Automatic calibration method for carbon monoxide monitors

Details Automatic calibration method for carbon monoxide monitors Automatic calibration method for carbon monoxide monitors

1995-06-07

1997-08-19

Williams, Hezron E.

Measuring and testing

Instrument proving or calibrating

Gas or liquid analyzer

36457104, 36457105, 73 107, G01N 122

Patent

active

056591250

ABSTRACT:
A method and apparatus to automatically calibrate a carbon monoxide detector placed in an environment having a known concentration of carbon monoxide. The monitor is placed in a calibration mode in which it reads the output signal from the sensor and normalizes the output signal to a convenient scale. The normalized reading is used to compute a calibration coefficient. The calibration coefficient is stored in a non-volatile memory integrated with the carbon monoxide monitor.

REFERENCES:
patent: 4151738 (1979-05-01), Hyer et al.
patent: 4348732 (1982-09-01), Kreft
patent: 4481804 (1984-11-01), Eberhard et al.
patent: 4489592 (1984-12-01), Pacanowski et al.
patent: 5060505 (1991-10-01), Tury et al.

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