Physical Address
304 North Cardinal St.
Dorchester Center, MA 02124
Standard Overview: IEC 61274 specifies the design, dimensions, materials, performance requirements, and test methods for polyethylene (PE) adapter fittings used to connect PE pipes to metal flanges, threaded connections, or other piping systems. This standard is critical for achieving reliable…
Standard Overview: IEC 61275 specifies the design, performance requirements, and test methods for radiation protection instrumentation used for in-situ gamma spectrometry of radionuclides. The standard covers portable gamma spectrometer systems employed in environmental radiation monitoring, nuclear facility perimeter surveys, and…
Standard Overview: IEC 61277 specifies design qualification procedures and type approval requirements for terrestrial photovoltaic systems. The standard covers design evaluation methods for stand-alone PV systems, hybrid PV systems, and grid-connected PV systems, serving as the foundational standard for ensuring…
💡 Standard Scope: IEC 61266 “Ultrasonics — Hand-held probe Doppler fetal heartbeat detectors — Performance requirements” is the foundational standard for fetal Doppler auscultation devices. It specifies performance requirements, test methods, and declaration specifications for continuous-wave (CW) Doppler fetal heart…
Standard Overview: IEC 61267 establishes standardized methods for radiation dose determination in medical X-ray equipment, covering diagnostic X-ray systems, radiotherapy simulators, and computed tomography (CT) scanners. This standard is a critical reference document for ensuring patient and operator radiation safety.…
Standard Overview: IEC 61268 specifies technical requirements, test methods, and acceptance criteria for static (electronic) var-hour meters used for reactive energy measurement in AC circuits. This standard serves as the foundation for reactive energy metering and power factor management in…
⚠️ STANDARD WITHDRAWN — This article is provided for technical reference and historical context only. Standard Overview: IEC 61269 was an early standard for analog input instruments in industrial-process measurement and control, defining performance evaluation methods and test procedures for…
💡 Standard Context: IEC 61261 “Medical electrical equipment — Dosimeters with ionization chambers for radiotherapy” is one of the most critical radiation dosimetry standards in radiotherapy. It specifies performance requirements, calibration methods, and usage protocols for cavity ionization chamber dosimeters…
💡 Standard Background: IEC 61262 “Medical electrical equipment — Characteristics of electro-optical X-ray image intensifiers” defines performance characteristic definitions and measurement methods for X-ray image intensifiers (XRII), including conversion factor, luminance distribution, contrast ratio, resolution, and modulation transfer function (MTF).…
💡 Standard Scope: IEC 61263 “Medical electrical equipment — Characteristics of gamma ray imaging detectors” specifies performance measurement methods for scintillation detector assemblies used in Anger-type gamma cameras and SPECT systems, including energy resolution, spatial resolution, uniformity, and count rate…