1 Scope [Replace this clause with the following] This Standard covers the electrical and mechanical characteristics of round wires of aluminium 1350-H19, having diameters of 1.25 to 6.50 mm, intended for stranding into overhead conductors to be used for

定价： 273元 / 折扣价： 233 元

1 Scope Interest in magnetic fields has been stimulated in recent years by concern over the physiological effects they may have on humans and animals and the deleterious effects they have on the performance of some electrical equipment, particularly vi

定价： 1183元 / 折扣价： 1006 元

1 Scope 1.1 This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically-driven, mechanical-compression type, water-to-air and brine-to-air heat pumps. The requireme

定价： 455元 / 折扣价： 387 元

1 Scope This technical report outlines principles which are intended to be used as the basis for determining the requirements for connecting large distorting loads (producing harmonics and/or interharmonics) to public power systems. The primary objecti

定价： 1456元 / 折扣价： 1238 元

1 Scope 1.1 This part of ISO 13256 establishes performance testing and rating criteria for factory-made residential, commercial and industrial, electrically-driven, mechanical-compression type, water-to-water and brine-to-water heat pumps. The requi

定价： 774元 / 折扣价： 658 元

1 Scope This technical report outlines principles which are intended to be used as the basis for determining the requirements for connecting large fluctuating loads (producing flicker) to public power systems. The primary objective is to provide guidan

定价： 1274元 / 折扣价： 1083 元

1 Scope This part of ISO 10079 specifies minimum safety and performance requirements for medical and surgical suction equipment (see Figure 1) for health care facilities such as hospitals, for domiciliary care of patients and for field and transport us

定价： 1001元 / 折扣价： 851 元

1 Scope This part of ISO 10079 specifies safety and performance requirements for manually powered medical suction equipment intended for oro-pharyngeal suction. It covers equipment operated by foot or by hand or both (see Figure 1). Non-electrical suct

定价： 637元 / 折扣价： 542 元

Update No.1 is included in the PDF 1 Scope [Replace this clause with the following] 1.1 This Standard specifies the electrical and mechanical characteristics of round wire concentric lay overhead electrical stranded conductors made of combinations

定价： 1047元 / 折扣价： 890 元

1 Scope This part of ISO 10079 specifies safety and performance requirements for medical suction equipment powered from a vacuum or pressure source (see Figure 1). In particular it applies to connections for pipelines and Venturi attachments. Suction

定价： 819元 / 折扣价： 697 元

1.1 This International Standard specifies requirements for pressure regulators and pressure regulators with flow-metering devices intended for the administration of medical gases in the treatment, management, diagnostic evaluation and care of patients. It

定价： 728元 / 折扣价： 619 元

1 Scope This European standard specifies requirements and test methods only for hoists and body support units intended for the transfer of disabled persons as classified in EN ISO 9999:1998: 12 36 03 Wheeled hoists with sling seats 12 36 06 Wheeled ho

定价： 1138元 / 折扣价： 968 元

CSA Preface This is the second edition of CAN/CSA-Z10651-2, Lung ventilators for medical use - Particular requirements for basic safety and essential performance - Part 2: Home care ventilators for ventilator-dependent patients, which is an adoption, w

定价： 1092元 / 折扣价： 929 元

1 Scope This clause of part 1 is replaced by: This standard deals with the safety of electric sewing machines for household and similar use, their rated voltage being not more than 250 V for single-phase appliances and 480 V for other appliances.

定价： 455元 / 折扣价： 387 元

CSA Preface This is the second edition of CAN/CSA-E60335-2-3, Household and similar electrical appliances - Safety - Part 2-3: Particular requirements for electric irons, which is an adoption, with Canadian deviations, of the identically titled IEC (In

定价： 774元 / 折扣价： 658 元