Ultra1000 Wireless Detectors
(Battery Operated)
Rev 2
Page 15
Recommended Calibration Gas for Target Sensor
Target Gas
Recommended Calibration gas
Hydrogen Sulfide
50 ppm H2S Balanced in Air
Carbon Monoxide
50 ppm CO balanced in Air
Sulfur Dioxide
25 ppm SO2 Balanced in Air
Oxygen Deficiency
Pure Nitrogen (for zeroing)
Combustible ( LEL)
50% LEL (2.5% Methane in air)
Figure 5. Applying Calibration gas to sensor