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BS EN 60318-3:2015 + Redline Tracked Changes. Electroacoustics. Simulators of human head and ear Acoustic coupler for the calibration supra-aural earphones used in audiometry
BS EN IEC 61265:2018 + Redline Tracked Changes. Electroacoustics. Instruments for measurement of aircraft noise. Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
BS ISO 20816-8:2018 + Redline Tracked Changes. Mechanical vibration. Measurement and evaluation of machine vibration Reciprocating compressor systems
BS ISO/CIE 28077:2016 + Redline Tracked Changes. Photocarcinogenesis action spectrum (non-melanoma skin cancers)
BS EN 62586-1:2017 + Redline Tracked Changes. Power quality measurement in power supply systems instruments (PQI)
BS EN 60404-5:2015 + Redline Tracked Changes. Magnetic materials Permanent magnet (magnetically hard) materials. Methods of measurement magnetic properties
BS EN IEC 62442-1:2018 + Redline Tracked Changes. Energy performance of lamp controlgear Controlgear for fluorescent lamps. Method measurement to determine the total input power circuits and efficiency
BS EN 62056-4-7:2016 + Redline Tracked Changes. Electricity metering data exchange. The DLMS/COSEM suite transport layer for IP networks
BS EN IEC 62056-6-2:2018 + Redline Tracked Changes. Electricity metering data exchange. The DLMS/COSEM suite COSEM interface classes
BS EN 50496:2018 + Redline Tracked Changes. Determination of workers' exposure to electromagnetic fields and assessment of risk at a broadcast site
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