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MISCO Refractometer |
Certified Refractometer Calibration Program.........................................................................................................The MISCO Certified Calibration program provides all the requirements for the confirmation of calibration accuracies for handheld refractometers and Abbe refractometers, and for the preparation and control of certified traceable measurement standards. The intention of this program is to minimize uncertainty of measurements and minimize the risk of refractometers producing results having unacceptable errors. Further, this program provides compliance with International Standard ISO 9000, ISO 10012-1:1992(E) and ANSI/NCSL Z540-1-1994. If you are unsure of the terminology used on this page, please read our definitions to familiarize yourself.
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The periodic calibration of refractometers is necessary to insure their continued accuracy and traceability. The calibration process insures that measurements made on a specific instrument will comply with predetermined specifications and will be repeatable anywhere in the world. Calibration is the act of establishing, under specified conditions, the relationship between values read on a refractometer and the corresponding values represented by a reference standard, and the subsequent adjustment of the refractometer to match those values. In the case of a refractometer, the reference standard is generally a fluid that has been prepared or standardized on instrumentation that is traceable to a nationally or internationally recognized source; alternatively, it may be a fluid such as distilled water that has accepted physical properties. Traceability relates individual refractometer results through an unbroken chain of calibrations back to a national standard, a fundamental physical property, international standards, or a consensus standard. At MISCO, we provide traceability back to the U.S. National Institute of Standards and Technology (“NIST”).
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Ordering the Proper Calibration for your Refractometer............................................................................................................................... |
To find the correct part number to order calibration for your MISCO refractometer:
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Level I Documentation............................................................................................................................... |
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SPECIAL OFFER: Now receive a 75% discount on Level I calibration when ordering a new MISCO refractometer. Level I Certification fulfils the documentation and certification requirements of most quality control programs and is the form most often ordered. It is designed for those companies that are concerned with instrument precision but are not burdened by regulatory requirements for additional documentation. All Level I certified calibrations from the MISCO calibration laboratory come with a printed certificate containing the following information:
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Level II Documentation............................................................................................................................... |
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Level II Certifications are for those companies that strictly adhere to the documentation requirements of ISO/IEC 17025. All Level II Certifications will receive a certificate with the Level I information together with additional pages including the following:
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Calibration Intervals - How often should I calibrate?............................................................................................................................... |
How often a refractometer needs to be confirmed/calibrated depends on how quickly it drifts out of tolerance. This depends primarily on the conditions in which it is used. Calibration/verification intervals should be established for refractometers based on your experience and on a statistical analysis of confirmation results, proficiency tests, and gauge R&R studies. Additional considerations should be given to the importance of their accuracy to your operation, how frequently they are used, and how roughly they are handled. Instruments used in environments where there are extreme temperatures, wide temperature fluctuations, humidity or pressure variations, high condensation, dirt, dust and other debris will require more frequent intervals of field confirmation/calibration. In the absence of empirical data, it is generally agreed that a traditional refractometer should be frequently field calibrated at least at one point on the scale. Additional calibration/confirmation checks may be necessary if the instrument is dropped, subjected to rough handling, or is subjected to conditions of extreme temperature cycling. Digital instruments should be calibrated to water daily. It is further recommended that a certified traceable calibration be done at minimum on a yearly basis. Having a traceable calibration performed once a year decreases measurement uncertainty and establishes a baseline upon which field confirmation/calibrations are subsequently made. It also ensures that every instrument will be checked by a specially trained technician at least once a year. An annual traceable calibration is NEVER a substitute for frequent field confirmation/calibrations.
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Why Choose MISCO Calibration Laboratory?............................................................................................................................... |
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The overall accuracy of a refractometer's measurement is dependant upon the quality and calibration of the instrument. Uncertainty in measurement results can be kept to a minimum by controlling calibration related factors such as environment, reference material, comparison instrumentation, and training of personnel. MISCO Offers:
Refractometers are outside the scope of most third-party calibration houses. Those that can test refractometers can usually only tell you only how far out of calibration your refractometer is at the zero point. They do not have the equipment, software or product knowledge required to actually recalibrate your instrument. This is specifically true of the Palm Abbe and DFR, which can only be recalibrated at MISCO. Since refractometers are all we do at MISCO, we have the equipment and trained technicians available to fully recalibrate your refractometer. We are also a full-service repair facility for refractometers. Your refractometer can receive preventative maintenance, calibration, and repair all at the same facility. Again, because refractometers are all we do, you will be assured that your instrument will receive the proper care. No one else can offer this value. We are established experts in the field of refractometer manufacturing, repair, and calibration.
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Quality Policy............................................................................................................................... |
The entire management and staff of MISCO is dedicated to the complete satisfaction of each customer's needs by providing our full personal attention and the highest professional standards. Our key commitment is to consistently exceed our customers' expectations, with respect to the quality of our refractometers and services, at all levels of our organization. The objective of the certified calibration program is to assure the highest standards of conformance of supplies and services and provide for prevention of inaccuracy by the ready detection of deficiencies and timely positive action for their correction.
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