iii
GasAlertQuattro
User Manual
Title
Page
STEL Alarm.................................................................................................................................................................... 34
Correction Factor (LEL) ................................................................................................................................................. 34
STEL Interval ................................................................................................................................................................. 34
TWA Period (hours) ....................................................................................................................................................... 35
TWA Method .................................................................................................................................................................. 35
50% LEL = (%CH4)........................................................................................................................................................ 35
Auto Zero on Startup...................................................................................................................................................... 35
LEL by Volume CH4 ...................................................................................................................................................... 35
10% LEL (of reading) Over-span ................................................................................................................................... 36
20.8 Base Reading ........................................................................................................................................................ 36
Low Alarm Acknowledge................................................................................................................................................ 36
Viewing and Clearing Gas Exposures ........................................................................................................................... 42
Gas Alarm Setpoints ...................................................................................................................................................... 44
Sample Gas Alarm Setpoints......................................................................................................................................... 44
Guidelines ...................................................................................................................................................................... 48
Connecting the Gas Cylinder to the Detector ................................................................................................................ 49
Calibration Procedures .................................................................................................................................................. 50
Single Gas Calibration .............................................................................................................................................. 50
Quad Gas Calibration ............................................................................................................................................... 50
Zero Sensor .............................................................................................................................................................. 52