GasAlertMaxXT II Calibration

Calibration

• To enter calibration mode
  • Hold button for 7 seconds
    • Unit will zero taking in fresh air
  • Prompts for calibration
    • Apply 2.5% CH4, 25ppm H2S, 100ppm CO and 18% oxygen
• Monitors performs sensor test during calibration
  • If sensor does not respond fast enough it will fail at end of calibration
• Please note O2 sensor is also calibrated with this monitor