FORENSICS DETECTORS FD-90A-O2 Single Gas Detector User Manual
This user manual is for the FD-90A-O2 Single Gas Detector by FORENSICS DETECTORS. Learn about its operation, calibration, and menu options. Keep the detector away from magnetic interference, dust, and extreme concentrations that may poison the sensor. Calibrate at least every 6 months for accuracy. Bump test before use. Seek medical help if unwell.