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Heat Exchanger

Heat Exchanger Differentials

A Heat Exchanger plays an important role in many industrial processes from chemical plants to water treatment. Their role allows operation processes to run effectively and efficiently. Today we want to look at how to get the most out your operations that involve Heat exchangers. What is a Heat Exchanger? Heat exchangers are devices that have been designed to move heat between two or more fluids. Heat exchangers play a pivotal role in industrial applications. They are used for purposes of heating and cooling of process fluids on a large scale. The Efficiency of Heat Exchangers The efficiency of your

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Transmitter

A Temperature Transmitter That Can Be Used With Inputs Other Than Thermocouple and RTD

The PR 5437 transmitter can take millivolt inputs directly. It can also take microamp or milliamp inputs by converting to a millivolt signal via the use of a precision resistor. The resistor value can be chosen to give the best results in terms of resolution and range. The transmitter also has a wide range of industry standard temperature sensor inputs (thermocouple, RTD, etc.). The output is the industry standard 4-20ma signal. The PR Electronics 5437 2-wire HART 7 Capable Temperature Transmitters An advanced temperature transmitter with a huge list of very powerful features: Wide range of inputs: RTD Thermocouple Potentiometer

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Vout vs temperature graph
Measurement

Linearization of temperature measurements

Temperature is the most widely measured value in process control. Across a wide variety of industries from large-scale chemical manufacturing to small labs, accurate temperature measurement is relied upon to ensure such things as yields, quality, safety and compliance. The most common methods of measuring temperature in an industrial process are by either thermocouple or RTD (Resistive Temperature Devices), with each having its own strengths and weaknesses, depending on the conditions being measured. Neither thermocouple nor RTD sensors are linear in nature. This means that their signal output is not directly proportional to the temperature being measured, with distinct curves

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Diagram of a Wire wound RTD
Sensor

How do RTD temperature sensors work?

The Fundamentals of RTD temperature sensors An RTD temperature sensor is a common device for temperature measurements in a wide range of industrial applications. In this article, we take a look at how they work, the most common types, and their advantages and disadvantages. The acronym “RTD” stands for “Resistance Temperature Detector”. Typically, RTDs contain either platinum, nickel, or copper wires, as these materials have a positive temperature coefficient. This means that a rise in temperature results in an increased resistance – this change of resistance is then used to detect and measure temperature changes. Platinum RTDs Platinum RTDs are

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Communication

Customer Stories: Pentronic Temperature sensors go “hand in hand” with PR temperature transmitters in equipment all over the world

Pentronic values PR products ability to solve their customers problems and the quality and ease of use of PR devices Pentronics is a leading temperature sensor manufacturer located in Gunnebo in Sweden. The company develops, manufactures and sells thermocouples and Pt100 resistance thermometers (RTDs), cables and connectors, and also processes connections and market IR-radiation pyrometers, transmitters as well as instrumentation like indicators, controllers, loggers and temperature calibration equipment. Pentronic’s temperature sensors are found in equipment all over the world. Pentronics have been working with PR electronic products for more than 20 years. Pentronic values PR product ability to solve their

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Customer Story: Stable and accurate temperature signal readings in natural gas compressors with heavy engine vibration

A number of applications require signal conditioning devices to operate in extremely harsh environments – natural gas compressors with heavy engine vibration is one example… An Italian manufacturer of natural gas compressors selected the PR 5333D transmitter for its compressor engines because of the transmitter’s ability to deliver high quality temperature readings in an ATEX area with heavy vibration… CUSTOMER STORY Safe S.p.A. is one of the world’s leading manufacturers of natural gas compression solutions for commercial and industrial applications. The company specifies the PR 5333D 2-wire programmable transmitter when designing heavy-duty gas compressors for reliable and efficient operation throughout

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PR5437A 2-wire HART 7 temperature transmitter
Transmitter

The New 5437 Temperature Transmitter: The Next Generation

The Next Generation… Redefining the head mount temperature transmitter The 5437, setting the new standard for head mount transmitters More Accurate More Stable More Flexible Faster More Approvals Full SIL Assessment Superior Specification Ultimate performance The 5437 has been designed to ensure maximum performance and to satisfy the most demanding of our customers applications. General Accuracy of +/-0.05% of span Response time of 70 ms Wider Ambient temperature range: -50oC…..85oC Temperature coefficient of +/-0.005% of span / oC Full assessment to SIL2/3 hardware and software for easy integration into safety instrumented systems Linearization: Callender Van Dusen Custom : Spline, Table,

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Transmitter

PR Electronics introduces the PR 5437 – A true dual input 2-wire HART temperature transmitter

Setting the benchmark for performance and flexibility, the new PR 5437 features a unique high-density 7-terminal design, providing the widest selection of dual-sensor input combinations on the market. From 2 x 4-wire RTDs to potentiometer inputs, there is no longer any compromise on sensor types. The new PR 5437 allows customers to protect high-integrity process measurements, e.g. in flare stacks or reactors, with an automatic backup in the event of primary sensor failure, while continuously checking on the validity of process values. It also provides the best accuracy, stability and reliability across a wider ambient temperature range of -50°C to

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