Monthly Archives:April 2019

Pump Controller – State of the Art

Written by JD Cattel, the President of Digital Control Company. Pump controllers come in two main forms. The first consists of the various “off the shelf” proprietary controllers with imbedded software. The second form consists of various off the shelf (and equally proprietary) programmable logic controllers (PLC’s). Despite the fact that PLC’s have progressed over […]

The Pump Control Box

Written by JD Cattel, the President of Digital Control Company. The term “pump control box” is one of the many euphemisms used to describe the device or devices which control the level in a municipal lift station or the downstream pressure in a liquid pumping system.  This term, pump control box, has gained some popularity […]

Municipal Lift Station Level Monitoring

Written by JD Cattel, the President of Digital Control Company. There are many methods to measure the level in a municipal lift station. Some of these devices are bubblers, submersible transducers, ultrasonics, radar, floats, capacitive tapes, and so on. All of the technologies have been used with varying degrees of success. Digital Control Company has […]

A Level Playing Field

Written by JD Cattel, the President of Digital Control Company. Tom Friedman wrote a book called The World is Flat. It may be, but it is not level. Or in engineering china_mapparlance, it is not tangent to the radius of the sphere. Currently, the Chinese (as well as many other nations) enjoy a labor cost […]

A Level Playing Field

Written by JD Cattel, the President of Digital Control Company. Tom Friedman wrote a book called The World is Flat. It may be, but it is not level. Or in engineering china_mapparlance, it is not tangent to the radius of the sphere. Currently, the Chinese (as well as many other nations) enjoy a labor cost […]