points: 

• Standard version in hard chrome, different materials like carbide, ceramic (depending on size). 

• Special shapes for blind bores, parallel distances (grooves)

• Special shapes on request

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