D337 MultiStim Case & Power Supply

D337 MultiStim Case & Power Supply

£1,495.00 exc. VAT

Manufacturer's Net List Price

FEATURES

  • Accepts 14 standard single width modules
  • Links timing and power between modules through rear connections
  • Output from all monophasic channels available via 25-way “D” connector
SKU: D337 Category:

Description

DESCRIPTION

The D337 MultiStim Case and Power Supply is designed to accommodate up to 10 channels of stimulation (using D333/D343 Dual Stimulator modules) from either a common timing generator* or external timing signals. The motherboard distributes power to all modules, the timing pulse control and links the outputs to a common socket and optional digital current/voltage D335 Meter.

Stimulation modules can be fitted into the 10 right-hand bays, reserving the first 4 single width bays for timing, meter modules or blank panels.

This rack is fully enclosed and free standing on a table or bench using its front feet to tilt the case as necessary.

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Product Information

D330 MultiStim Brochure

D330 MultiStim Operating Modes

D330 MultiStim Module Selection Flowchart

References
Publications which cite use of the Digitimer D330 MultiStim can be found on Google Scholar.

DOWNLOAD BROCHURE

Digitimer-Life-Science-Brochure-1

ACCESSORIES

Supplied

  • Mains (Power) lead
  • Operator’s Manual

Recommended

  • This unit will not operate without necessary timing and stimulation modules installed
  • Output plugs for stimulation channels (NL822P/10-BLACK or NL822P/10-RED)

FAQs

When I increase the output amplitude on my stimulator modules during stimulation, the overload light comes on – what’s happening?
The D333H and D343 modules include an overload LED which serves to warn the user if the current requested or required cannot be supplied by the stimulator. The D333H modules have an upper limit of 1A, so if the impedance of the preparation and the voltage settings are high enough, the module will reach the maximum output current and indicate an overload. The same effect can be seen with the D343 except this is a constant current device and will supply up to 500mA until it reaches a compliance limit of 100V. If you run into the above problems, consider whether you need to have the output settings so high and also check that your preparation and electrodes provide a low impedance connection.
I want to use my computer & data acquisition interface to provide the timing controls for the stimulation output pulses – How can I do this?
This is the simplest possible MultiStim setup. If your software and hardware is capable of producing the required stimulation timing characteristics (i.e pulse frequency and duration), then all you require is a D337 Case, D334B Sync Module, the required number of dual stimulator modules/blanking panels and an appropriate cable (usually Lemo plug to BNC plug) to link the interface to the MultiStim. We also recommend a D335 meter in order to easily monitor the output current.
I am looking for an amplifier suitable for recording motor evoked potentials (MEPs) generated by transcranial magnetic stimulation (TMS), is the D360R a good choice?
Absolutely.  Just like the original D360, the D360R has been designed for full compatibility with TMS and electrical stimulation methodologies, providing a low noise amplifier with excellent common mode characteristics, in order to minimise stimulus artefacts.
I have re-arranged my dual stimulator modules in the case and now the stimulators display a lit error LED on the front panel?
The D337 Case is specifically designed to hold timing and pulse generator modules in the first (left-hand) four bays. Dual width stimulator modules (D333H or D343) will ONLY operate correctly if they are placed in the remaining 10 bays.

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