Tất cả bài viết về Hiệu chuẩn áp suất
Performing high-pressure calibration
Learn about viscosity, compressibility, head pressure, safety, fluid compatibility, pressure stability, fitting & tube selection, & reference standards.
Technology and Automation in Modular High-Pressure Controllers
Learn how a modular high-pressure controller / calibrator system can increase accuracy & pressure range while enabling automation & future proofing your lab.
The Truth About Height Based Pressure Units
When does height equal pressure? Well the simple answer is it doesn't, but more on that later. A less simple answer is that height based pressure unit standards for manometers have evolved significantly over time. This has left an interesting legacy that you need to be aware of if you calibrate pressure instruments using height based units.
Replacing a DPI 515 with the 6270A Modular Pressure Controller/Calibrator
See the benefits of upgrading from the Druck DPI 515 to the Fluke 6270A & learn steps for configuring & installing the 6270A. Get the details here.
Contamination: is this hidden hazard threatening your pressure lab?
If you measure or calibrate pressure in the real world, you are at risk for contamination. And contamination can cause problems that you don’t even want to think about. A manufacturer in the aerospace industry found that out when they used their air system to calibrate a gauge that had water in it, then used it to calibrate another device that was supposed to be “dry and air pure.”
Flowmeter calibration: Five best practices you need to know
In this blog post by Fluke Calibration, see the 5 best practices for calibrating flow meters to ensure optimal flow meter performance. Read here.
Is it time to replace that mercury thermometer?
Do you work outdoors where potentially explosive gases might be present, or do you work on the floor of a processing plant? If so, you need a reference thermometer designed to go where you work.
Selecting Connecting Tubing and Hardware for a Pressure Calibration
There is a lot to consider when deciding how to connect the DUT to the reference. Here is what I like to think about when getting ready to design a pressure circuit.
Zeroing at barometric pressure, at the local airport
If you don’t have a barometer, it might seem reasonable to use the barometric pressure value provided by a weather reporting service or from a regional airport. Before you make a choice like this, however, you should understand a few things about barometric pressure and how it is reported.
How a pressure balance works
When we use a pressure balance, we are looking for the equilibrium between a downward force and an upward force. The downward force is that of a mass being accelerated by gravity
Performing Quality Draft Range Pressure Measurements
Measurements at very low differential pressures, sometimes referred to as the “draft” pressure range, can be some of the most difficult pressure measurements to make.
You Could Benefit from Pressure Calibration Automation Software More Than You Know – Here are Four Key Ways to Decide if it’s Right for Your Lab
One can make an argument that using a pressure controller such as the 6270A or the 2271A, which you command to set a desired test pressure and maintain it without manual interaction, is automation. Beyond this, you can reap many additional benefits by automating more of the process using calibration software.
Commonly Asked Questions about the 8270A and 8370A High-Pressure Controllers
Get answers to common questions about the safety of a high-pressure supply & the capabilities of the Fluke 8270A/8370A High-Pressure Controller/Calibrator.
Despite changes to the SI, don't throw away your fixed points
Have recent changes to the SI got you wondering what you need to change? See our recommendations including one to keep those fixed-point cells for a while.
How to add a mobile calibration lab to your business
Read the 8-step guide for utilizing mobile lab calibration equipment to ensure accurate and reliable results. From selecting the right tools to performing the calibration, we detail the steps to keep manufacturing running.
How to calibrate a pressure transmitter at the bench
See the benefits of calibrating pressure transmitters at the bench vs the field, see what equipment is needed, and get step-by-step procedures.
Six reasons why a pressure controller/calibrator might be the right solution for your pressure calibration application
Read more about why you a pressure controller/calibrator fits the needs of your pressure calibration calibrator and watch our vide about the 6270A Pressure Controller/Calibrator.
Pressure comparators and digital reference pressure gauges vs deadweight testers
Learn the pros and cons of calibrating your pressure workflow with a deadweight tester vs pressure comparator with a reference gauge. Get the details here.
Guide to determining pressure measurement uncertainty for PM200, PM500 and PM600 Pressure Measurement Modules
Fluke Calibration produces the broadest range of electrical, RF, temperature, pressure & flow calibration instruments & software that help measurement professionals around the globe.
How to calibrate your PT100 temperature sensor and other probes in-house
Learn 3 ways to calibrate a PT100 and a basic, 5-step procedure. Also discover how to bring calibration in house along with the benefits and challenges.
Performing Precise Pressure Calibrations May Cost Less Than You Think
A key advantage of deadweight testers is that all of the hardware required to generate pressure and precisely control and measure it can be contained within the instrument. On-board hand pumps are offered on Fluke Calibration Pressurements deadweight testers to generate vacuum or air pressure, or to prime higher pressure hydraulic systems
Digital and Analog Pressure Gauge Calibration Tips
Analog pressure gauges are still widely used because they are relatively inexpensive and can do the job for many applications. Digital pressure gauges may be more expensive than an equivalent analog gauge because they are generally more accurate due to the nature of the display and the technology behind it.
What to look for in a pressure gauge calibration standard? It depends.
The only way to fully answer that question is to dig deeper into the details of your specific workload. There are a lot of variables that effect the pressure calibration standard you choose. The following is a list of key questions that can guide you to choosing the best pressure calibration standard for your application.
COMPASS for Pressure Application Notes
Application notes are provided as a guide to solving specific testing and automation problems. They are not intended to replace product documentation
Three Reasons to Consider a Modular Pressure Control System
Learn the most common reasons why someone might upgrade to a modular pressure control system for their existing calibration standards.
How End-of-Life Calibrators Can Help You Upgrade to the Newest Technology and Reduce Production Risks
Owning an end-of-life calibrator presents risks to your business or workflow & can prevent you from leveraging the latest technology. Learn more here.
Pressure Gauge Calibration without Contamination
How to use the 700HPPK Pneumatic Pressure Pump to supply pressures up to 3000 psi in the field to calibrate pressure gauges without liquid contamination.
How to calibrate a pressure transmitter on the bench
Calibrate pressure at the bench to ensure the calibrations are effective and don't result in degraded performance. See other reasons and the steps here.
Three keys to bringing pressure calibration in house
If you outsource pressure calibration, you may benefit by bringing it in house. Read 3 things to consider when bringing pressure calibration in-house.
Mixing fluids in a high-pressure calibration without fear of contamination
See two options for mixing fluids in a high-pressure calibration without fear of contamination. Read the short blog post by Fluke here.
How to calibrate at the bench with a deadweight tester
See the 6 steps on how to calibrate a dedweight tester at the bench. Use a deadweight tester at the bench when accuracy and reliability are top requirements.
Choosing the Right Pressure Standard Selection Guide
Choosing the right standard for the right calibration workload is essential to ensure the quality and efficiency of your calibrations. This document explains the different types of pressure standards available, what their benefits and drawbacks are, and provides example workloads.
Replacing PACE 6000 with the 6270A Modular Pressure Controller/Calibrator
See the benefits of upgrading the GE Druck PACE 6000 to the Fluke 6270A & learn steps for configuring and installing the 6270A. Get the details here.
Replacing PACE 5000 with the 6270A Modular Pressure Controller/Calibrator
This application note summarizes some of the benefits of upgrading to the 6270A, as well as detailing the steps for configuring and installing the 6270A as a replacement to the PACE 5000.
Pressure Controller Replacement Resource Center
This Resource Center is designed to help you easily see which Fluke Calibration pressure controller is the recommended replacement for your existing older controller.
Six questions to ask before you choose a pressure calibration solution
Fluke Calibration produces the broadest range of electrical, RF, temperature, pressure & flow calibration instruments & software that help measurement professionals around the globe.
Replacing your old pressure controller? Here are five things you should know.
It's obsolete and the manufacturer doesn't support it anymore.
Modularity in pressure calibration systems
Read this free app note to learn the benefits of modular pressure calibration systems over monolithic & learn how to assess what modular system fits you best.
Three excellent reasons to choose a modular pressure calibrator over a more traditional solution
A modular pressure controller / calibrator is likely best if you calibrate a wide work load, your work load changes, or you can’t afford downtime. Learn more.
Pressure calibration specifications - A rude awakening!
Compared to electrical calibration, my introduction to pressure calibration was a rude awakening! In pressure calibration, specifications sometimes refer to the “m” and sometimes to the “b”, sometimes together but not always. Plus there are terms that are unique to each manufacturer. Having said that, there are reasons for all of this
What else is needed to complete the pressure calibration solution?
See "Are pressure generation and control required?" and specific product specifications to determine what is needed. Most needed hardware can be found in the Pressure calibration accessories section.
Are pressure generation and control required?
Most calibration procedures require comparison of the device under test (DUT) and calibration standard at multiple pressure points across the DUT’s range.
What are the pressure range and test medium of the device to be tested?
Once you know which categories of instruments will meet your measurement uncertainty needs and will operate in your environmen
2 guidelines to make sure the pressure calibration equipment you're buying fits your needs
If you are purchasing a calibrator to calibrate pressure measurement devices, follow these 2 simple steps to ensure you get what you need.