A Multiple Manometer and Piston Gages for Precision Measurements (Classic Reprint) - Hardcover

C. H. Meyers

9780265841938: A Multiple Manometer and Piston Gages for Precision Measurements (Classic Reprint)

Hardcover

ISBN 10: 0265841933 ISBN 13: 9780265841938

Publisher: Forgotten Books, 2018

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A precision pressure measurement system built around a 15-bar manometer and piston gages.

This study describes a multi-tube glass manometer connected to piston devices, designed for high accuracy in thermodynamic pressure reading. The instrument is arranged to fit in a single room and features a careful layout of reading devices, temperature control, and robust glass-to-metal joints.

The design evolved from earlier work to improve reliability and reduce fouling, using liquids like water to avoid mercury issues. It uses five glass U-tubes arranged in series, with reading collars and illuminated backgrounds that aid precise measurement. A temperature-monitoring system and room airflow control help keep readings stable during observations.

What you’ll experience or learn:

How a multi-tube manometer is constructed and read for exact pressure differences.
Methods for aligning scales, zero references, and reading positions across multiple tubes.
Approaches to controlling temperature and airflow to minimize measurement drift.
Basics of deriving effective radii and crevice widths from observed data and torque measurements.

Ideal for readers of historical and technical discussions on precision pressure standards.

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