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| National Proficiency Testing of Calibration for Illuminance Meter Class Ⅰ |
| JIANG Xiao-mei,MA Yan,YANG Chen-zhu,LIN Yan-dong,CHENG Yao |
| National Institute of Metrology, Beijing 100013, China |
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Abstract National Institute of Metrology had developed M0031 “Calibration for Illuminace Meter Class I” proficiency testing plan which was organized by China National Accreditation Service for Conformity Assessment. In the 103 calibration results given by 26 participating laboratories, 86 results are satisfied, 17 results are unsatisfied. Proficiency testing results are given and the improving suggestions are proposed.
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2011, Vol. 32 
