Accréditations
     
  Humidité relative Michell Instruments offers a wide range of humidity and temperature measuring sensors and instruments, including relative humidity transmitters, humidity and temperature transmitters, handheld indicators and humidity generators.

To read PDF files you will need Adobe Acrobat Reader
     
     

Quality

BSI BSI Certificate ISO 9001:2008
Michell Instruments Limited UK, has been awarded registration to BS EN ISO9001:2008.

These prestigious accreditations and registration give Michell Instruments Ltd a unique position within the field of hygrometry - independently audited and commended by National Bodies on both quality and calibration.

View Certificate


Calibration

UKAS
UKAS Accreditation Certificate
UKAS Schedule of Accreditation		 UKAS
At Michell Instruments Limited UK, we understand and endorse the need to conform to recognised standards for quality and calibration. Our calibration laboratory maintains full traceaility to British (NPL) and American (NIST) Humidity Standards.

Michell Instruments Limited UK, has been accredited to UKAS (United Kingdom Accreditation Service) for the calibration of dew point hygrometers since 1986 (laboratory number 0179) and our current dew point calibration range is -90 to +90°C. For full details of our measurement capability please see our Schedule of Accreditation. Our traceability to NIST (National Institute of Standards & Technology) is over the range -75 to +20°C.

Michell Instruments Limited UK has been awarded UKAS accreditation for the calibration of relative humidity instruments. The accreditation covers the relative humidity range 10 to 98 %RH at temperatures from 10 to 90°C

As a result of the European Accreditation (EA), our UKAS accreditation carries equal validity in any country which is a member of the EA.



NVLAP

Michell's UKAS accreditation is commonly recognised in the USA as equivalent to NVLAP (National Voluntary Laboratory Accreditation Program) accreditation.



Hazardous Area Certification

Hazardous Area Michell’s Cermax IS Portable Hygrometer is ATEX certified by Baseefa (2001) Ltd for use in hazardous areas to  II 1G EEx ia IIC (155°C) T3 and conforms to European Standards EN 50 014 and EN50 020. Cermax IS is also FM listed and CSA (Canada) approved.

Transmet IS is ATEX certified by EECS for use in hazardous areas to  II 1G EEx ia IIC T4 (in accordance with EN50 284, EN50 014 and EN50 020) when used in conjunction with isolation barriers for both signal and power supply connections. Certificate No: BAS01ATEX1240X, System 2: Baseefa 03Y0366, System 1: Baseefa 03Y0365X.

Both Condumax and Promet Analyzers are ATEX certified for Zone 1 and 2 hazardous area operation.

  • Cermax IS ATEX Certificate (PDF file, 161Kb)
  • Cermax CSA Certificate (PDF, 235Kb)
  • Cermax FM Certificate (PDF file, 231Kb)









    • Regional Approvals

    CE

    CE Conformity


    All our products have been certified in accordance with the EC declaration of conformity which covers the Low Voltage Directive and EMC Directive 89/336/EMC as amended by Directive 92/31/EEC.



    Chinese Pattern Approval and Import Testing in China


    The use of equipment for calibration and measurement purposes in China is governed by the General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China. Under this Bureau the Department of Metrology polices the laws that state that such equipment must be approved for use. This is called the Pattern Approval Certificate.

    Michell Instruments has attained Pattern Approval on a selection of its product range. Additionally any products imported into China for calibration and measurement purposes must have their accuracy verified. Michell Instruments can assist with this import test check via approved laboratories in China thus ensuring that the Chinese laws and regulations on metrology are complied with.

    Pattern Approval is not to be confused with CCC (China Compulsory Certification) which is a new regulation which covers mainly domestic electrical goods, power tools and certain electrical devices.

    CPA application used to be a very complex and expense process for all import instrument to China market; however, since 2006, China government has lifted the regulation upon most instrument categories like humidity, temperature ect, thus now there is no further need for CPA approval for our new products like S8000.



    Russian Pattern Approval


    For the Russian market Michell Instruments' products have been certified by GOST. This certification consists of a Conformity Certificate, which certifies that the instruments are built to the required standard and a Pattern Approval, which certifies that the metrology techniques are satisfactory.

    All products designed for use in Hazardous areas (Condumax, Cermax IS, Transmet IS) have Ex. Approval. In addition, the Russian market requires GosGorTechNador permission, which is an industry based approval for hazardous areas.







    Kazakhstan Institute of Metrology






    Turkmenistan Metrology Type Approval






    Ukraine Ex Certification




    Memberships

    CE bcas
    British Compressed Air Society Membership (2MB)