The Laboratory Recorder [electronic resource] / edited by Galen Ewing.
Erişim Adresi
ISBN
9781461345237
Dil Kodu
İngilizce
Yer Numarası
DK/13928
Basım Bildirimi
1st ed. 1974.
Yayın Bilgisi
New York, NY : Springer US : Imprint: Springer, 1974.
Fiziksel Niteleme
VII, 129 p. 54 illus. online resource.
Dizi
Laboratory Instrumentation and Techniques ; 1
İçindekiler Notu
1 Introduction -- 2 Deflection Recorders -- Linearizing Mechanisms -- The Prevention of Loading Effects -- 3 Servo Recorders -- Attentuators -- Reference Voltage Sources -- Slidewires -- Amplifiers -- Motors -- Multichannel Recorders -- Dynamic Properties -- Special Modifications -- 4 X-Y Recorders -- Drive Mechanisms -- Input Circuitry -- 5 Oscillographs -- Light-Beam Oscillographs -- X-Y Oscillographs -- Moving Pen or Stylus Oscillographs -- Fixed-Stylus Recording -- 6 Paper Feed and Writing Mechanisms -- Paper Forms -- Strip-Chart Drive Mechanisms -- Separate Sheet Recording Paper -- Printing Mechanisms -- 7 Shielding and Grounding -- Internal Noise -- External Noise -- Grounding and Guarding -- Amplifiers -- 8 Recorder Specifications -- 9 Troubleshooting -- Maintenance -- Performance Checks -- Difficulties and Their Causes -- 10 Recorder Accessories -- Integrators -- Differentiators -- Retransmitting Potientiometers and Encoders -- Event Markers -- Sampling Recorders -- Scale Expanders -- Multiplexers -- Calibrators -- Chart Viewers -- Appendix: Sources of Laboratory Recorders.
Özet, vb.
One of the most universal functions of any scientific or engineer ing laboratory is the gathering of data to provide answers to immediate questions or information to be filed for future refer ence. Such data gathering may be achieved in various ways, depending on the nature and quantity of the information. The most prevalent of such data gathering methods is undoubtedly analog recording. Electrical analog recorders are available in a variety of sizes, speeds, sensitivities, and prices. They are suitable for recording any signal which is in, or can be converted to, electrical form. These recorders are found in every modern laboratory. Without them the importance of many functional relations would be missed altogether. How could one adequately diagnose a heart ailment without a cardiographic recorder, or obtain infrared or magnetic resonance spectra on any practicable basis without a strip-chart recorder? True, various curves that are now traced automatically with a recorder can be plotted manually from point-by-point measure ments. This procedure, however, is not only time-consuming, but may cause valid bits of information to be overlooked entirely, simply because the points were taken too far apart. Another factor favoring the use of recorders is the ability to pinpoint faulty operation of the data-gathering system. Artifacts that might not be observable at all in point-by-point observations 1 The Laboratory Recorder 2 will often be readily identifiable on a recording. Asymmetry of a peaked curve, for example, is only dearly evident in a recording.
Konu
Social sciences.
Humanities.
Humanities and Social Sciences.
Humanities.
Humanities and Social Sciences.
Diğer Yazarlar
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