The Dagan S-900 Stimulator inaugurates the Cornerstone series of instruments by Dagan. This single channel stimulator was designed for precise timing control of electronic events in the research laboratory. Interval and duration control of a single event or of train sequences have been built into the S-900. All the functions you need are built into a single unit without the necessity of expensive add-on cards or modules. When combined with a

ANALOG INPUT CONTROLS
The S-900 features ten turn analog input controls for convenient and precise control of timing parameters. Unlike a conventional analog stimulator the accuracy and repeatability of functions has been maintained through the use of digital circuits for all timing. As a result, the S-900 does not suffer from temperature stability and drift problems associated with multiple analog timers, which use capacitors for timing. The settings are precise, accurate and repeatable.

PULSES AS LONG AS 100 SECONDS
The S-900 can be used to create pulses as long as 100 seconds at up to 1000 second intervals. Pulse trains up to 1000 seconds long are also possible. The S-900 can so be used in conjunction with a second S-900 or any other timing device for an unlimited number of timing routines. The S-900 has the capability to expand along with the expanding complexity of your research.

QUICK STEP COMMAND GENERATOR
To further expand the capabilities of the S-900 the Quick step command generator can be used to generate the analog pulse output level. This gives you remote hand-held amplitude control so you don't have to move across the room for just one more nanoamp of stimulus current. The Quick Step also adds the capability of automatic increment routines, in which the stimulus level increases a predetermined amount at each successive occurrence.

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