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Digitimer DS4 Bi-phasic Stimulus Isolator

Home|Amplifiers and Stimulators|Digitimer DS4 Bi-phasic Stimulus Isolator

Deliver positive AND negative current stimuli.

DS4

DS4 Bi-phasic Stimulus Isolator

The DS4 takes an analogue voltage waveform defined within your own data acquisition/ control system and converts it into an isolated constant current stimulus. The DS4 will accept several input voltage ranges and produces four output ranges (±10µA, ±100µA, ±1mA and ±10mA).

It also features a GATE input, so that several DS4 units can be controlled by a single analogue waveform, but enabled individually via this GATE input. A timed “inactivity sensor” reduces battery usage and damaging “leak currents” during infrequent stimulation, while at the same time maintaining low levels of zero crossing distortion for repetitive waveforms.

NOTE: This stimulator is NOT approved for use on human subjects.

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Specifications

Output:
Bi-phasic constant current proportional to the input voltage

Power:
Included external power supply (input voltage 110V – 220V) providing ±15V DC output. 10 x 12V GP23A Batteries.

Mounting:
One or two stimulators may be mounted in a 19″ rack using a specially fabricated frame (model D121-11) available from Digitimer Ltd.

Dimensions:
190 x 110 x 80 (w x h x d)

Weight:
500g (approx.)