Our Story

Modulus Data Systems was founded in 1972 in the heart of the Silicon Valley and became a pioneer in digitizing hospital laboratories.

For decades, Modulus has set the gold standard for manual differential cell counters throughout the world. Our customers know that the Modulus name is not only synonymous with quality, but also with experience, support and dependability.

Our end-users rely on our DIFFCOUNT line of products in all types of clinical and veterinary labs around the world.

Our DIFFCOUNT differential cell counters are now in their fourth generation. And today, our technology marries years of experience with the most flexible and modern designs.