## FOXBORO (1965) 69TA Current to Air Transducer

This is a very old instruction manual about the foxboro 69TA Current to Air Transducer (i to p). FOXBORO (1965) Foxboro 69TA Current to Air Transducer

## SIEMENS (1970) P101 and P300 Process Chromatographs Maintenance Instructions

Very old manual (1970) of the SIEMENS P300 Process Chromatograph!!!   SIEMENS (1970) P101 and P300 Process Chromatographs Maintenance Instructions

## SPIRAX SARCO (1997) M410 Orifice Plate Assemblies

SPIRAX SARCO (1997) M410 Orifice Plate Assemblies

## BRISTOL BABCOCK (1989) Flowmeter Applications

BRISTOL BABCOCK (1997) Flowmeter Applications

## What is Industrial pH Measurement?

What is pH? How a pH meter works? Introduced by Søren Peter Lauritz Sørensen in 1909. pH Definition How pH works? The pH measurement defines the quantity of hydrogen ions (H +) and hydroxide ions (OH-) present in an aqueous

## EMERSON (2016) Achieve Accurate Process Temperature Measurement with Surface Sensor Innovation

Temperature is the most commonly measured variable in the process industry. It is often a critical factor in determining process efficiency and product quality. There are several ways to measure temperature in the process industry and each present their own

## Analog Dialogue (2010) Two Ways to Measure Temperature Using Thermocouples Feature Simplicity, Accuracy, and FlexibilityAnalog Dialogue (2010) Two Ways to Measure Temperature Using Thermocouples Feature Simplicity, Accuracy, and Flexibility

The thermocouple is a simple, widely used component for measuring temperature. This article provides a basic overview of thermocouples, describes common challenges encountered when designing with them, and suggests two signal conditioning solutions. The first solution combines both reference-junction compensation

## OMEGA (2013) Introduction to pH

pH is a unit of measure which describes the degree of acidity or alkalinity of a solution. It is measured on a scale of 0 to 14. The term pH is derived from “p,” the mathematical symbol for negative logarithm,

## HIMEL (2016) Guide to enclosures for potentially explosive atmospheres

What is ATEX? It is a term commonly used to describe potentially explosive atmospheres (ATmosphères EXplosibles in French) and standards for protection systems and equipment. Two European directives, ATEX 99/92/CE and ATEX 94/9/CE, and international standards IEC 60079 and IEC