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Micrometer Drives, 1" (25 mm)
The PT1 translation stage includes a 150-811ST micrometer, which does not feature a hex on the end.
The 150-811ST and 150-811ST-H micrometers provide a travel range of 1.000" and feature engraved graduations every 0.001", while the 150-801ME and 150-801ME-H micrometers provide a travel range of 25.00 mm with 10 µm spacing between graduations. Item numbers ending in -H incorporate a 5/64" (2.0 mm) hex on the micrometer knob to enable actuation in space-constrained environments.
The spherical spindle tip provides a single point of contact, which minimizes positioning alignment errors. The 150-811ST and 150-801ME micrometers are included with Thorlabs’ PT1 and PT1/M translation stages, respectively. Please contact Tech Support for information on integrating these micrometers into other items.