Teledyne API, a business unit of Teledyne Technologies Incorporated​ (NYSE:TDY), is a global market leader in air quality and process gas monitoring instrumentation headquartered in San Diego, California, USA.​​

N Series Instruments​

N901​ ​​THC-CH₄-NMHC Analyzer​​

N500 CAPS True NO₂-NO_X-NO Analyzer​

T640 PM Mass Monitor​

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