Metrol low contact-force precision limit switches are available with a with 5 or 10 micron repeat accuracy and an ultra-sensitive contact force of only 0.1 Newtons. The service life of 10 million cycles makes these stainless-steel housed precision switches perfect for robotic and machine tool applications requiring extra sensitivity.
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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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