Autonomic Nervous System

COMPANY : GRASS TELEFA ,USA

CODE	MODEL	DESCRIPTION	CATALOGUE
1077/181	S-88	NERVE AND MUSCLE STIMULATOR

S88 DUAL OUTPUT SQUARE PULSE STIMULATOR
Single, Repetitive and Train Outputs. TTL Synchronization, External Analog Control of Rate

The S88 is a dual output, general purpose stimulator for nerve and muscle stimulation procedures. Applications extend from single cell to entire muscle stimulation. The two output channels can be operated independently or synchronized to produce complex paradigms. The outputs are non-isolated constant voltage positive pulses. New features include computer compatibility and flexibility of synchronization circuits. The synchronous inputs and outputs are TTL, 5 volt, PC compatible. A rear DB25S connector permits external analog control of the timing circuits. Optional Stimulus Isolation Units are available for applications requiring isolation and/or constant current.

COMPANY : GRASS TELEFA ,USA

CODE	MODEL	DESCRIPTION	CATALOGUE
1077/182	SIU5	STIMULATOR W /DELAY CIRCUIT AND ISOLATION

Designed to be used between a Grass Stimulator and the stimulating electrodes to minimize artifact and provide greater safety for stimulation. The SIU5 contains a radio frequency (RF) oscillator which is modulated by the Stimulator output.

COMPANY : GRASS TELEFA ,USA

CODE	MODEL	DESCRIPTION	CATALOGUE
1077/183	SD9	STIMULATOR W /DELAY CIRCUIT AND ISOLATION

The SD9 Stimulator is a compact, rugged unit capable of handling a wide range of stimulator applications for student teaching as well as research laboratories. The built-in isolation circuit enhances subject safety and minimizes stimulus artifacts. The twin pulse circuit makes this stimulator ideal for refractory measurements.

For those investigators requiring a signal mark for each stimulus in a volly, a signal marker circuit is included. This circuit is relay controlled and provides a contact closure for each stimulus up to about 30 per second. At higher rates, the contacts remain closed.

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