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Stimulators

On this page: Digitimer Stimulators
A-M Systems Stimulators
Related pages: Neurolog Modular Electronics

 

Digitimer DS2A/DS3 Stimulator

Two models of battery-operated stimulator, including optical isolation from the trigger input.

  • Model DS2A (illustrated) - constant voltage with 9 V and 99 V ranges
  • Model DS3 - constant current with 90V compliance and ranges of 32 µA, 320 µA, 3.2 mA and 32 mA
  • Battery type: 9V PP3 (11 batteries)
  • Pulse width from 20 µs to 2 s, or input pulse width
  • For a free-standing trigger unit, please see below.

Digitimer DG2 Stimulus Trigger Unit

A freestanding trigger generator ideal for use with the DS2A and DS3 stimulators shown above.

  • Pulse rate variable from 0.1 to 100 Hz
  • Second, delayed pulse available for investigating refractory period
  • Separate Synch output
  • Battery operated
Digitimer DS7A HV Stimulator

Digitimer DS7A HV Stimulator

A constant-voltage, high-output stimulator, suitable for percutaneous stimulation.

  • Output 0 to 100 mA, with source voltage 100V to 400V
  • Pulse width 50 µs to 2 ms
  • Trigger in/out, manual pushbutton, or footswitch operation
  • DH7AH option gives to currents to 1000 mA, with width limited to 200 µs

A-M Systems 2100 Stimulator

An economical and popular isolated stimulator, with both constant current and constant voltage output modes.

  • Wide timing range: 1 µs to 999.9 seconds
  • Excellent digital timing accuracy
  • Optically isolated output
  • Calibrated outputs to ±100 V or ±10 mA
  • Mono- or bi-phasic pulse outputs
  • Trigger outputs for both individual pulses and entire train

A-M Systems 2200 Isolator

A stand-alone stimulus isolator that converts an analog input pulse to a stimulus pulse of proportional amplitude and the same width as the input pulse.

  • Voltage output ranges of 1 V/V and 10 V/V, to ±50V biphasic output.
  • Current output ranges of 1 µA/V to 1 mA/V in 4 steps; ±50V compliance
  • Optically isolated
  • Uses two rechargeable batteries (charger included)

A-M Systems 2300 Isolator

A stand-alone stimulus isolator that converts a digital input pulse to a stimulus pulse of the same width and with amplitude set by front-panel controls.

  • Voltage output ranges of 1 V/V and 10 V/V, to ±50V biphasic output.
  • Current output ranges of 1 µA/V to 1 mA/V in 4 steps; ±50V compliance
  • Optically isolated
  • Uses two rechargeable batteries (charger included)

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