RKI Instruments, Inc.

http://www.rkiinstruments.com/

A complete range of portable and fixed gas detection products used worldwide to protect personnel and plants against gas hazards.

HNU/PID Analyzers

http://www.hnu.com/

HNU/PID Analyzers IR and PID based detectors, electro-chemical gas detectors for applications such as diesel fume detection, VOC monitoring, BTX monitoring, etc.