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    Quality Service Organisation Pvt. Ltd.

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    68/3/1A, Bidhan Nagar Road, Kolkata, West Bengal, 700067, India

    033 23566199

    qso@vsnl.net, quality_org@yahoo.co.in

    Other Branches:

    N/A

    Also Listed In
    Discipline
    Related Labs
    Scope of Accrediation
    Mechanical | Calibration
    Instruments
    S.No. Instrument Name Range (to & from ) CMC (to & from )
    1 Verification of Uniaxial Testing Machines Class 1 (Tension)♣ 50 N To 50 kN 0.71 %
    2 Verification of Uniaxial Testing Machines Class 1 (Compression)♣ 100 N To 1000 kN 0.69 %
    3 Rockwell Hardness Tester♣ 20 HRA To 88 HRA 1.94 HRA
    4 Vickers Hardness Tester♣ 1 HV To 1 HV 5.18 %
    5 Brinell Hardness Tester♣ 2.5 HBW To 187.5 HBW 2.8 %
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    NOTE: All Symbols and their description

    * : Meaurement Capability is expressed as an uncertainty (±) at a Confidence probability of 95 %

    $ : Only in Permanent Laboratory

    ♣ : Only for Site Calibration

    # : The laboratory is also capable for site calibration however, the uncertainty at site depends on the prevailing actual environmental conditions and master equipment used

    Φ : Laboratory can also Caibrate instruments/devices of coarser resolution/ least count within the accredited range using same reference standard/ master equipment under the scope of accreditation



    Accrediation valid upto
    30-06-2020

    About Quality Service Organisation Pvt. Ltd.

    Quality Service Organisation (QSO) was established in 1988 as one of the first mechanical calibration labs in the country. The laboratory is situated in Kolkata, the capital of West Bengal. Since its inception the Quality Service Organisation has garnered enough trust and respect in the industry due to its on time result deliveries and one of the most precise calibration services in the country. The Quality Service Organisation has trained and expert personnel who have ample experience and have totally changed the face of calibration industry in India. The experts at the laboratory keep themselves abreast of the latest technical instruments and technology reforms around the globe. They manage to incorporate the best of the calibration methods to provide the best results to their consumers. The laboratory is modern and has state of the art infrastructure. Some of the services provided are mechanical calibration of various hardness testers etc.