A highly automated assembly line and two custom complementary-MOS very large-scale integrated circuits figure in their maket’s game plan for the 70 series hand-hold digital multi-meters. With their aid, John Fluke Manufacturing Co. hopes to take abigger bite out of the $7 billion test and measurement market and stem the tide of low-cost imports from the far East. The compact, rugged,3 ½-digit instruments offer the high quality expected from Fluke for as little as $85, with the top of the line going for as little as $129