Ensure that processes are not stopped because the carrier stack was depleted with Balluff's leading edge technology sensors. Balluff capacitive sensors and micro-optic MICROmote photoelectric sensors reliably monitor stack heights regardless of material, color, surface, or transparency. Capacitive sensors inherently detect any object regardless of material composition in close proximity. Micro-optic photoelectric sensors with miniature housings can be mounted in space limited areas. The remote amplifiers available for both sensing technologies allow for remote setup, multi-functionality, and visual feedback of what the sensor is seeing.