Pressure Calibrator: What Are the Benefits and How to Choose One?

Nagmanelectorn
5 min readSep 25, 2022

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Pressure calibrators are essential tools for ensuring the accuracy of pressure measurements in laboratory and industrial settings. They can be used to calibrate pressure sensors, pressure regulators, pressure-measuring equipment and other devices with which pressure is a critical measurement. These instruments are often used in conjunction with other pressure-measuring devices. Pressure calibrators measure pressures that fall within specific ranges, such as low range or high range. They are not able to read any single unit of pressure directly. When using a calibration device, you should choose one that meets your specific needs so that it is more efficient and effective for your application.

What is a Pressure Calibrator?

A pressure calibrator is a device that calibrates pressure-measuring devices such as pressure regulators, pressure sensors, pressure gauges and flowmeters. The instrument can either be used to set the device pressure to a specific value or it can be used to check the accuracy of a device against a known pressure standard. It is important to note that calibrators are not pressure sensors, and so they cannot be used to directly measure pressure. Instead, they have specific ranges for which they can check pressure. Calibrators that can measure very low pressures are referred to as pressure viscometers. Calibrators are used in a variety of industrial applications, including in chemical laboratories, pharmaceutical manufacturing, biopharmaceutical manufacturing, biotech laboratories, and related settings. They are often used in conjunction with other pressure-measuring devices.

How Does a Pressure Calibrator Work?

A pressure calibrator works by comparing the pressure reading provided by a pressure sensor or other device being calibrated against a known standard. The user sets the pressure being measured by the device and the device being calibrated against the standardized reading on the calibrator. The calibrator then provides a reading indicating whether the pressure being measured is within required range. Pressure calibrators are not able to read any single unit of pressure directly. In order to calibrate a device using a pressure calibrator, you must have a known standard measurement to compare your results. Two common standards include the Standard Pressure (SP) and the Standard Temperature (ST). The Standard Pressure is defined as the pressure at sea level at a temperature of 15 degrees Celsius. The Standard Temperature is defined as the temperature at which water freezes at 0 degrees Celsius.

Why Is a Pressure Calibrator Important?

Accurate pressure measurements are extremely important in industrial settings. Low pressure is not only an inefficient use of energy but may also be dangerous if it is used in high-pressure applications such as in the pharmaceutical or chemical industries. High pressure can cause dangerous explosions if it is too low. The pressure calibrator ensures that your measurements stay accurate by allowing you to check the accuracy of your sensors. Pressure sensors are prone to wear and tear, especially if they are used in harsh or corrosive environments. Pressure sensors can be calibrated to ensure that your measurements remain accurate. The pressure calibrator can be used to calibrate a wide variety of pressure-measuring equipment, including flowmeters, manometers, differential pressure gauges and other pressure sensors.

Types of Pressure Calibrators

There are three main types of pressure calibrators: — Manual pressure calibrator: These are the most common and least expensive calibrators. They operate based on the user setting and comparing the pressure against the calibrated reading. — Electronic pressure calibrator: These calibrators are more expensive than manual calibrators, but they are very accurate and can be used in situations where a manual calibrator would be difficult to use. — Automatic pressure calibrator: These calibrators are designed to be fully automated and are useful for larger applications where frequent calibration may be required.

Benefits of Using a Pressure Calibrator

Organizations that use pressure calibrators can experience many benefits, including increased safety and reduced costs. — Increased safety: Accurate measurements can prevent accidents caused by high or low pressure. Low pressure can cause insufficient flow in lines, while high pressure can cause over-pressurization and dangerous explosions. — Reduced costs: Pressure calibrators can help you avoid unnecessary repairs and replacements by ensuring that your measurements are accurate. This can help you reduce the amount of time spent troubleshooting problems and preventative maintenance. — Measurement consistency: With consistent measurement, you can optimize your process and product quality. — Ease of use: Pressure calibrators are designed to be as straightforward as possible. They are easy to use, and most come with instructions to help you calibrate a variety of devices quickly and easily.

Tips for Choosing a Pressure Calibrator

Before purchasing a pressure calibrator, it is important to consider your needs and how you intend to use the device in the future. You may also wish to consult with a technician to help you select the best calibrator for your application. — Type of device: The first thing to consider is the type of device for which you will be calibrating. You should choose a calibrator that can be used with your device. — Range: You should also consider range. Different calibrators can measure different pressures, so you must select one that meets your specific needs so that it is more efficient and effective for your application. — Accuracy: You should also consider the accuracy of the calibrator. The best calibrator is one that provides highly accurate readings. — Ease of use: You should also consider the ease of use. A calibrator that is easy to use will enable you to calibrate your device more quickly and easily. — Price: Finally, you should consider your budget. Pressure calibrators vary in cost, so you can select one that fits within your price range.

Conclusion

Pressure calibrators are essential tools for ensuring the accuracy of pressure measurements. They can be used to calibrate pressure sensors, pressure regulators and other devices with which pressure is a critical measurement. When using a calibration device, you should choose one that meets your specific needs so that it is more efficient and effective for your application.

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