Measure high levels of nitrogen oxides in the air using chemiluminescence with the Thermo Scientific™ Model 42i-HL NO-NO2NOx Analyzer. The Model 42i-HL is a single chamber, single photomultiplier tube design that cycles between NO and NOx modes and can be operated continuously in either NO or NO x modes allowing for a response time of fewer than 5 seconds.
Discover the iQ to work smarter with our next-generation 42iQ High-Level NO-NO2-NOx Analyzer.
Standard single, dual, and auto ranges
Linearity through all ranges
Independent NO-NO2-NOx ranges
Replaceable NO2 converter cartridge
Ethernet connectivity for efficient remote access
Enhanced user interface with one-button programming and large display screen
Flash memory for increased data storage and user-downloadable software