Limit switches are popular for presence sensing in industrial controls. Metrol miniature limit switches offer incredible precision with repeatability down to 0.5 microns. With a service life of up to three million cycles, these precision switches are perfect for robotic and machine tool applications. Their small sizes (down to 4mm barrel) accommodate very tight mounting spaces.
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4mm Diameter BP4SWA
Precision Limit Switch
Traditional limit switches and even electronic proximity sensors are limited in terms of accuracy and repeatability. These cost-effective, ultra precise mechanical limit switches have repeatability down to 10, 5, 3, and even 0.5 microns (µm) depending on the specific model. That's 1/2000th of a millimeter. For scale: a piece of paper is typically 70-180 µm and a human hair is typically 50-60 µm wide.
Along with their high precision these limit switches are also some of the smallest switches/sensors available. Their tiny size allows them to be mounted in extremely tight locations. With a 4mm diameter barrel and length of only 12.8 mm; model BP4SWA is the smallest precision limit switch on the market
Prices start at
$43.00
(BP060A-L)
3 micron precision touch limit switches start at
$61.00
(PT5M3WA)
5 micron precision touch limit switches start at
$45.50
(CSJ055A-L)
90-Degree straight touch limit switches start at
$50.00
(CSJ055A-LR)
Sliding angled limit switches start at
$65.00
(CSH121A-AL)
0.5 micron high precision limit switches start at
$125.00
(P085DB-AL)
10 micron ball plunger limit switches start at
$43.00
(BP060A-L)
10 micron high temperature limit switches start at
$181.00
(HT-BP060A)
High vacuum resistance limit switches are
$197.00
(GN-PT5M3A)
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