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Information about keeping your instruments running accurately

Archive, August 2015. Switch to list view

    Posted by on in Environmental Monitoring

    Carbon dioxide, in hazardous amounts, can displace oxygen in the air and cause suffocation. The gas can accumulate in confined places or low-lying areas, especially those without sufficient ventilation. Monitoring the presence and level of carbon dioxide is necessary to prevent exposure leading to irreversible health effects.

    b2ap3_thumbnail_Gas_DetectorCalibration.gifMiners, greenhouse workers, cryogenics lab workers, and marine vessel operators are among those who may regularly use CO2 gas detectors or carbon dioxide meters.

    Yet, even with CO2 detectors, you may get inaccurate readings. These can come from:
    ·    Normal degradation of sensors over time
    ·    Exposure to extreme temperature and humidity conditions
    ·    Exposure to a high levels of the gas
    ·    Harsh storage and handling conditions (such as being dropped or submerged in liquid)

    Ensure safety by having your gas detector calibrated by factory-trained technicians to verify proper operation. That’s the best way to ensure you and your workers are protected.

    InnoCal is the factory-authorized service center for MSA and Sperian gas detector calibrations. Our specially trained technicians test your gas detector with a known concentration of gas.

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    Posted by on in Electronics

    In calibration circles, NIST traceability is a must-have for reliable accuracy. Why? The National Institutes of Standards and Technology (NIST) develop and maintain national standards for measurement quantities.
     
    b2ap3_thumbnail_Peter_Sittinger_20150824-183655_1.gifMetrological traceability, according to NIST, requires the establishment of an unbroken chain of calibrations to specified references. Traceability, as defined by NIST, links the value and uncertainty of a measurement result with the values and uncertainties of each of the intermediate reference standards—and the highest reference standard to which traceability for the result of measurement is claimed.

    Bottom line? This means you can trust your calibration results when you are working with a lab that provides measurements traceable to NIST standards. Calibration labs and other organizations are responsible for establishing the traceability of their own results to those of NIST or other specified references.

    At InnoCal, all of our standards are calibrated to national standards, primarily maintained by NIST. Our certificates include the statement “Measurements reported herein are traceable to SI units via national standards maintained by NIST” and contain measurement uncertainty to transfer NIST traceability to your equipment. 

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    Posted by on in Mechanical

    Magnetic stirrers are more sophisticated than ever. Some models offer a light as a visual warning to prevent lab workers from getting accidental burns. A “HOT PLATE” warning signal remains illuminated while the temperature is on and will flash if the stirrer is turned off—until the plate drops below 50°C. Some include a braking feature b2ap3_thumbnail_MagneticStirrer.gifthat brings the stir bar to a stop for quick flask removal.

    With these safety features, magnetic stirrers are even more lab-friendly. Yet, their key functionality is spinning or stirring the solution via the stir bar. Chemists and biologists rely on the efficiency of these stirrers to create homogenous samples.

    To keep magnetic stirrers up to speed, professional calibration may be necessary. Check your manufacturers’ instructions for calibration recommendations and intervals.

    Once your magnetic stirrers arrive in InnoCal’s ISO17025-accredited calibration lab, we’ll review your instructions, calibrate them as requested, and return them with a NIST-traceable certificate.

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    Posted by on in Environmental Monitoring

    When gas detectors display inaccurate readings, it puts you and your workers at risk. Perhaps you work around pipelines or tanks that emit gases. Or, you work in a confined space, an industrial plant, or in underground utilities. Regardless of the environment, if gases or vapors are escaping you need a detector that registers accurate readings.b2ap3_thumbnail_Gas-Detect_Environment_Industrial-433.gif

    Yet, readings can drift for many reasons, including:
    ·    Age of sensors, which normally degrade over time
    ·    Exposure to extreme temperature and humidity
    ·    Exposure to high levels of the target gases
    ·    Harsh storage and handling conditions (including being dropped or submerged in liquid)

    Ensure safety by having your multi-gas detector calibrated by factory-trained technicians to verify proper operation. Then, you are no longer left wondering if you or your workers may be exposed to dangerous gases.

    InnoCal's specially trained technicians test your gas detector with a known concentration of gas. Contact us for multi-gas detector calibration.

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    Posted by on in Air & Fluid Quantities

    Conductivity tests a solution’s ability to conduct electrical current and serves as a quick and simple indicator of water quality. Assessing the level of water purity via conductivity can help prevent contamination.

    b2ap3_thumbnail_WaterQuality_Conductivity.gif Water measured for conductivity comes from aquariums, waste streams, cooling towers, steam boilers, or laboratory research, among other applications.

    Conductivity meters are a common means of measuring conductivity. Most conductivity instruments are microprocessor based and don't drift. However, small physical changes to the cell can change readings over time.

    For best results, verify performance with certified calibration standards at regular intervals. Typically, multifunction calibrators, standards-grade reference multimeters, and precision resistors (per the manufacturer’s procedures) are used to calibrate conductivity and resistivity meters by a calibration service provider.

    In InnoCal’s ISO17025-accredited lab, your conductivity meter will be tested to the manufacturer’s accuracy or to those of your choosing. We maintain a full fleet of electronic calibrators, ISO Guide 34-accredited conductivity solutions.

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