The 9000 digital audiometer is a perfect fit to go to different places where diagnoses of hearing capacities have to be done. In spite of its lightweight and small volume, it is a product which is truly performant : Range of 11 frequencies, variable from 125 up to 8000 Hz (+/- 1%) Adjustable intensity from – 10 dB up to 100 dB with 5 dB increments Self running, powered with a battery Display on one large and easy to read LCD screen of frequency and intensity selected, sound delivery and battery charge level indications Manual controls with silent keys Automatic switch off if no operating during 3 minutes Approved CE 0459 according to the European Directive Delivered into a carrying case including : Highly isolated headphones Battery Accessories and manual for use