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This document specifies a chemical method for technicians working with total reflection X-ray fluorescence (TXRF) instrumentation to perform measurements of water samples, according to good practices, with a defined degree of accuracy and precision. Target users are identified among laboratories performing routine analysis of large numbers of samples, which also conform with ISO/IEC 17025. This…

IEC 60684-3-281:2025 gives the requirements for two types of heat-shrinkable, polyolefin sleeving, semiconductive, with a nominal shrink ratio of 3:1. This sleeving has been found suitable for use up to temperatures of 100 °C. -Type A: Thin wall - Internal diameter up to 195,0 mm typically -Type B: Medium wall - Internal diameter up to 120,0 mm typically This sleeving is normally supplied in…

1 Scope 1.1 Inclusions This Standard applies to the construction, materials, performance, and testing of NPS 1-1/4 in (32 mm) and smaller self-acting service-type regulators with overpressure protection devices utilized to control the pressure of gas delivered to a customer’s piping at a delivery pressure of 2 psi (14 kPa) or less. 1.2 Temperature ratings This Standard includes regulators…

1 Scope 1.1 This Standard applies to solid-state circuit breakers (SSCBs) and solid-state hybrid circuit breakers (SSHCBs) using semiconductor switching technology intended for applications where overcurrent protection complies with CSA C22.1. 1.2 This Standard applies to a) solid-state circuit breakers (SSCBs) and switches (SSCSs) with air gap isolation; and b) solid-state hybrid circuit…

1 Scope 1.1 Inclusions This Standard covers three-phase, alternating current, salient pole synchronous machines 150 kW and up, 200 V to 13 800 V, at rated machine frequencies, and can assist in verifying the machine efficiency has been maintained. Note: This Standard can be useful and applied with discretion to products outside the scope of this Standard. 1.2 Exclusions Large 2-pole and 4-…

1 Scope 1.1 General This Standard applies to the performance, durability, and safety of packaged and custom solar domestic hot water (SDHW) systems that use liquid-to-liquid heat transfer and liquid heat storage media. 1.2 Application This Standard applies to the components and materials supplied by the manufacturer/designer, the assembly and installation instructions, and the operation of…

1 Scope 1.1 Cleaning and disinfecting of HCFs This Standard applies to the cleaning and disinfecting of HCFs providing health care services including, but not limited to, inpatient services or outpatient services. It applies to all facilities, public or private, that provide health care treatments, health-related services, or diagnostic testing services, regardless of type, size, location, or…

1 Scope 1.1 This Standard applies to electric vehicle energy management system(s) (EVEMS) product, sub-assemblies of matched assembly systems, and associated software, that provide functional safety control of electrical parameters intended to permit a demand factor to be applied to a calculated load for electric vehicle power transfer system equipment (EVPTSE), rated 1000 Volts ac or 1500…

1 Scope 1.1 General This Standard applies to electric supply and communication lines and equipment that, in the exercise of their function as a utility, are located a) entirely outside of buildings; b) outside of indoor and fenced supply stations; or c) inside buildings or sections of buildings where they are employed by a utility of i) an electric system; ii) a communication system;…

1 Scope 1.1 General This Standard applies to the lines and equipment associated with underground electric supply and communication systems located a) entirely outside of buildings; b) outside of indoor supply stations and fenced outdoor supply stations; or c) inside buildings or sections of buildings where they are employed by a utility of i) an electric system; ii) a communication…