Acoustic Life Detector (Sanjeevani) The technology is used to detect and save human beings trapped under the debris of collapsed buildings due to earth quake or land slide. This equipment is based on highly air sensitive acoustic sensor and audio signal processing to clearly listen to the victim's low frequency sound from below the debris. The sensors and related equipment are hermetically sealed and hence it can be used in wet or raining environment after a calamity.
The systems is designed to have high reliability and for continuous field use in any environment (-10 deg to +45 deg).
The overall weight of the system (all sub assemblies) is less than 1.5 kg and can be easily packed within the bag and plastic casing provided.
The acoustic sensor is designed for higher sensitivity (up to -170 dB) to detect low frequency acoustic signals like hitting, tapping, scratching or moaning sounds made by the victims.
The sensor can detect victim's sound who are trapped about probe distance of 6 to 8 m below the debris.
Earth quake response forces
Local district administration
Police and fire service department
This device is equipped with a highly sensitive acoustic sensor that can pick up very low sound signals like moaning, tapping and scratching made by the persons trapped under the debris.