DM Thread-Mount Differential Micrometer Heads

The DM differential micrometers provide sub-micron positioning capabilities and up to 25 mm coarse travel in a single device. They employ the same mounting bezel as our standard BM micrometer heads, so they may be used to upgrade stages and mounts for improvement in resolution.

0.1 µm sensitivity differential micrometer
Direct upgrade for BM Series micrometers
Large selection of sizes and travel ranges

See All Features

Description	Compatibility	Price
BD17.04 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 4.3 mm Coarse, 0.3 mm Fine, 11 lb. Load	UNIVERSAL	$425
DM11-16 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 16.1 mm Coarse, 0.1 mm Fine, 6.6 lb. Load	UNIVERSAL	$530
DM11-25 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 25.1 mm Coarse, 0.1 mm Fine, 6.6 lb. Load	UNIVERSAL	$555
DM11-5 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 5.1 mm Coarse, 0.1 mm Fine, 6.6 lb. Load	UNIVERSAL	$425
DM17-25 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 25.1 mm Coarse, 0.1 mm Fine, 11 lb. Load	UNIVERSAL	$781
DM17-4 DM Thread-Mount Differential Micrometer HeadsDifferential Micrometer Head, 4.1 mm Coarse, 0.1 mm Fine, 11 lb. Load	UNIVERSAL	$594

Specifications

DM Series Micrometers

Features

Highly Sensitive Differential Micrometer

The DM series differential micrometers provide ultra-fine, sub-micron positioning capabilities and coarse, long travel adjustments in a single device. In essence, the DM series micrometers are standard micrometers with a 0.05 mm pitch high-resolution micrometer built around it. Coarse positioning, provided by the control knob at the end enables rapid translation with a sensitivity of 1 μm. Then, by using the fine adjustment knob closest to the positioner, the position can be further optimized with a sensitivity of 0.1 μm over a limited travel range.