OPGD - What does OPGD stand for? The Free Dictionary
References in periodicals archive
Additionally, the ELDS 2000 Series OPGD
is the first fixed gas detector able to monitor both methane and hydrogen sulfide in a single unit simultaneously with discrete output communication.
offers SenseLine ELDS OPGD
(open path gas detection), a gas-detection system employing its patented Enhanced Laser Diode Spectroscopy (ELDS[TM]) technology.