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ISO 22158
Input/output protocols and electronic interfaces for water meters - Requirements
Edition
2011-05
NF C44-059-31-1 ; NF EN 62059-31-1:2009-01-01
Electricity metering equipment - Dependability - Part 31-1 : accelerated reliability testing - Elevated temperature and humidity
Edition
2009-01-01
NF C44-470-1 ; NF EN 50470-1:2007-02-01
Electricity metering equipment (a.c.) - Part 1: general requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
Edition
2007-02-01
NF C44-059-32-1 ; NF EN 62059-32-1:2012-08-01
Electricity metering equipment - Dependability - Part 32-1 : durability - Testing of the stability of metrological characteristics by applying elevated temperature
Edition
2012-08-01
NF C44-470-1/A1 ; NF EN 50470-1/A1:2018-12-07
Electricity metering equipment (a.c.) - Part 1: general requirements, tests and test conditions - Metering equipment (class indexes A, B and C)
Edition
2018-12-07
ISO/TS 4240-1
Fine bubble technology - Environmental applications - Part 1: Inspection method using online particle counter in dissolved air flotation (DAF) plant
Edition
2023-03
OVE EN 62052-31
Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 31: Product safety requirements and tests (IEC 62052-31:2015) (german version)
Edition
2017-08-01
SN EN 62052-21+A1
Electricity metering equipment (AC) - General requirements, tests and test conditions - Part 21: Tariff and load control equipment
Edition
2017-02
SN EN 12405-1
Gas meters - Conversion devices - Part 1: Volume conversion
Edition
2021-10
BS EN 50470-2+A1
Electricity metering equipment (a.c.) - Particular requirements - Electromechanical meters for active energy (class indexes A and B)
Edition
2006-12-29
