| Year | Detail |
| 1980 |
Custom Sensors & Technology was founded in 1980 in a garage in suburban St. Louis and started producing the first integrated system that measured NO, NO2, and NOX. The ['nitrogen oxides were products of combustion reactions in the system’s controlled oven and heated sample lines. |
| 1981 |
The company developed the Attenuated Total Reflectance (ATR) probe to measure the concentration of highly absorbent liquids. |
| 1987 |
The company registered its first patent, Patent 4637730, “Optical and Electronically Compared Absorptiometer.” |
| 1995 |
The company developed Optical Interface Couplers (OICs) that had to be inserted into low-volume cross-flow cells and connected to analyzers via fiber optic cables. |
| 2003 |
The company launched the PT-100 Photometric Transceiver as a smaller, more cost-effective alternative to the Absorbance Photo-X line. |
| 2015 |
Sensata Technologies Holding N.V. acquired Custom Sensors & Technologies, Inc.'s sensing portfolio for $1.0 billion. The acquisition includes the Kavlico, BEI, Crydom, and Newall product lines and brands and sales, engineering, and manufacturing sites in the U.S., the U.K., Germany, France, China, and Mexico. |
| 2018 |
The company launched PX2+ housed in a waterproof NEMA4X enclosure with a 3.2″ capacitive touch LCD. That allowed users to view data and calibrate directly on the unit. |