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Fluke Calibration Blog
Calibration Equipment & Standards and Calibration Software
4月 12, 2019
Why Technicians Calibrate at the Bench -
Technicians calibrate at the bench to ensure calibrations are effective and don’t result in degradation of performance. They ensure that all components are in good working order prior to installation, and can evaluate them when component failure is suspected. The bench provides a stable ambient environment for calibration, an opportunity to use the most accurate equipment, and protection from factory conditions during the commissioning, testing,...
10月 30, 2018
Thermocouples are common in industry because they are inexpensive and cover a wide temperature range. They should be tested during commissioning and again when removed from a process to verify that the tolerances were met. You’ll also want to test thermocouples at regular calibration intervals and if you suspect them of failing to meet performance specifications.
Because of their unique characteristics, it’s best to calibrate thermocouples in situ (in place) by comparison to a temperature...
9月 05, 2018
For nearly 30 years, Fluke MET/CAL® Calibration Management Software has played a significant role in automating the calibration process. Our asset management databases, MET/TRACK® (now discontinued) and the newer MET/TEAM® software help customers maintain, manage and report calibration and repair history and other asset data. All of that puts us in a unique position to propose the creation of a standard format for recording and sharing calibration data and building calibration software...
7月 24, 2018
Here’s how to do a simple comparison calibration of a probe-style RTD at one temperature point using temperature sensor calibration equipment, a dry-block calibrator in this case. Fully insert the probe RTD into one of the dry-block insert holes and connect the cable to an RTD temperature readout. Ramp the dry block to 100 ºC (212 ºF). When the dry-block display shows a stable 100 ºC, record the value of the RTD temperature readout. You now have one data point to compare...
7月 24, 2018
Dry-block calibrators are stable temperature sources for calibrating sensors such as dial thermometers, resistance temperature detectors (RTDs) and thermocouples.These sensors are used for process manufacturing in many industries.They need to be checked or calibrated periodically. Watch the How to Calibrate a Digital Thermometer with a Dry Block video for an example.
Since dry blocks are portable, fast, and clean (do not use fluids), they are popular for on-site sensor...
3月 20, 2018
If you’re in the market for an isothermal bath (temperature calibration bath), you may have already noticed that many suppliers provide technical specifications that are confusing or incomplete. You might only be able to find a performance spec for a single temperature point, not for the bath’s whole temperature range. Or they don’t say which bath fluid was used in testing.
An isothermal calibration bath is a significant investment so you need to get enough information – and the right...
2月 09, 2016
A temperature probe is typically ordered with a termination that matches the calibration equipment it will be used with. For example, a 5615 Secondary Standard PRT used with a 914X Field Metrology Well would be ordered with a type A termination (INFO-CON DIN 6-pin).
If you want to use this 5615 probe with a different readout like a 1524 Reference Thermometer that does not accept a type A termination, what do you do? Check out our Probe-to-Readout Adapter Guide » to see which adapter is needed....
1月 05, 2016
If one of your resolutions for the New Year is to learn something new, you will find many opportunities at Fluke Calibration to do just that. Some offerings are completely free, while other are more in-depth and carry a price tag.
Here is an overview of opportunities for learning at Fluke Calibration:
Fluke Calibration web seminars
This free web seminar program offers a robust schedule of courses where you will learn principles and practical tips about electrical, flow, pressure, RF and...
8月 25, 2015
To calibrate an industrial temperature sensor like a PRT, RTD, thermistor, or thermocouple, you put the sensor into a stable industrial temperature readout like a dry-well, furnace, or calibration bath, and then compare the sensor’s output to the output of a reference standard probe connected to a thermometer readout. There are many different types of reference standard probes and thermometer readouts, and many ways to combine them, so knowing what to purchase can be a little confusing. We can...
5月 28, 2015
Thermocouples are broadly used in many industrial and scientific applications. But it can be a bit tricky to understand how they work and how to calibrate them.
We've developed a thermocouple application note series created by temperature calibration experts to help you learn what you need to know. The series covers how thermocouples work, choosing calibration equipment, calculating uncertainties, and how to calibrate thermocouples.
There are four application notes in the series:
Thermocouple...