Sensor
Agastransducerwithinaprotectiveenclosure:sensorsmaybesafeorhazardousareamounted,
and may also include some driving, interfacing, biasing or signal conditioning circuitry.
Transmitter
Aelddevicethatislocallyconnectedtoagassensingtransducerthattranslatestherawsensor
outputintoauserusefulform,e.g.adisplay,4-20mAordigitaloutput.
UEL
Upper Explosive Limit.
%VO
L
Concentration of explosive gas, measured in percentage by volume.
%V/V
Another way of representing %VOL
APPENDIX D - GLOSSARY