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Coulbourn Instruments

5583 Roosevelt St
Whitehall, PA 18052 United States
Phone:(610) 395-3771
Toll Free Number:(800) 424-3771
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Overview: Coulbourn Instruments has been providing quality behavioral and physiological research instrumentation to leading scientists worldwide for 40 years. Complete hardware/software integrated systems for in vivo studies in toxicology, pharmacology, and neuroscience for learning and memory, activity, anxiety, addiction, metabolism, contextual fear, acoustic startle, circadian rhythms, drug screening and more.
UMDC Code: 225963
Fax: (610) 391-1333
Email: sales@coulbourn.com
Website: http://www.coulbourn.com
Company Type: Private
Business Lines: Manufacturer/Exporter
Sales Channels: Direct/Reps

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The differentiator produces an output voltage as a function of a rate of change (slope) in voltage of the input signal. It is used to produce a first derivative signal from the original, raw physiological signal, such as acceleration and velocity for ECG, blood flow, eye movement, tremor, respiration, etc.
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The Transthoracic Impedance Pneumograph Coupler is used for recording respiratory and ECG activity by measuring the thoracic impedance between two electrodes. IPG (Impedance pneumography) measures respiration rate and relative volume. Absolute volumes can be measured by first calibrating with a spirometer. In addition, the unit provides simultaneous measurement of ECG, a particularly attractive feature when working with small animals.
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TACHOMETER Respiration
The V77-26 is a microprocessor-based tachometer that produces an analog voltage output proportional to the rate of events on the input. A digital display on the front panel provides the number of events per minute. The Tachometer is used for real time display and recording of signals where the rate or frequency of recurrence is of interest such as Heart Rate, Respiration Rate, etc. The V77-26 can provide an update on a cycle-by-cycle basis, after every Nth cycle, or provide a rolling average for every Nth cycle.
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