Leak detection systems - Part 4: Requirements and test/assessment methods for sensor-based leak detection systems

This document gives requirements and the corresponding test/assessment methods applicable to sensor-based leak detection systems (leak detectors) for liquids and/or for gases. The leak detectors are intended to be used in interstitial spaces, leakage containments or monitoring wells. The leak detectors are usually composed of: - sensing device(s); - evaluation device; - alarm device.