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How To Choose the Right Circular Chart Recorder for You

6th Jul 2023

How To Choose the Right Circular Chart Recorder for You

In the world of data collection, circular chart recorders are a staple due to their reliability and ease of use. A multitude of industries, ranging from food processing to pharmaceuticals, employ these devices, which utilize a rotating disc and pen-based system to record data over time. However, with the variety of models available on the market today, choosing the right circular chart recorder can seem like a daunting task.

The importance of this decision should not be underestimated. The right recorder can provide accurate, reliable, and easily interpreted data that can greatly enhance your operations. On the other hand, an ill-suited recorder can lead to inaccurate readings, operational inefficiencies, and even safety issues. Read on to learn how to choose the right circular chart recorder for you and your operational needs.

Different Types of Circular Chart Recorders

Circular chart recorders come in various types, each designed to meet specific needs. Broadly speaking, we can categorize these into temperature, pressure, humidity, and multi-channel recorders.

Temperature Chart Recorders

Temperature recorders are among the most commonly used types of circular chart recorders. They are designed to monitor and record temperature changes over time. Industries that rely on maintaining specific temperature ranges for product safety and quality, such as food processing, frequently use these devices. They’re also prevalent in HVAC systems to ensure optimal climate control.

Pressure Chart Recorders

Pressure recorders are essential in industries like petroleum and gas, where monitoring pressure levels is critical for safe and efficient operations. These recorders are designed to measure and record pressure variations over time. They allow industries to prevent equipment malfunctions and potential safety hazards that might arise from incorrect pressure levels.

Humidity Chart Recorders

Humidity recorders are indispensable in environments where maintaining certain moisture levels is critical. Industries such as pharmaceuticals and agriculture often rely on these devices to maintain optimal conditions and ensure product quality. Notably, accurate humidity data helps maintain an optimal humidity level that’s safe for employees and products.

Multi-Channel Chart Recorders

Multi-channel recorders are the go-to option for more complex applications where multiple parameters need to be monitored simultaneously. These versatile devices can record several different data types, such as temperature, pressure, and humidity, all at once. This makes them ideal for intricate industrial processes that require comprehensive data collection and analysis, such as chemical production.

By understanding these types of circular chart recorders and their specific applications, you can better determine which recorder best suits your operational needs. Matching the type of recorder to your specific requirements is crucial to ensure accurate and relevant data collection.

Features To Consider When Choosing a Circular Chart Recorder

Several key features should guide your decision when choosing a circular chart recorder. Often, these features determine the efficacy of a recorder within your specific application.

Recording Range

The recording range is one of the most important features to consider when choosing a circular chart recorder. This refers to the minimum and maximum values the recorder can measure and record. The range should align with the parameter you intend to measure. For instance, if you’re monitoring a high-temperature process, you’ll need a recorder with a suitable temperature range.


Accuracy is another critical feature. While all recorders offer a degree of precision, the level required will depend on your application. In some cases, a small margin of error can be tolerated; in others, absolute accuracy is necessary. Always check the accuracy rating of a recorder before purchasing it to ensure it meets your specific needs.

Number of Channels

The number of channels is a crucial consideration, particularly for multi-parameter monitoring. Some recorders have only one channel, while others may have multiple. A multi-channel recorder is necessary to record several parameters simultaneously, such as temperature, pressure, and humidity.

Recording Speed

Recording speed refers to how quickly the recorder can capture and record data. This can be especially important in fast-paced industries or applications where conditions can change rapidly. A recorder with a high recording speed can capture these changes more accurately.

Chart Size

The size of the chart itself can impact how easy it is to read and interpret the data. Larger charts can often provide more detailed information and are easier to read at a glance. However, they may also take up more space, so it’s essential to consider your available space when choosing a recorder.

By understanding and carefully considering these features, you can select a circular chart recorder perfectly suited to your specific application and operational needs. Of course, it’s much easier to find the ideal equipment when you recognize the most trusted brands within the industry.

Trusted Chart Recorder Brands

Choosing a circular chart recorder from a trusted and reliable brand is crucial. Reliable brands often offer higher quality products that are durable and accurate. They also typically provide better customer service, including technical support and warranties. This can give you peace of mind knowing that you’re investing in a product that will deliver as expected and be supported over its life span.


Honeywell is a globally recognized brand known for its wide range of industrial solutions. Their circular chart recorders are renowned for their robustness, accuracy, and user-friendly interfaces. Honeywell offers a variety of models, each designed to meet specific application needs. Whether you’re monitoring temperature, pressure, or humidity, Honeywell’s recorders deliver reliable performance you can trust.


Another highly reputable brand in the field of circular chart recorders is ABB. Known for its innovation and quality, ABB offers a range of recorders designed for superior performance and durability. Their products are widely used across various industries, underlining their reliability and versatility. Many users appreciate ABB’s commitment to continuous improvement and their ability to deliver cutting-edge recording solutions.


Foxboro, a brand under Schneider Electric, is another trusted name in the field of circular chart recorders. Known for its high-quality instrumentation and control systems, Foxboro offers recorders renowned for their accuracy, durability, and advanced features. All Foxboro chart recorder products are designed to handle complex industrial applications, ensuring accurate data recording even under challenging conditions. Foxboro’s commitment to quality and innovation has earned them a loyal customer base across various industries. Their circular chart recorders are built to deliver reliable performance, making them a worthy consideration for your data recording needs.

Recording equipment from any one of these brands guarantees quality and accuracy, regardless of your application. Importantly, our Recorders Charts & Pens team proudly offers products from all of these companies and more! Now that you know how to choose the right circular chart recorder, browse our selection of industry-leading equipment and accessories today. Or, contact our friendly team to learn more about the best features for your unique applications.

How To Choose the Right Circular Chart Recorder for You

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