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Digital Stimulus Isolator Model 2300

The Model 2300 includes:

  • Battery Charger
  • Operator's manual

Please note that A-M Systems instruments are not approved for use with human subjects in either a clinical or research environment.

Catalog # Description Price Quantity
860000 Model 2300 Digital Stimulus Isolator, 110V, 60Hz $1,075.00 
Quantity:
860005 Model 2300 Digital Stimulus Isolator, 220V, 50Hz $1,075.00 
Quantity:
749923 Extended Warranty, 2 Year, Model 2300 $175.00 
Quantity: 



Summary

The Model 2300 Digital Stimulus Isolator is designed for a wide variety of stimulus applications. It provides opto-electrical isolation for TTL-compatible digital signals controlling the timing of preset levels.

Note that the software that controls this unit is compatible with DOS, but not Windows. It is available for download here, but is not currently being shipped with the unit. Proper operation of the unit requires the user to be able to supply TTL level pulses in the appropriate order to the 9-pin front panel connector labelled CONTROL. A cable is shipped to facilitate this connection.
  • Constant Current or Constant Voltage
  • Mono or Bi-phasic Capable
  • Low Noise
  • Optically Isolated Output
  • Built-in Battery Recharger

Specifications

  • Control software for IBM-PC Compatibles included
  • Constant current and constant voltage source
  • ± 50 V maximum bipolar/biphasic output voltage
  • 5 mA maximum output current
  • Opto-isolation
  • Wide bandwidth, DC to 40 kHz, < 10 µsec rise time (resistive loads)
  • Uses only two rechargable batteries and has a built-in recharger
  • Compact: 2.5" x 6" x 6.25"
  • Low noise < 0.003% of full scale
  • TTL-level controls

FAQ

The following is a list of commonly asked questions regarding this product. If you have any additional questions, please feel free to contact us at 800-426-1306 for further information.

  • My Model 2300 fails to recharge even though it has been plugged in overnight. What should I do?
  • The battery is dead. How do I recharge it?
  • The battery no longer holds a charge like it used to. Can I replace the batteries myself?
  • My battery has died. Can I temporarily run the unit with my power charger?
  • My Model 2300 seems to produce a DC offset when placed in current mode. How can I eliminate this offset?
  • My Model 2300 is beeping at me, indicating the battery is low, but the battery test light illuminates, indicating OK levels. How can this be?
  • Can I get a replacement Instruction Manual for this instrument?
  • My Model 2300 is not working, but our university has an excellent electronics facility. Can we repair the unit ourselves?
  • Can I use this instrument outside of the United States?
  • What are the proper operating and storage conditions for my Model 2300?
  • My Model 2300 failes to recharge even though it has been plugged in overnight. What should I do?

    Try pressing the reset switch on the back of the unit before and after charging.

    The battery is dead. How do I recharge it?

    There are two batteries in the Model 2300: a 9V NiMH and a 12V Lead Acid Battery; they are both recharged by plugging the provided power supply into the unit and connecting to a power source overnight.

    The battery no longer holds a charge like it used to. Can I replace the batteries myself?

    Replacement batteries can be purchased from A-M Systems by clicking on this link to the accessories page.

    My battery has died. Can I temporarily run the unit with my power charger?

    No. When the Power Switch is set to CHARGE, the unit's output is disconnected.

    My Model 2300 seems to produce a DC offset when placed in current mode. How can I eliminate this offset?

    You can eliminate the offset by AC-coupling the output of the Model 2300 (provided you are trying to generate a biphasic waveform). There are two concerns in using this method: the limited bandwidth and DC offsets in general. Any DC offset, no matter how small, will charge the capacitor in the AC-coupling circuit over time to the point where the output amplifier saturates, and can no longer produce the requested output current. For more information on AC-coupling the output of a Model 2300, please contact our technical support team (tech@a-msystems.com).

    My Model 2300 is beeping at me, indicating the battery is low, but the battery test light illuminates, indicating OK levels. How can this be?

    The 9V battery has discharged below acceptable levels, but it is still slightly strong enough to partially light the led. It needs to be replaced.

    Can I get a replacement Instruction Manual for this instrument?

    Additional Operator's Manuals are available for download by clicking on the 'Downloads' section from the toolbar at the top of this web page, or in the menu column to the left.

    My Model 2300 is not working, but our university has an excellent electronics facility. Can we repair the unit ourselves?

    It is recommended that A-M Systems perform the needed repairs as we are the most familiar with the units. However, if you are confident in your electronic technician's skills, you can always purchase the schematics for the Model 2300 from us and attempt them yourself.

    Please note that any user-attempted repairs during the warranty period may invalidate the warranty, and might invoke additional charges to correct them if A-M Systems is required to make repairs at a later date.

    Can I use this instrument outside of the United States?

    All of A-M Systems instruments can be modified to work outside of the United States. Typically, this modification is made at the factory (at no additional cost) prior to shipping to our customers. Just inform the customer service department where the instrument will be used, so our technicians can prepare the proper power supply modifications.

    What are the proper operating and storage conditions for my Model 2300?

    The Model 2300 is designed to be used under laboratory conditions. Operate in a clean, dry environment only. Do not operate in a damp environment. Temperatures for storage and operation should be between 5 °C and 40 °C. Storage should be indoors in a cool dry place.

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