Honeywell Searchline Excel - B.3 ABBREVIATIONS

102
MAN0530 Issue 10 - 11/09 Searchline Excel
2104M0506
An open path alarm set at 1 LEL.m would be triggered by any of the situations shown below:
100% 50% 10%LEL
LEL LEL
1m 2m 10m
LEL.mmonitoringisparticularlybenecialwhiletheExcelgasdetectorisprotectingtheperimeter
of a plant or process, often reducing the quantity of point detectors required. The open path
LEL.m system has the ability to detect leaks that point detectors may miss due to prevailing
or changing wind directions, and can provide early warning of a dilute gas cloud when point
detectors may not register any gas presence.
B.3 ABBREVIATIONS
ATEX European Hazadous Area Approval
CSA
Canadian Standards Association
DSP Digital Signal Processor
EMC Electro-Magnetic Compatibility
IAA Instrument Assisted Alignment
IECEx International Hazadous Area Approval
IP Ingress Protection
IR Infrared
IS Intrinsically Safe
FM Factory Mutual
LEL Lower Explosive Limit
LR Long Range
MR Medium Range
NPT National Pipe Thread
RFI Radio Frequency Interference
SHC Sieger Handheld Calibrator
SR Short Range
UL Underwriters Laboratories
APPENDIX B - GLOSSARY