IEC 61344-1996 PDF

Full title and description

IEC 61344:1996 — Radiation protection instrumentation — Monitoring equipment — Personal warning devices for X and gamma radiations. Applies to worn devices that give an indication of personal dose equivalent rate from X and gamma radiations (nominally 60 keV to 1.5 MeV) and, under specified conditions, for photon energies up to 10 MeV.

Abstract

This International Standard specifies measurement and performance characteristics, testing and operational guidance for personal warning devices (alarm-type dose-rate monitors) intended to indicate to the wearer the personal dose equivalent rate from penetrating X- and gamma-radiation fields. It is focused on portable/wearable alarm monitors rather than full personal dosemeters used for routine dose record-keeping.

General information

• Status: Withdrawn (withdrawal recorded by IEC on 31 January 2012).
• Publication date: 28 March 1996.
• Publisher: International Electrotechnical Commission (IEC), Technical Committee TC 45/SC 45B.
• ICS / categories: 13.280; 17.240.
• Edition / version: Edition 1.0 (1996).
• Number of pages: 45.

Scope

Specifies requirements for personal warning devices that indicate personal dose equivalent rate from X- and gamma-radiation fields with photon energies normally in the range 60 keV to 1.5 MeV; devices covered may, under stated conditions, be used for photon energies up to 10 MeV. The standard addresses functional performance, alarm settings, basic test procedures and the radiological energy range of interest for these wearable alarm monitors.

Key topics and requirements

• Performance criteria for wearable dose-rate alarm devices (sensitivity, response, repeatability and energy dependence).
• Definition of applicable photon energy ranges and permitted use up to 10 MeV under specified conditions.
• Alarm thresholds, indication methods and audible/visual alarm requirements appropriate for personal warning devices.
• Test procedures for calibration, energy response checks and environmental/operational tests relevant to wearable monitors.
• Interfaces with user operation: mounting/wearing position, intended torso use, and basic information for safe deployment in workplaces with ionizing radiation.

Typical use and users

Intended users include radiation protection officers, instrument manufacturers, equipment procurement teams, and organizations that provide personal radiation monitoring in hospitals, research laboratories, industrial radiography, nuclear facilities and other workplaces where X- and gamma-radiation hazards may occur. Typical uses are selection, testing and basic operational checks of wearable alarm-type dose-rate monitors used to warn personnel of elevated dose-rate conditions.

Related standards

Standards associated with personal dosemeters and monitoring instrumentation include IEC 61526 (measurement requirements for personal dose equivalents and active personal dosemeters, later editions and revisions), IEC 61283 (direct reading personal dose equivalent monitors — historical), and national verification/regulation documents such as JJG 962 (China: verification regulation for personal dose equivalent rate warning devices), as well as parallel or equivalent standards published by other bodies (for example IEEE N42.26 carries a closely related title for personal warning devices). These documents provide complementary or successor requirements for personal dosemeters and monitoring systems.

Keywords

personal warning device, personal alarm dosimeter, dose-rate monitor, X radiation, gamma radiation, Hp(10) rate, radiation protection instrumentation, wearable alarm monitor, IEC 61344.

FAQ

Q: What is this standard?

A: IEC 61344:1996 is an IEC International Standard titled "Radiation protection instrumentation — Monitoring equipment — Personal warning devices for X and gamma radiations" that defined performance and test requirements for wearable alarm-type dose-rate monitors.

Q: What does it cover?

A: It covers functional and radiological performance, alarm settings and test procedures for personal warning devices intended to indicate personal dose equivalent rate from X- and gamma-radiation fields in the energy range normally 60 keV to 1.5 MeV, and, under certain conditions, up to 10 MeV.

Q: Who typically uses it?

A: Radiation protection officers, instrument manufacturers, procurement and compliance staff in hospitals, research labs, industrial radiography, nuclear and other workplaces with ionizing radiation hazards use the standard for selection, checking and basic performance guidance of wearable alarm monitors.

Q: Is it current or superseded?

A: IEC 61344:1996 has been withdrawn (IEC withdrawal date recorded as 31 January 2012). Related and more recent IEC documents covering personal dosemeters and monitoring instruments (for example IEC 61526 and subsequent revisions) now provide updated requirements for active personal dosemeters and related monitoring equipment; users should consult current IEC publications and national regulations for the applicable, up-to-date requirements.

Q: Is it part of a series?

A: It was part of the body of IEC TC 45/SC 45B standards addressing radiation protection instrumentation. While not a multi-part series itself, its subject matter overlaps with other IEC standards for personal dosemeters and monitors (e.g., IEC 61283, IEC 61526) and with national verification documents.

Q: What are the key keywords?

A: Personal warning device; personal alarm dosimeter; dose-rate monitor; X radiation; gamma radiation; wearable monitor; personal dose equivalent rate; Hp(10) rate; radiation protection instrumentation.