The device has a 4.5 to 28-V single power supply, ±45° sensing range, and unidirectional and bidirectional open-collector outputs. The field-settable switch avoids the wide hysteresis errors caused by temperature in most mercury and gravity-ball switches.

The Fredericks Co., 2400 Philmont Ave., Huntingdon Valley, PA 19006, (215) 947-2500, frederickscom.com