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ELECTRO ENCEPHALOGRAPHS<br />

<strong>EM</strong>G-4751 Eight-channel Electro Encephalograph<br />

When performing electrophysiological examinations in neuro.<br />

pathology and psychiatry, the equipment can be used for scientific<br />

analysis as well as diagnostics. It serves for examination of the<br />

bioelectric potentials of the cervix of the human brain and can<br />

record the test data. It is an up-to-date design, easy to operate<br />

equipment. 25 electrode points and 3 earthing points can be<br />

connected to the equipment. By means of the selector switches,<br />

any combination of the electrodes can be coupled to the inputs<br />

of the 8 amplifier channels. The instrument is also provided<br />

with interchangeable plug-in routine switches. Each routine<br />

switch allows of the selection of 9 routine programs. The amplifier<br />

channels are made as plug-in units. Max. sensitivity of the<br />

channels is 1 mmff!.V. The built-in resistance meter serves for<br />

measurement of the resistances of the electrodes. The built-in<br />

calibrating unit facilitates recording of the cal ibrating voltage<br />

changes. Recording is made with an inkwriting recorders on<br />

paper charts.<br />

Dimensions:<br />

1175x1140 x780 mm<br />

<strong>EM</strong>G-4752 Four-channel Electro Encephalograph<br />

As the instrument is of a portable design, it can be used for the<br />

examination of patients who, for any reason, cannot oe transferred<br />

to the EEG laboratory. Just like instruments provided with<br />

more channels, there are connection facilities for 25 electrode<br />

and 3 earthing points on the instrument. By means of the selector<br />

switches, any combination of the electrodes can be coupled to<br />

the inputs of the four amplifier channels. The built-in routine<br />

switch allows of the selection of 9 routine programs. By means<br />

of a built-in resistance meter, electrode resistances can be<br />

measured, while the internal calibrating signal can be used for<br />

recording calibration voltage changes. Recording is made with<br />

inkwriting recorders on paper charts.<br />

Dimensions:<br />

260 x 61 S X 430 mm<br />

<strong>EM</strong>G-4753 Four-channel Electro Nystagmograph<br />

The equipment serves for the amplification and recording of<br />

spontaneous and brought-about nystagmus. 8 electrodes and<br />

2 earthing electrodes can be connected to the portable, up-todate<br />

design instrument. Resistances of the electrodes can be<br />

measured by means of a built-in resistance meter. Signals amplified<br />

to an appropriate level are recorded by inkwriting recorders.<br />

Dimensions:<br />

260x625x430 mm

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