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Class 1 or Class 2 Sound Level Meters. Ideal for basic noise level assessments, emergency service alarm testing, sound system installation and vehicle noise measurement. Complies with IEC 61672-1:2013, IEC 60651:2001, IEC 60804:2000, IEC 61252:1993. Optional add-ons available include: Data Logging, Octave Bands and Audio Note recording. Includes a free calibration certificate and one year warranty (extendable to 7 years with annual servicing). Description: Occupational noise measurement at its best. The Model 41 Nova Sound Level Meter (Class 1) and Model 42 Sound Level Meter (Class 2) are the ideal choice where basic noise data such as Sound Level Pressure (SPL) or Time and Frequency Weightings are all that is needed (where integrated noise levels, such as Leq and Peak are not required). This is an ideal range of instruments to ensure compliance with International Occupational Noise or Industrial Hygiene Noise Directives to be used as part of ... ** Ask for a quote **

The hands-free system allows you to open any door without having to press a button. Up to 28 doors can be opened independently. When you enter into the activation range of the Free15r/30r/50r antenna with the FreeT/TH tag, the antenna activates the tag which sends a radio signal to the chosen receiver that can reach up to 100 metres. ​ It is very simple to install as radio signals are used, so no wiring is required! The ranges of action of the antennas can go up to 5 metres, depending on the model.