Fibre optic interconnecting devices and passive components. Basic test and measurement procedures - Examinations and measurements. Wavelength dependence of attenuation and return loss of single mode components1 Scope This part of IEC 613003 describes the various methods available to measure the wavelength dependence of attenuation A() and return loss RL(), of single mode passive optical components (POC) used in fibre optic (FO) telecommunications. It is not, however, applicable to dense wavelength division multiplexing (DWDM) devices. Measurement methods of wavelength dependence of attenuation of DWDM devices are described in IEC 61300329. Definition of

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Contents of BS EN 61400-3:

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BS 6268 specifies a test method for evaluation of reaction torque and torque impulse from hand-held pneumatic tools for installing threaded fasteners and gives guidance on how measured data should be evaluated and presented

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The dimensions and methods provided by BS EN 60843-4 assist you in improving the performance and quality of the helical-scan digital video cassette recording system

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Who is BS EN 932-5 - common equipment