The archive of all product documentation for the 2B Tech Model 401 NO2 Converter

NOTICE: We no longer manufacture the Model 401 NO2 Converter. Please refer to our Model 405nm NO2/NO/NOx Monitor for simultaneous measurement of NO, NO2, and NOx.

Operation Manual

Model 401 NO2 Converter, Rev. D

Model 401 NO2 Converter, Rev. E

Model 401 NO2 Converter, Rev. F


Model 401 NO2 Converter Drawings


Model 401 NO2 Converter

Relevant Tech Notes

TN #Title
024Power Requirements for the Model 410 or 400 NO Monitors in Combination with the Model 401 NO2 Converter when Using a Battery Supply
039Programming of Campbell Scientific CR1000 Data Loggers to Allow Serial Communication with 2B Tech Analyzers