MULTISTIM SYSTEM D330 SYN D334B Sync Module provides the front panel power switch, power-on/error LED, Pulse & Gate (EXT) In & Synchronisation (SYNC) sockets and a Single pulse button. The gating circuitry has been carefully designed so that only “whole” pulses are delivered to the preparations.The D334B Sync Module provides the front panel power switch, power-on/fault bi-colour LED, synchronising sockets, single pulse button and indicator for the GATE waveform.The D334B is generally used in applications where an external gating pulse from another device is used to activate the D332T Pulse module (via the Gate input) or when an externally derived pulse is used to define stimulus duration and frequency (via the Pulse input). In the latter scenario, a D332T would not be necessary.
Multistim system D300 with SYN D334B consist of Multistim case and power supply, D334 SYNC, 2 DUALSTIM D333, 2 BIPHASIC D342 and D335 METER. The price for a new Multistim with all component list is $ 6725. Check our price ,save and buy this Model D330.
DESCRIPTION for D334B Sync Module
-Allows continous stimulation with option fro external control of gate and /or pulse timing.
-It has Main on/off switch,Gate input controls,SYNC output for gates.
-Also Single shot button, Pulse input control, SYNC output for pulse.
-The D334B Sync Module provides the front panel power switch, power-on/error LED, Pulse & Gate (EXT) In & Synchronisation (SYNC) sockets and a Single pulse button.
-The gating circuitry has been carefully designed so that only “whole” pulses are delivered to the preparations.
-The D334B Sync Module provides the front panel power switch, power-on/fault bi-colour LED, synchronising sockets, single pulse button and indicator for the GATE waveform.
-The D334B is generally used in applications where an external gating pulse from another device is used to activate the D332T Pulse module (via the Gate input) or when an externally derived pulse is used to define stimulus duration and frequency (via the Pulse input).
supplied with original power cable.
FEATURES
- Power and external input/sync features of the D334B Sync
- Additional control of stimulus train duration & repetition
- Train Repetition of 1 to 1100 or 0.1 to 110 seconds
- Train Duration of 0.1 to 110 or 0.01 to 11 seconds
- High power system for field stimulation of tissue and organ baths systems.
- Timing parameters of each stimulation channel can be completely & independently controlled through the use of external logic control.
- External devices can be used as a trigger or gating signal to all channels within the stimulator.
- Internal pulse and train generation can be provided by selection of appropriate modules.
- BiStim module allows normal, reverse or alternating output polarity
MultiStim System D330 is intended to be used in labs where a variety of in vitro preparations in tissue baths or cell culture wells need field stimulation from a low impedance source. Multistim system D330 has D342 2-Channel Bi-Phasic Switcher,D335 Meter,D333H Dual Stimulator and module either SYNC,GATE,PULSE or combination.
Each channel of the system employs the same time waveform, but each preparation receives a distinct stabilized stimulus. Modules for constant voltage and constant current stimulation are part of the system.
The system offers two types of stimulation:
1.continuous current stimulation (up to 500mA from a 100V source - D343).
2.constant voltage stimulation (up to 100V at 1A-D333H). D342 2-Channel
Bi-Phasic Switcher
This 2-Channel Bi-Phasic switcher is for use with a D333H or D343 module. The unit provides the switching function required to alternate the polarity of the stimuli to each of two preparations. It provides control of stimulus polarity (Normal, Alternating or Reverse)
independently for each channel as well as warning of a stimulus timing rate that is toofast. The control and timing for the pulses is generated by selecting other modules from the D330 - MultiStim range.It should be noted that the unit works with mechanical relays that require a certain time to switch their polarity. The circuitry isdesigned so that the changeover command is taken (independently for each channel) from the end of each stimulus timing pulse so that the relay ‘moves’ when no stimulus is being applied.
D335 Meter
This module allows selection of the channel for monitoring of current or voltage. This is
displayed on a 3-digit display which is ‘held’ until the next pulse, for ease of reading.
D333H Dual Stimulator
A double-width unit with two totally independent constant voltage stimulation channels. The D333H has an output capability allowing a maximum output of up to 1 A per channel.
Specifications of MULTISTIM D330
- Polarity Selector: Normal Left hand blue socket will go positive with respect to associated right hand blue socket
Alt: Polarity of sockets with respect to each other reverse with each stimuli
Reverse: Right hand blue socket will go positive with respect to associated left hand blue socket
- Amplitude: As set on associated D333H/D343 channel, optional D335 METER module will display current and voltage
- Current: 1 A max. (depends on D333H/D343)
- Output: Pair of 2 mm sockets (with compliance)
- Mechanical Life: 100,000,000 (100 Million) operations at 10 Hz
- Electrical Life: 5,000,000 operations at 200 mA, 200,000 operations at 1 A Note: only applies if stimulus rate is NOT too high (< 5 ms ISI)
- Indicators: Reverse Amber LED indicates output pulse is ‘REVERSE’ Too-Fast Red LED illuminates if ‘off’ time between stimuli is < 5 msec
The D330 MultiStim System from Digitimer has sockets that allow for external control and synchronization. Here are some details about the D330 MultiStim System's sync features:
A compatible trigger at the IN socket is translated into a SYNC pulse train.
The REPETITION and DURATION settings determine the pulse repetition rate and train duration.
The DELAY dial can introduce a delayed pulse after each SYNC pulse. This delayed pulse can be detected at the OUT-1/OUT-2 output.
The operator can gate the train of pulses on and off with an external device.
This module allows for extra delayed pulses to be generated for studies involving refractory period.
This module ensures that there is a stimulus pulse at the beginning of a gating period. The output pulse is always full width and is not terminated by the end of a gate period.
Built-in Stimulus Monitoring
To precisely monitor voltage or current, the system can be equipped with the D335 - Meter. To create pulses with changeable frequency and width that can be controlled as bursts using a gating waveform with variable repetition rate, length, or pulse count, a variety of timing modules are available. There are sockets installed to provide complete external control and synchronization, if necessary.
Bench Top or Rack Mountable
The D337 19" rack-mountable unit, which houses the Gated Pulse Train Generators and up to ten stimulation channels, is a version of the D330-MultiStim System rack/case.
Because the system is modular, it can be divided into smaller components or extended to serve two sites.
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