Electronic Resource
Springer
Bulletin of experimental biology and medicine
57 (1964), S. 242-244
ISSN:
1573-8221
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Medicine
Notes:
Summary A description is given of a simple interval meter for recording blood flow rates (number of drops per minute). Air passes into a chamber to which is attached a recording which is raised steadily. A valve is operated by an electromagnet. When this valve is opened the air escapes from the chamber and the recording device drops rapidly. The valve is normally closed; it opens only when a drop falling through the monitor induces an electrical signal. The amplitude of the deflection is directly proportional to the time interval between two drops, i.e., is in inverse proportion to the flow rate. The advantage of the design is its simplicity.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00783552
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