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Information about keeping your instruments running accurately

Archive, June 2014. Switch to list view

    Posted by on in Electronics

    Test time-varying currents or signals with oscilloscopes, which measure and observe changes in these electronic currents. The display on the instrument shows variations in currents from small to very large. For critical equipment and processes that rely on consistent signals, a well-functioning oscilloscope is a necessary troubleshooting instrument.b2ap3_thumbnail_Oscilloscope.gif

    Engineers, physicists, research scientists, mechanics, electronic technicians, and even health care workers use oscilloscopes for different purposes. Electronic design teams and test teams in the semiconductor, aerospace, and wireless industries employ these scopes to debug designs.

    According to Fluke, “any number of factors can lead to spurious signals that may cause equipment to suddenly drop out for no apparent reason. Some of these are equipment related, for example, defective circuitry, dry solder joints, dust or corrosion and overheating. Others such as main fluctuations and voltage spikes due, for example, to airco systems switching on, are related to the mains supply.”b2ap3_thumbnail_Fluke.gif

    Begin tracing the source with electronic test equipment such as benchtop or handheld oscilloscopes. Portable oscilloscopes now combine rugged portability with the performance of bench models. Measure input, output, and feedback signals to diagnosis the electronics. To keep your production powered and running properly, make sure your oscilloscopes and other test equipment are themselves taking accurate readings by maintaining regular calibration intervals.

    InnoCal can calibrate oscilloscopes up to 1.1 GHz. We also offer electronic calibration capabilities such as AC – DC Low VoltageHigh Voltage and Resistance and Temperature Simulation.

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    Posted by on in Mechanical

    Measuring the blood pressure in your body is an important indicator of your health. Similarly, assessing pressure in flow measurements and automatic control loops ensures that operating conditions are effective and efficient. Temperature, pressure, and flow are significant parameters for many process applications.

    b2ap3_thumbnail_PressureCalibrations.gifFrom pressure gauges to transducers to manometers to pressure meters, many formats are available for measuring pressure. Common to all of them, though, is the need for calibration to ensure the accuracy of their readings. Many manufacturers miss or extend calibration intervals on pressure instruments. For example, with a large volume of pressure gauges in operation, some may be overlooked. This puts the quality of the product being manufactured—and perhaps the safety of the plant operation itself—at risk.

    According to Fluke, pressure calibration is “the comparison of the output of a device used to measure pressure with that of another pressure measurement device, or pressure measurement standard. This usually involves plumbing the device under test to the standard device and generating a common pressure in the measurement circuit.”

    To maintain the integrity of your pressure measurements, check calibration intervals for each device and arrange for regular calibrations.

    InnoCal provides NIST-traceable calibration on nearly any pressure measuring or generating device--including pneumatic and hydraulic equipment. Our vast inventory of pressure calibrators allows us to test instruments in a shorter turnaround time. We respond whether you have one pressure calibrator or hundreds of pressure gauges or need on-site or off-site calibrations.

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    Posted by on in Mechanical


    For manufacturers, keeping production efficient and maintaining profitability are necessary to stay in business. Whether the process or production line stalls or completely shuts down due to equipment that is out of calibration, the costs add up. The equipment used to produce goods must be accurate and precise to reduce the risk of failures.

    Maintaining calibration intervals can be a type of preventative maintenance to ensure consistent accuracies. With regular calibration service that is NIST-traceable, the threat of production breakdowns diminishes.

    Equipment Calibrations for Manufacturers

    The following is a partial checklist of equipment that manufacturers’ use that may be due for calibration or should be part of a calibration program:
    o    Flow such as flowmeters, flow controllers, and flow calibrators
    o    Pressure including manometers, gauges, pressure meters, vacuum gauges, pressure calibrators, and more
    o    Electrical/electronics such as oscilloscopes, multimeters, clamp meters, power supplies, calibrators, megohmmeters, temperature controllers, panel meters, and more
    o    Temperature/humidity including transmitters and data loggers, freezers, ovens, thermocouples, RTDs, thermistors, PRTs, humidity recorders, thermohygrometers, and more
    o    Dimensional such as calipers, thickness gauges, indicators, and more
    o    Other: vibration meters

    For information on InnoCal’s solutions for manufacturers, call or 866-466-6225 or e-mail This email address is being protected from spambots. You need JavaScript enabled to view it.. InnoCal can also assist you in your lean efforts to reduce vendors.

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    Posted by on in Thermodynamics

    With 16 years of experience in metrology, Elaine Yonkus knows how to calibrate. Her specialties include liquid-in-glass thermometers, digital thermometers and systems, data loggers, sub sieve sizer tubes, and refractometers. To enhance her expertise, she recently added sound meter calibrations to her portfolio as well.

    b2ap3_thumbnail_Elaine_Yonkus_Image.gifElaine learned her craft from the ground up, beginning with glass thermometers, and has enjoyed seeing the end results of her work. “I like knowing that I may be helping people in the process,” she said. “Glass thermometers are used to regulate blood samples, to create sweet treats in bakeries and chocolate companies, and even to produce oil. It is fun to see where the next item I might be calibrating comes from.”

    While calibration is close to her heart so is traveling. “My passion is traveling wherever I can go. I also enjoy being outdoors, especially when it involves walking or golfing. And, of course, I delight in spending time with family and friends,” she said.

    For her calibration customers, Elaine strives to complete her thermometer calibrations as quickly as possible. She knows these are important instruments for most laboratory and process applications. Although sometimes it isn’t as simple as it seems, she puts her experience to work to deliver the best.

    Find out more about thermometer and temperature calibrations

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