
Noise measuring sensor for Smart Cities

The TA120 sensor combines the precision of a Class 1 sound level meter, maximum protection of an outdoor kit and full connectivity with open source platforms.
Main Features
Precision and reliability
The TA120 sensor measures, according to IEC 61672-1 class 1, the equivalent continuous sound level with A frequency weighting in a single range of 35-120 dBA.
The integration time is configurable between 10 s and 60 min and the measurement is continuous 24 hours / 7 days a week. The TA120 can be checked quickly with an acoustic calibrator (IEC 60942).
Fully integrated into the urban landscape
The TA120 is very easy to install on street lights, marquees, billboards, shelters, kiosks and advertising posts and requires minimum annual maintenance.
The TA120 is powered through the mains, POE, 12 VDC voltage or through the urban lightning network with battery backup. The BA120 battery guarantees the sufficient duration and charging time to complete annual cycles.
Maximum protection
The outdoor kit of the TA120 sensor allows respecting Class 1 measurement precision, to achieve a high protection against external agents such as wind, rain, birds and insects; reaching IP65 according to IEC 60529.
The TA120 ensures proper acoustic performance at temperatures between -10 and +50° C. The materials used in the manufacture of TA120 ensure a long life cycle of the sensor.
Connectivity with IoT platforms
The TA120 sensor is fully integrated into different platform connectivity sensors as Sentilo, Telefonica, SmartyPlanet, etc. The communication can be performed through:
The TA120 uses HTTP (Hyper Text Transfer Protocol) with UL2.0 (UltraLight 2.0) format, JSON (Java Script Object Notation) format, or Other (consult).
Supported Platforms
Sentilo
Sentilo is an open source sensor and actuator platform designed to fit in the Smart City architecture of any city who looks for openness and easy interoperability. It’s built, used, and supported by an active and diverse community of cities and companies that believe that using open standards and free software is the first smart decision a Smart City should take.
Telefonica
A Smart City is an environment that involves many technologies and multiple agents: from sensors scattered throughout the whole city (to collect any kind of data: traffic, water, energy) to the mobile devices of the citizens; from mayors to traders. All this data must be managed by a platform that centralises and processes it.
SmartyPlanet
It is an online and real time solution for the city specifically designed to view, manage and share data obtained through wireless sensors. It provides an easy navigation and without complications without loosing reliability and professionalism.
Standards and certificates
Table of standards
| IEC 60529:2013 | IP65 protection degree |
| CE |
Complies with 73/23/CEE and CEM 89/336/CEE low-tension regulations, the latter amended by 93/68/CEE. |
Communication Options

MR120
Module for data transmission 3G/GPRS

WF120
Module for data transmission Wi-Fi
Optional accessories

BA120
Internal lithium battery for day-time operation with urban lightning network
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