What are the Various Temperature Calibrators & How To Use Them?

Temperature calibrators are advanced devices that can replicate the process of temperature sensors, which has the nominal range commonly called the point of uncertainty or accuracy. It’s often referred to as a thermometer that monitors the change in temperature readings. Numerous devices in the market resemble the functionality of temperature calibrators. Here is the list of some to make a note of:

• Thermometer Calibrator
• Temperature Simulator
• Thermocouple Furnace
• Temperature Indicator
• Infrared Thermometer
• Black Body Calibrator
• Dry Block Calibrator
• Pyrometers
• Stirred Baths
• Universal Dry Block Low-Temperature Calibrator
• Dual Dry Block (Hot & Cold) Temperature Calibrator
• Medium Temperature Dry Block Calibrator
• Metrological Dry Block Medium Temperature Calibrator

Irrespective of its type, the defined function of the temperature calibrator is similar. It also has the operational feature of sourcing & locating errors of any device that can measure equipment temperature. Are you looking to protect your valuable device against temperature uncertainties and excess heating? Then, this article is for you. Here, we delve deeper to understand the various types of temperature calibrators to discover why they are necessary during high-end operations & how to use them.

Different Types Of Temperature Calibrators – All You Need To Know!

In equipment calibration, the deployed temperature sensors are spread across different ranges & types. For industrial temperature measurements, 3 different variants of temperature calibrators have been used. Let’s discuss everything in detail.

Temperature Sensor Calibration:

• Calibration of the temperature sensors verifies the total offsets from the absolute measurements reading & saving that offset.
• For registering precise measurements, the temperature sensor is placed on the equipment that requires exact device tuning to measure the output of sensor offset.
• Temperature calibration is usually performed at specified regions. Some well-known dry block temperature calibrators are available in variants like ultra negative, sub-zero temperature, stirred baths & much more. As the name suggests, dry block performs calibration without requiring any fluid and implies DUT sensors for measurement.

Instrument Calibration:

• It’s a traditional calibration mode, where the output derived from the instrument calibrator is similar to the trigger sensor output. But it may drift after a specific timeframe.
• The operations are identical to temp sensors that read process temperature.
• The device’s offset can be viewed & modified to quantify its previously measured accuracy.
• Every single device must undergo regular quality testing protocols. That’s why having a test and measuring instrument becomes vital. It can calculate important parameters like voltage, resistance, temperature, pressure, RTD, vacuum & lot more.

System Calibration:

• System calibration is a much simpler process that validates the proper functioning of the entire system, from gathering inputs to high-yield outputs with accuracy.
• The operation is a combined version of the temperature sensor & instrument calibration.
• The system calibrator can read the system temperature at every stage. It can be deployed in industrial control systems such as control servers, industrial automation & control systems (IACS), programmable logic & automation controllers (PLC/PACs), distributed control systems (DCS), remote terminal units (RTUs) & much more.

Process Involved In Temperature Sensor Calibration:

During incision, temp sensors are tested & calibrated, and the end values are stored. Then, the sensors are modified to check whether they meet the desired temperature by testing again. For precise calibration, follow these step-by-step processes:

• Place the reference & calibration probe RTD in the temperature bath.
• Connect the sensor leads to notify the final probe reading and pair with the probe.
• The temperature of the reference & calibrating probe is recorded for every test region.
• As part of the calibration, the probe’s resistance is valued & new parameters are calculated.
• Notify the device error under test/calibrating probe RTD to check whether it’s intolerant.
• Using the final results, check the latest values for calibrating probes like RTD/PRT.

Why Deploying Temperature Calibrators Are Necessary?

If calibrating a temperature sensor is challenging, choosing the desired calibration device is even tiresome. It can be accomplished by understanding the use cases of each calibrating instrument discussed briefly in this article. But, the first step is to be aware of the thermometer that is being calibrated, which includes knowing the physical features, electrical signal types, temperature range, etc. Are you looking for the right kind of temperature calibrator for your equipment? Nagman has a perfect solution for you. Reach out to us NOW!

What Is Instrument Calibration & Why Is It Needed?

When it comes to measuring in any industry, reliability & precision cannot be overstated. Test and Measuring Instruments are vulnerable to various factors, such as changing ambient conditions. Calibration of the equipment is required to ensure accuracy when constructed, allowing users to have confidence in the subsequent measurement findings.

The quality of measurements has a strong relationship with the quality of final products. A faulty equipment might disrupt the measurement process and represent a safety risk. And that’s why Instrument Calibration is necessary.  Today, we’ll dig deeper into what it is and why it’s necessary for all industries!

What is Instrument Calibration?

Calibration is evaluating or restoring an instrument’s or measuring equipment’s accuracy by comparing it to a known standard to guarantee that it operates safely and efficiently. After calibration, the values at each point of reference of the equipment are calibrated & the standard calibration device must align/be within the authorized resistance/accuracy value for that device to be OK certified.

However, if there is a deviation, the instrumentation engineer performs the necessary adjustment, correction, reset, or repair on the equipment to return it to its normal standard. When the calibration is done, a Calibration Tag is attached to the device. Instrument calibration guarantees that organizations (food processing, environmental, oil and gas, and so on) can prevent false readings in their processes, guaranteeing that the instruments continue to match their manufacturers’ requirements and defined purpose.

Why is Instrument Calibration Important?

Since firms require significant expenditure to establish and maintain calibration programs, why is it a typical (and important) step in many industries? Let’s take a look.

Accuracy 

Calibration of your instruments helps eliminate data collection and analysis errors, assuring measurement accuracy in various environments and conditions.

Reliability

Regular calibration ensures that your instruments are reliable and trustworthy, resulting in consistent results.

Safety

By calibrating your equipment regularly, you may identify potential hazards and use them safely without risking damage or harm.

Compliance

Many firms demand that their instruments be calibrated often to comply with regulations & standards imposed by regulating authorities like the FDA or ISO. It includes medical devices in hospitals & labs, industrial machinery used in manufacturing processes, aircraft components that are rigorously tested before being put into production, and so on.

Instrument Expectancy 

Regular calibration with temperature calibrators or Pressure calibrators can help extend the life of an instrument by recognizing and resolving any wear or damage before it becomes a major issue.

Compared to the costs of legal action for damages that could be filed against you, the costs of right calibration and adjustment are modest. Companies who take their responsibilities seriously and want to build long-term commercial connections must calibrate their equipment regularly. If your instrument is not calibrated, it may void your warranty.

How Often Should You Calibrate Your Instruments?

At its heart, calibration is a method for determining the best approximation of the true value of a measured quantity. There is no way to determine the exact value of a measurement, but it is feasible to come close. This closeness to the truth is what we call accuracy. So, how frequently should you calibrate?

The industry standard for most sectors is to calibrate once a year. As the results of calibration tests become available, you can change the frequency of calibrations and upgrade to more robust measurement devices as needed. Most calibration facilities give customers a calibration tag and a printed calibration certificate to assure quality standards.

How Can Nagman Help In Your Calibration?

The significance of Test and Measuring Instruments calibration cannot be overstated because it is an essential maintenance requirement that should never be overlooked by any organization that uses instruments and machinery. Nagman, an ISO 9001-2015 Certified Company, has a team of professional personnel ready to handle your calibration needs and help protect your business against unanticipated downtime and sudden equipment failure. Need help with your instrument calibration? Looking for a Level Calibration System or Calibration hand pumps? Reach out to us today!

Why is Calibration Important? Advantages of Calibrating Your Equipment

In the dynamic manufacturing industry landscape, the pursuit of excellence is driven by a delicate balance of equipment precision and instrument accuracy. These factors hold the key to the organisation's overall turnover and success.

The machinery's performance and output accuracy influence the quality of the products manufactured significantly. Operational accuracy becomes paramount, especially in sectors like pharmaceuticals and biotech, where the products are consumable and subject to stringent audits and quality checks.

Why is Calibration Important?

The importance of calibration lies in its contribution to ensuring precise measurements, a foundational aspect for maintaining the quality, safety, innovation and calibration test benches standards of various products and services we interact with daily.

The pivotal role and significance of calibration often go unnoticed by many individuals within their day-to-day routines.

Nevertheless, calibration plays a crucial role in enhancing the reliability of accurate measurements necessary for research, advancement, and creative processes, as well as in manufacturing countless products and services on a global scale. Take a moment to observe your surroundings at this very instant; a significant portion of what meets your eye has been crafted within exacting measurement parameters upheld by calibration.

A brief compilation of instances where calibration quietly operates in the background to ensure precise measurements, pivotal to the convenience, excellence, and safety of the products and innovations we cherish and rely upon each day, includes:

• All modes of transportation and their associated systems encompass automobiles, trains, aircraft, and fuel dispensers.

• The realm of electronics spans mobile phones, cellular services, computers, household appliances, and assessment and measurement apparatus.

• The comprehensive array of pharmaceutical goods and medicinal treatments.

• The domain of medical instruments, such as pacemakers, alongside essential processes like sterilisation.

• The expansive field of aerospace technology and its related systems encompass rockets, satellites, and even the International Space Station.

• The realm of food production and the intricacies of shipping and storage.

• The trade and exchange of commodities like oil, grains, and precious metals like gold.

• The expanse of scientific investigation, progress, and inventive endeavours.

And this roster extends endlessly into an ever-expanding world of myriad services and manufactured wares across the globe.

5 Advantages of Calibrating Your Equipment

To maintain operational efficiency, manufacturing concerns must engage in the practice of regular equipment and machinery calibration. While in-house calibration is an option, many organisations opt for third-party calibration labs due to their array of benefits. Accredited calibration labs, in particular, present a multitude of features that prove advantageous for manufacturing concerns.

1. Servicing Proficiency

Collaborating with an accredited lab translates into a heightened assurance of quality. These labs undergo scrutiny from independent accreditation bodies that meticulously assess compliance with industry standards and regulations. This validation underscores the lab's competency in delivering precise calibration services.

2. Quality Control

Accredited calibration service providers undertake extensive research and training. This effort culminates in establishing and implementing robust quality management systems that adhere to state laws and regulations, satisfying the stringent standards set by regulatory bodies such as the FDA. These labs' thorough processes guarantee superior precision within a well-controlled environment, a boon for pharmaceutical, biotech, and F&B manufacturing industries.

3. Reduction of Errors

The calibration process itself undergoes rigorous assessment to ensure its accuracy. This meticulous testing safeguards against inaccuracies or suboptimal calibration that could compromise product quality. In sectors like pharmaceuticals, where precision is paramount, this is of utmost importance to avoid product recalls or penalties stemming from substandard manufacturing processes.

4. Cost-Effective Auditing

Industries that produce consumer goods, such as F&B and pharmaceuticals, necessitate frequent calibration services like pressure calibrators, temperature calibrators, etc. and supplier audits. Engaging a third-party accreditation service proves more cost-effective compared to conducting in-house calibration, which would require additional validation from an accreditation body. This judicious choice minimises the financial burden associated with equipment calibration.

5. Seamless Tracking

Outsourcing calibration processes to third-party providers facilitates the highest degree of precision in a well-controlled environment. This streamlines the tracking of equipment calibration schedules and related details, simplifying compliance with calibration audits.

Conclusion

In the intricate tapestry of manufacturing, the regular calibration of equipment emerged as a linchpin for seamless operations and amplified profitability. This emphasises the paramount importance of executing calibration processes with meticulous care. It is imperative for manufacturing concerns to weigh their options judiciously, assessing the advantages and disadvantages of third-party calibration services while gauging their credibility.

In doing so, organisations can make informed decisions that resonate with their pursuit of excellence. Nagman has been providing industry-level equipment calibration services meeting the quality and accuracy of our clients. Contact us today if you are looking for a trusted calibration service.

How to Calibrate Temperature Sensors?

Temperature sensors are critical components in various industries, ensuring precise measurements for optimal performance. Calibrating these sensors is essential to maintain accuracy, and three primary methods are employed for this purpose. Each method offers distinct advantages and limitations, affecting the reliability of temperature readings. This article will delve deeper into these methods and analyse their pros and cons to understand temperature sensor calibration comprehensively.

Three Major Strategies for Calibrating Temperature Sensors

Calibrating with a Temperature Simulator

Calibrating temperature sensors using a temperature simulator remains a rapid and efficient approach. A temperature simulator accepts an input temperature and generates corresponding electrical signals, such as voltage or resistance, based on established national standards. Let's explore further the benefits and drawbacks of this method.

Pros

Speed and Efficiency: The use of a temperature simulator enables instantaneous calibration of the electronic components without the need for stabilisation time, streamlining the calibration process.

Portability: Equipment used for this method is often more portable than other calibration methods, making it suitable for field applications.

Interchangeable Probes: The ability to use interchangeable probes enhances the versatility of the calibration setup, allowing different sensors to be calibrated using the same equipment.

Cons

Higher Cost: Using a reference thermometer and the associated equipment contributes to higher calibration costs than other methods.

Setup Complexity: Using two instruments, the dry well and the reference thermometer, increases the complexity of the calibration setup.

Non-interchangeable Probes: Similar to the other methods involving a dry well, probes calibrated using this method cannot be easily interchanged without recalibration.

Temperature Change Time: As with the previous methods, the dry well's temperature adjustment time can influence the efficiency of the calibration process.

Conclusion

The selection of the appropriate method for calibrating temperature sensors hinges on specific requirements and priorities. Choosing wisely among these methods is essential, based on the precision and complexity your application demands. You can even choose handheld temperature calibrators. It is advisable to consult further resources and seek expert advice in the field to stay informed about temperature sensor calibration and related topics. 

As technology advances, new calibration techniques may emerge, further enhancing the accuracy and efficiency of temperature sensor calibration processes. At Nagman, we provide the best consultancy on calibrating temperature sensors.

How to Choose a Pressure Controller? Things to Consider!

Choosing the best pressure controller for calibration lab or production testing necessitates careful study of controller features and specifications.

But what exactly is a pressure controller?

Pressure controllers are electronic controllers that provide pressure depending on a source pressure fast and automatically. With its excellent precision and control stability, pressure controllers are ideal for reference in manufacturing lines & labs for automatic testing & calibration of various sensors.

This blog will walk you through choosing the perfect precision pressure controller for your pressure calibrators.

Types of Pressure Controllers

There are many methods for controlling pressure. Let's take a quick look at various approaches.

1.     Pressure Reducing Regulators

Pressure-reducing regulators reduce the higher intake supply pressure to a controlled lower pressure at the exit. These devices are available in various forms, sizes & technologies. Any control valve is a pressure-reducing regulator since opening/shutting a valve allows for higher/lower output pressures. Some use cases include gas combination, leak testing, welding, fuel cell testing & automotive paint.

2.     Back Pressure Regulators 

Back pressure regulators restrict the output of a system to control pressures that accrue or release upstream of the device. When the gas pressure exceeds the setpoint, the back pressure regulator opens wider to release the excess pressure. These pressure controllers are used for compressor testing & control, chromatography analysis & many more.

3.     Closed Volume Pressure Controllers 

Back pressure and pressure reduction regulators are single-valve devices that manage pressure in flowing systems. When working on closed/dead-ended devices, pressure controllers with proportional knobs on the intake and a digital valve on the output are commonly used.

These pressure calibrators are used for micro-fluidic control, fluid dispensing & sensor testing.

What Factors To Consider Choosing The Right Pressure Controller?

Pressure controllers differ in performance criteria, control channels, signal for control outputs, and sensor excitation supply. But how to choose the right one?

Here are 5 things to consider.

1.     Media Type

Pick a controller compatible with the media you intend to use. Air and nitrogen are common pneumatic mediums for less than 10,000 psi. Higher ranges often use hydraulic media such as water or oil. It is based on the devices you intend to calibrate and the media utilized in their application.

2.     Pressure Range

Consider the pressure ranges you'll need to calibrate. The pressure controller(s) you select must be able to regulate and measure your predicted ranges. This aim can be met with a single-channel, two-channel, or many controllers. The complexity will be determined by the extent of ranges and pressure kinds, although dual channel controllers with various interchangeable internal transducers should be explored to save costs.

3.     Pressure Type

Choose the pressure type(s) that must be calibrated: gauge, absolute, bidirectional, or differential. The calibrator's sensors must match these types or be capable of simulating whatever pressure type of the devices being calibrated.

4.     Accuracy 

Assess each calibration range's accuracy and least allowable test uncertainty ratio (TUR). Choose a controller that can calibrate each range and meet the TUR criteria. It might become complicated when dealing with different ranges, accuracies, and pressure kinds. 

5.     Duty Cycle

 Consider the controller's duty cycle. It is especially significant in a production scenario when pressure cycling is necessary regularly. Many controllers have cycle-testing performance data available from the vendor upon request.

Choose The Right Pressure Controllers With Nagman!

When you are on the move for the right precision pressure controller, the best controller and sensor combination should be chosen based on the range and accuracy class of the calibrated devices, the needed duty cycle, speed, and stability.

Nagman offers a wide selection of precision pressure controllers, so if you're seeking high-quality, high-precision pressure calibrators, you've come to the correct spot. Nagman pressure controllers provide highly variable variants to meet your application and unrivaled performance reliability to assure long-term, uninterrupted operation.

Nagman has the perfect solution for you, so contact us anytime!

How to Calibrate Pressure Instruments?

Different applications need varying degrees of precision. Measuring the pressure in a residential water system does not have to be as precise as in a medical sterilizer application.

Measuring any parameter is only helpful if the user believes it is correct, yet even the best pressure gauge can lose accuracy with time. You must calibrate your gauge regularly to ensure maximum reliability, repeatability, and stability control.

When checking the calibration of pressure devices, several aspects must be considered. Today, we will go through these factors and discuss how monitoring the calibration of pressure instruments with pressure calibrators can guarantee that your application maintains its accuracy.

Why Calibrate Your Pressure Instruments?

If you need to know the pressure of a process or an environmental state, the precision pressure controller you're using should be calibrated to guarantee accurate pressure measurement. Within the tolerance, you consider acceptable. Otherwise, you cannot be assured that the pressure measurement accuracy is enough for your needs.

Calibration of pressure measuring equipment with pressure calibrators guarantees that it continues to deliver accurate measurements by taking into account the following factors:

Accuracy - The degree to which a particular set of measures (observations or readings) is near its real value. Pressure gauge accuracy is reported as a percentage of the full scale.

Tolerance - The greatest allowable deviation from a given value can be represented in measurement units. Tolerance of 1.0 psi at any position on the measurement scale for a gauge with a span of 100 psi and an accuracy of 1% of span.

Precision - Refers to how near or far apart the measurements are and their reproducibility.

How To Calibrate Pressure Instruments?

Understanding the process of pressure instrument calibration might be frightening, even if you have all the necessary equipment. The technique might differ based on the calibration environment, the accuracy of the item under test, and the calibration guidelines used.

So what does the process entail?

Comparing the DUT Reading to Standard

Calibration involves comparing the DUT reading to a standard reading and documenting the error. One or more calibration points must be reviewed, and an upscale and downscale procedure may be necessary, depending on the specific pressure calibration requirements of the quality standards.

The test points can be at zero and span or any combination. The standard has to be more precise than the DUT. The general guideline is that it should be four times more accurate, although specific requirements may differ.

Recording Pressure Readings

According to the pressure standard, the operation will require manual, semi-automated, or fully automatic pressure reading logging. The measured pressure is cycled upscale & downscale to match the pressure range & the standard and DUT pressure values are recorded.

These recordings are subsequently published in a calibration certificate to highlight the DUT's divergence from the standard.

Traceability

Upon completion of the pressure instrument calibration, customers receive a comprehensive and traceable calibration certificate for each item fixed or tested, which informs you of the complete calibration results, stability control & any adjustments or repairs conducted.

Factors to Consider During Calibration of Pressure Instruments

Pressure instrument calibration is done using precise pressure calibrators. However, several factors can impact the calibration process and should be considered:

Accuracy Class - The maximum permissible error margin.

Pressure Media - Using the same media the pressure instrument attaches to is preferable.

Contamination - Dirt, moisture, or grease that can damage the pressure instruments and the calibrators.

Leak Testing - To check pressure leakage in any pipe system.

Readability - Ensuring the indication pointer falls on a major scale reading instead of landing between them.

Environmental Condition - The change in temperature or other surrounding conditions.

Calibration Uncertainty - The possible difference in the calibrated value.

Finding the Right Partner for Pressure Calibration

Now that you understand the significance of monitoring the calibration of your pressure instruments regularly, you can help guarantee that they continue to function reliably in your process.

Need help with your pressure calibration? Nagman can help. It offers a wide selection of precision pressure controllers, so if you're seeking high-quality, high-precision pressure calibrators, you've come to the correct spot. Nagman has the perfect one for you whether you are calibrating pressure devices in the field or the lab!

Benefits of Process Calibrators for Industrial Precision | Nagman Instruments

Process calibrators play a crucial role in ensuring the accuracy and reliability of industrial measurement and control instruments. As a leading provider of precision calibration solutions, Nagman Instruments offers a wide range of process calibrators designed to optimize industrial processes and enhance productivity. In this article, we explore the key benefits of Nagman's process calibrators and how they contribute to the success of various industries.

Enhanced Accuracy and Reliability:

Nagman's process calibrators are meticulously engineered to provide precise and consistent calibration results. By calibrating instruments such as pressure gauges, temperature sensors, flow meters, and transmitters, these calibrators ensure that measurements are accurate, minimizing errors and reducing the risk of costly downtime or production issues.

Time and Cost Savings:

With Nagman's process calibrators, calibration tasks can be completed quickly and efficiently. The intuitive user interfaces and advanced features streamline the calibration process, reducing the time and effort required. By minimizing manual intervention and automating calibration procedures, businesses can optimize their resources and achieve significant cost savings.

Compliance with Standards and Regulations:

In many industries, adherence to stringent quality standards and regulatory requirements is essential. Nagman's process calibrators help organizations meet these requirements by providing traceable calibration results. This ensures that instruments are calibrated within the specified tolerances, promoting compliance and enabling businesses to maintain a high level of operational integrity.

Flexibility and Versatility:

Nagman offers a diverse range of process calibrators that cater to different industries and applications. From handheld portable calibrators to advanced multifunction calibrators, their product portfolio provides options for various calibration needs. This flexibility allows businesses to choose the most suitable calibrator based on their specific requirements, ensuring optimal performance across diverse industrial processes.

Simplified Calibration Management:

Nagman's process calibrators often come equipped with advanced software for calibration management. These software solutions enable efficient tracking, scheduling, and documentation of calibration activities. By centralizing calibration data and generating comprehensive reports, businesses can maintain better control over their calibration processes, enabling improved decision-making and enhanced quality assurance.

Conclusion:

Nagman Instruments' process calibrators offer a range of benefits to industries that rely on precise measurements and controls. From increased accuracy and time savings to compliance with standards and simplified calibration management, Nagman's calibrators contribute to improved productivity, reduced costs, and enhanced operational excellence. By choosing Nagman Instruments as a trusted calibration partner, businesses can unlock the full potential of their industrial processes and ensure the highest level of accuracy and reliability in their measurements.

What is a Dead Weight Tester & How it works?

Every business that uses pressure instruments to monitor fluid and gas pressures and flow rates relies on accurately calibrating today's high-tech pressure measurement instruments. Pressure is a complex measurement discipline. And to have precise measurements, pressure gauge calibration is necessary. That's where pressure calibrators come in.

There needs to be a calibration kit for pressure gauges that is universally suitable for all users' needs. Pressure gauge calibration standards diverge substantially based on their uses and the setting in which they are utilized.

That’s why there are different types of pressure calibrators for different scenarios. For example, a dead weight tester, multifunction calibrator, or measuring gauge with a predefined accuracy can examine the accuracy of transmitters, sensors, transducers & pressure gauges.

Today, we will review what these dead-weight testers are and how they work.

Deadweight Testers - What are They?

The DWT - Dead Weight Tester is a pressure-monitoring system that helps maintain pressure by dividing the force's weight by its applied area. DWT offers excellent calibration accuracy for pressure gauges and guards against inaccurate pressure readings. 

Deadweight testers provide a quick and inexpensive approach to assess a range of pressure calibrations by utilizing calibrated weights to drive desired pressure ranges to a system under test. Adding a deadweight tester is important because the instrument may house all the technology necessary to create pressure, measure it & regulate it more precisely.

Pressure gauges, sensors, transmitters & transducers are just a few examples of the many pressure measurement devices that leverage it for calibration. Dead Weight Testers have become the major standard for measuring pressure with stability, precision, and repeatability.

But where are they used? Let’s take a look.

Deadweight Testers - The Many Uses

A dead weight tester is sometimes referred to as a primary reference standard because it is thought to yield the most accurate findings due to the great degree of accuracy with which the weight mass & the radius of the piston cylinder are well-known.

When used incorrectly, a few factors can significantly affect the measurement uncertainty of a deadweight tester. It includes mistaken local gravity correction, loss of mass from scratches on the weights, loss of friction from improper upkeep of the piston cylinder assembly, measures taken without spinning the weights, and failure to guarantee that the base is horizontal.

Today, standards laboratories mainly utilize dead-weight testers to offer a reference standard for pressure calibration needs.

So, How Does it Work?

A DWT (Dead Weight Tester) is a pressure calibration tool that sets pressure setpoints precisely across a broad range of pneumatic or hydraulic pressures using metal baggage & piston parts.

Since pressure is computed by dividing the applied force by the surface area of the piston cylinder (P= F/A), the pressure produced by a deadweight tester is estimated by doubling the overall mass by the gravitational acceleration. 

A screwpress provides pressure, while a gas monitor is used for pneumatic methods. The allocated pressure is obtained when the weights are lifted to a floating position using the screwpress or regulator.

To be precise, the letters P, F, and A stand for the reference pressure in pascals (Pa), the force acting on the piston in Newtons (N), and the effective area in square meters (m2).

Most applications requiring calibration fall within the 0–2500 bar pressure range. On the other hand, Deadweight testers can measure pressures up to 10,000 bar. This calibrating device has a high accuracy range of 0.005% to 0.1%.

Modern dead weight tests can offer cutting-edge physical compensation and are highly accurate and sophisticated. They can create an intelligent calibrator device that can register all important environmental variables, improve reading accuracy, and automatically adjust readings precisely.

The Bottom Line

Accurately adjusting and quantifying an instrument's pressure is the main advantage of using a Dead Weight Tester. The Dead Weight Tester also offers the most precise and affordable option for calibrating additional pressure systems/measuring unknown pressure when high precision is needed.

At Nagman, we have the best dead-weight testers of the highest caliber. Our top-notch calibrators are simple and efficient when fine-tuning or making adjustments. Are you looking for top-notch calibrators? Feel free to browse our products to find the best fit for your needs!