Underwriters Laboratories

ANSI/UL 2075

Gas and Vapor Detectors and Sensors

Covers gas and vapor detectors and sensors intended to be employed in indoor and outdoor “unclassified”  locations in accordance with the national electrical code.

For devices intended to be connect to an emergency alarm system control unit, which is used to generate a system alarm signal upon sensing an unacceptable concentration of a particular vapor or gas, such as hydrogen.

The performance tests in UL 2075 are used to help determine the reliable performance of the product. This portion of the certification program generally includes the following:

1.       1.  False signaling due to environmental conditioning tests,

2.       2.  Mechanical abuse tests, and

3.       3.  Various electrical tests for general performance.