Combustible Gas, Toxic Gas, Oxygen Deficiency. Sierra Monitor fixed gas detectors and flame detectors are used in industrial markets around the world. Gas detection products range from basic go/no-go gas alarm monitors to complete plant-wide hazardous gas detection systems utilizing digital RS-485 communications between the sensor and controller and multiple protocols enabling interface to existing distributed control systems and PLCs.




![Armstrong High Res [Converted] Logo](https://nesentrol.com/wp-content/uploads/2023/07/Armstrong-High-Res-Converted-Logo-300x197.png)
























