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Standard No.	Title	Price(USD)	Delivery	Status	Add to Cart
GB/T 26831.1-2011	Society energy metering for reading system specification - Part 1: Data exchange	$750.00	via email in 1~3 business day	valid,,2011-12-1
GB/T 26831.2-2012	Society energy metering for reading system specification. Part 2: Physical and link layer	$420.00	via email in 1~5 business day	valid,,2013-2-15
GB/T 26831.4-2017	Specification for reading system of energy metering in community―Part 4:Wireless meter readout	$750.00	via email in 1~5 business day	valid,,2018-2-1
GB/T 26831.5-2017	Specification for reading system of energy metering in community. Part 5: Wireless relaying	$810.00	via email in 1~5 business day	valid,,2018-2-1
GB/T 26831.6-2015	Society energy metering for reading system specification―Part 6:Local bus	$100.00	via email in 1~3 business day	valid,,2016-4-1
GB/T 26862-2011	Test specification for synchrophasor measurement unit for power systems	$315.00	via email in 1~3 business day	valid,,2011-12-1
GB/T 28030-2011	Earth continuity tester	$480.00	via email in 1~5 business day	valid,,2012-2-1
GB/T 28879-2022	Nomenclature of model for electrotechnical instruments	$315.00	via email in 1~5 business day	valid,,2023-5-1
GB/T 2974-1982	Testing methods for industrial thermocouple wires	$260.00	via email in 1~3 business day	abolished2005-10-14 ,,1982-1-2
GB/T 30109-2013	AC Loss Measurements - Total AC Loss Measurement of Round Superconducting Wires Exposed to A Transverse Alternating Magnetic Field at Liquid Helium Temperature by A Pickup Coil Method	$450.00	via email in 1~3 business day	valid,,2014-5-15
GB/T 31470-2015	Standard practice for determination of the specimen area contributing to the detected signal in Auger electron spectrometers and some X-ray photoelectron spectrometers	$160.00	via email in 1~3 business day	valid,,2016-1-1
GB/T 31472-2015	Standard guide to charge control and charge referencing techniques in X-ray photoelectron spectroscopy	$220.00	via email in 1~3 business day	valid,,2016-1-1
GB/T 31493-2015	Technical requirements for digital audio video analyzer	$160.00	via email in 1~3 business day	valid,,2016-1-1
GB/T 31983.11-2015	Narrow band power line communication over low-voltage mains―Part 11:3 kHz to 500 kHz frequency bands and classifications,limits of output level and electromagnetic disturbances	$340.00	via email in 1~5 business day	valid,,2016-4-1
GB/T 31983.31-2017	Narrow band power line communication over low-voltage mains―Part 31:Narrow band orthogonal frequency division multiplexing power line―Communication physical layer specification	$80.00	immediately	valid,,2017-12-1
GB/T 32191-2015	Leakage current tester	$370.00	via email in 1~5 business day	valid,,2016-7-1
GB/T 32192-2015	Withstanding voltage tester	$460.00	via email in 1~5 business day	valid,,2016-7-1
GB/T 33708-2017	Static meter for direct current energy	$160.00	immediately	valid,,2017-12-1
GB/T 3386-1988	Methods of evaluating the performance of electrical and pneumatic analog recorders and indicators for industrial-process measurement and control systems	$220.00	via email in 1~3 business day	superseded,2008-5-1,1989-1-1
GB/T 3386.1-2007	Electrical and pneumatic analogue chart recorders for use in industrial-process control systems—Part 1:Methods for performance evaluation	$220.00	via email in 1~3 business day	valid,,2008-5-1
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