Types, Applications and Functions of Circular Chart Recorders

Chart recorders are actually instruments that are used for the recording of different types of processes as well as electrical signals. The most traditional form of chart recorders is the ones that record data on paper. The paper usually passes under the pen where the pen simply deflects in proportion to the signal that is sent. The result so obtained on the paper is a graphical form of data or a chat that represents the data. Now, with the passage of time and the evolution of technology different types of chart recorders have come into existence giving improved as well as accurate results.

Types of Chart Recorders

There are a number of different types of chart recorders available and are required to be chosen as per the specific needs or requirements. The different types of chart recorders areas listed below.

• Strip Chart Recorders : Record data on a strip of paper moving linearly.
• Circular Chart Recorders: Record data on rotating circular paper charts.
• XY Chart Recorders : Plot two variables against each other.
• Paperless Chart Recorders: Digital recorders storing data electronically.
• Hybrid Chart Recorders : Combine paper and digital recording.

What are Circular Chart Recorders?

As indicated by the name, these chart recorders record data in a circular format. Here the paper is allowed to spin under one or more pens. The pen or pens are then deflected in proportion as per the varying signals received and the result is a circular chart. The circular charts are designed in such a way that they normally rotate in the standard time periods like one hour, twenty-four hours, seven days, etc. But many of the circular chart recorders are quite flexible for the accommodation of time periods that are non-standard as well. This is the reason why recorders are considered to be extremely versatile in nature due to their adaptability to time periods.

Key Features

• Recording Format: Paper rotates under one or more pens, producing circular charts.
• Time Cycles: Standard rotations (1 hour, 24 hours, 7 days), with flexibility for non-standard cycles.

Types of Circular Chart Recorders

The circular chart recorders are usually of two types which are as follows.

1. Single-Pen Recorders: Track one parameter (e.g., temperature).
2. Dual-Pen Recorders: Track two parameters simultaneously (e.g., temperature and pressure).

• Best Use Case: Batch processes where the duration is known and fixed.

Applications of Circular Chart Recorders

The circular chart recorders find a wide range of applications in cases where there are batch processes. Some of the general applications of the circular chart recorders are as mentioned below.

• Water Treatment Plants: Monitoring water levels.
• Wood Drying Processes: Measuring temperature and humidity.
• Cleanroom Environments: Monitoring pressure levels for compliance.
• Industrial Batch Processes: Any process requiring fixed-time monitoring cycles.

Functions of Circular Chart Recorders

The circular chart recorders are perfectly suited for the batch processes where the time for the set processes is known. This becomes easier since the circular chart recorders are specifically designed to rotate for fixed time periods and hence can be adjusted accordingly. This makes the recorders ideally suited for the intended purpose of use which functions just appropriately.

• Provide continuous monitoring of parameters.
• Offer visual, tamper-proof records for audits.
• Adaptable to different industries due to flexible chart rotation speeds.
• Useful in compliance-heavy sectors like pharma, food, and cleanrooms.

Apart from the applications mentioned above, there are a lot of applications of the circular chart recorders. But at this point in time, it is to be made sure to buy the circular chart recorders from a trusted and reputed circular chart manufacturer for the purpose of getting top-quality products.

Get in touch with us by call:+91 265-2461912 / +91 9824524140 or
visit us at: www.gtek-india.com