PureAire Monitoring Systems, Inc.
10/25/07
6
1.1.2 Overall
Explosion-Proof Housing
— Meets requirements for installation in Class 1,
Group B, C, and D and Class 2, Group E, F, and G hazardous areas. Magnetic
keypad permits calibration without declassifying area.
Front Panel
— Incorporates local digital display, magnetic keys, etc. See 1.1.1
above for front panel component details.
Sensor / Sensor Cover
— Renewable, plug-in electrochemical sensor with
threaded cover.
1.1.3 Gas Sensor
LEL Sensor
— This is a disposable cell that has an operational life of
approximately 4 to 5 years.
IMPORTANT: Be sure to classify the area as non-hazardous prior to
Opening the ST-46A or any other electronic
enclosures.
