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Wilson Lead Amplifier Module WLA
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The WLA module Type 702 is used for capturing and amplifying unipolar ECG chest lead potentials according to Wilson. Up to 6 chest electrodes (V1 to V6) can be connected.
IMPORTANT: Correct recording of the Wilson unipolar chest electrode potentials requires the central reference signal (Central Terminal Point, CTP) which is formed from the bipolar extremity leads after Einthoven.
Using the WLA therefore requires the EGM module Type 701 which provides the CTP signal. The necessary link between the two modules is provided by the input box.
The WLA module has isolated input amplifiers in order to avoid hum interference. In this way the inputs are isolated electrically from the output circuits and from the housing.
The 6 output voltages of the different chest leads can be switched through jumpers to the PLUGSYS system bus.
From the system bus they can be picked off by a ROM module for direct recording or on BNC outputs on the rear for direct recording with any data acquisition system. A 6-fold output module (73-3827) to get the 6 signals out next to the frontpanle is also available.
keyword : electrophysiology, bio amplifier, hugo sachs elektronik
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