Manufacturer of Line of Sight Infa-red Gas Detectors such as the GD4001 and GD4014. Now obsolete, the company was taken over by Draegar who manufacter a replacement model - GD60. These items are I.S. 4 - 20mA and do not have heated optics, therefore they are not reccomended for offshore installations.
PLMS
Definition
Precision Light Measurement Source
plms means Precision Light Measurement Source. Manufacturer of Line of Sight Infa-red Gas Detectors such as the GD4001 and GD4014. Now obsolete, the company was taken over by Draegar who manufacter a replacement model…
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