Rosemount 935 Open Path Gas Detector

The Rosemount 935 is an advanced open-path gas detector designed to quickly and reliably detect combustible hydrocarbon gases at up to 660 ft. (200 m)

Features and benefits 

■ One person installation and low maintenance 

■ Factory-calibrated ■ Built-in self-test continuously monitoring device health 

■ Accurate and reliable high-speed response in under 2 seconds 

■ RTC event recorder; record of the last 375 events 

■ Automatic gain control ensures accurate detection in challenging conditions with up to 95 percent signal obscuration 

■ Three-year warranty 

■ High false alarm immunity 

■ Heated optics for operation in challenging conditions 

■ Easy to use, field configurable via HART® or RS-485 Modbus® 

■ High reliability — Mean Time Between Failures (MTBF) — above 100,000 hours

Download a datasheet