Mega ax315 low profile steel pressure pad uv exposure unit mega electronics ax315 p the mega ax315 is a high quality pressure pad uv exposure unit featuring an advanced electronic timer and an attractive low profile steel case the 0 to 500 second timer is controlled from a touch membrane control panel with a digital display that shows the time in one second intervals p p operation is very easy set the time close the lid and press the start button p p during exposure the time counts