Oxigraf's unique hardware and firmware technology controls the laser diode and gas sample temperatures, scans and integrates the oxygen absorption, removes laser noise, measures the gas sample pressure, and computes the oxygen concentration. Oxigraf expertise relates to the design, assembly, burn-in, and test of laser diode, optical, gas sensor, and gas sampling assemblies. Eight key patents covering the laser gas sensor technology are licensed to Oxigraf.
Responds in tenths of a second compared to tens of seconds.
Has no cross sensitivity to other gases.
Corrects automatically for changes in gas pressure or temperature.
Measures quickly over a dynamic range from 100 ppm to 100%.
Has a very long life and requires no periodic replacement or service.