MPL-500 Series pressure switches are miniature, adjustable sensors with activation settings from as low as hundredths of an in. of water up to 550 in. of water (20 psig). Sensitivity and reliability make the switches suitable for demanding applications where low pressure to electric interfaces are required, the company says. MPL sensors are in use in hvac, appliance, and other applications.

Micro Pneumatic Logic, Inc., 555 S.W. 12th Ave., Suite 204, Pompano Beach, FL 33069; 888-386-4270 or 954-788-3611; 954-788-9958 (fax); (e-mail); (Web site).