Standards World

IEC 61788-26:2020 pdf free download - Superconductivity 1 Scope This part of lEC 61788 specifies a test method for determining the DC critical current of shortRE(rare earth)-Ba-Cu-O(REBCO) composite superconductor specimens that have a shape ofstraight flat tape.This...

IEC 61788-17:2021 pdf free download - Superconductivity 5.1 Measurement equipment Figure 1 shows a schematic diagram of a typical electric circuit used for the third-harmonicvoltage measurements. This circuit is comprised of a signal generator, power amplifier, digitalmultimeter...

IEC 61788-4:2020 pdf free download - superconductivity 5.3Cryostat for the resistance ( R ) measurement The cryostat shall include a specimen support structure and a liquid helium reservoir formeasurement of the resistance R,.The specimen support structure shall...

IEC 61788-4:2011 pdf free download - superconductivity 5.3Cryostat for the resistance，R2,measurement The cryostat shall include a specimen support structure and a liquid helium reservoir for theresistance，R2,measurement. The specimen support structure shall allow the specimen,which is mounted on...

IEC 61547:2020 pdf free download - Equipment for general lighting purposes- EMC immunity requirements Tests are applied to the relevant ports of the equipment as indicated in the respective clauses.For the purposes of this document,DC power ports...

IEC 61468:2000 pdf free download - Nuclear power plants -ln-core instrumentation - Characteristics and test methodsof self-powered neutron detectors 1 Scope and object This International Standard applies to in-core neutron detectors and instrumentation which aredesigned for purposes...

IEC 61326-1:2020 pdf free download - Electrical equipment for measurement,control and laboratory use - EMC requirements 4General Equipment and systems within the scope of this document can be subjected to various kindsof electromagnetic disturbances,sources of which include...

IEC 61083-1:2021 pdf free download - Instruments and software used for measurements in high-voltage andhigh-current tests 5.2lmpulse calibration lmpulse calibration is the reference method to establish the impulse scale factor of approveddigital recorders. lt is also the...