Stimulators

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

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)

MCS STG-1000 Series Stimulus Generators

STG 1000 Series - powerful and economical stimulus generators from Multi Channel Systems, featuring:

• General purpose stimulator for electrical stimulation in vitro and in vivo (no medical use)
• 1-8 separate constant current (standard range +/ 0.8 mA, extended range on request 3.2 mA) outputs with high compliance voltage (100 V)
• 1-8 separate constant voltage (range +/ 8 V) outputs with high maximum output current (20 mA)
• Integrated stimulus isolation units (SIU) (optically isolated) for all 1-8 analog output channels
• Independent programmable stimulus protocols with any waveforms and timing you like on each of the 1-8 current or voltage outputs
• 50 kHz output rate,
• 20 s time resolution
• Triggered or continuous pulse streams with flexible duration and number of pulses
• Unipolar, bipolar, rectangular, sine, ramp, step, custom defined, or biological waveforms
• Import of stimulation protocols in ASCII format

MCS STG-2000 Series Stimulus Generators

STG 2000 Series - the next generation of stimulus generators from Multi Channel Systems, with continuous streaming of stimulus protocols and dynamic online changes:

• Two operating modes: Download mode and Streaming mode
• Unlimited stimulus protocol possibilities in Streaming mode
• Independent triggering of outputs and external devices with 4 digital (TTL) input and 4 digital (TTL) output channels
• Independent triggering of 4 different pulse protocols on any number of (overlapping) outputs (Multi-File mode)
• Import of stimulation protocols in binary or MP3 format