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Stand-alone recorder covers a wide range of applications

Wed, 07/20/2011 - 6:55am
SQuadriga IISQuadriga II is the new mobile recording and playback system from HEAD acoustics GmbH that covers a wide range of applications. The measurement system delivers high functionality and mobility due to key features, such as low weight, integrated battery with an operating time of several hours and a variety of connection possibilities.

“SQuadriga II is characterized by its versatility”, declares Prof. Dr. Klaus Genuit, founder and owner of HEAD acoustics GmbH. ICP® microphones and acceleration sensors, a binaural BHS I headset, pulse and CAN sensors, an artificial head and other sensors can be connected to the system. This allows for both classical dynamic measurements and static or quasi-static measurements such as brake pressure. Beyond the connection for the BHS I which is used for aurally accurate recordings and playback, SQuadriga II provides six ICP® compatible BNC inputs and outputs. The inputs operate with sampling rates between 8 and 96 kHz and are equipped with selectable high-pass filters, which allow recording without unwanted signal components. In addition, the input sensitivity is adjustable separately for each channel.

The measurement data can be saved on a removable SD card or directly to PC or notebook. “SQuadriga II can be conveniently operated via its function buttons and its touch screen display, as well as via the HEAD Recorder software – that is definitely a special feature”, says Genuit. “Both the channel configuration and the sensor setup can be easily adjusted and saved via touch screen.”

The system’s power is supplied by AC power adapter, USB, car adapter, or built-in battery which can have its mobile operating time extended by adding replaceable batteries.

The built-in rechargeable battery allows the extremely compact SQuadriga II unit to run on its own for several hours. The system operates silently and is ready for use immediately after turning it on.

For even larger measurement tasks with higher channel numbers two SQuadriga IIs can be connected. Furthermore, SQuadriga II can be combined with the multi-channel frond-end HEADlab. It can be used as an additional signal module of a HEADlab system or together with a HEADlab signal module as a controller.

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