Engineered Systems & Deigns has been manufacturing instruments  for 45 years.  Over the years we have  manufactured pH, conductivity, oxygen, turbidity, and x-ray calibration instruments.  Regardless of how old the instrument is, we will repair and calibrate it if we can still get the parts.

Call or email us for information on your instrument.

esd@esdinc.com

T: 1-302-456-0446