The ES-642 is supplied in a rugged weatherproof enclosure. It includes an LCD display to provide information about particulate concentration, flow rate, instrument status and power. The electronics and optical system are protected from moisture by a built-in intake heater that is humidity level controlled, and the heater power is regulated to maintain a minimum humidity level.
Additional features include a purge air system and an automatic zero calibration routine. The sensor can be wall mounted or installed on a vertical mast up to 3 inches in diameter. The ES-642 is supplied with a 10 ft cable and connector for power (15 to 40 VDC) and signal output.
- Automatic zero calibration
- Controlled input heater
- Easily removable filter
- Contact closure alarm output
- Front panel LCD Display
- Sealed environmental enclosure.