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IEC 61520:2000 PDF — Metal thermowells for thermometer sensors - Functional dimensions — GOST Standards

//IEC 61520:2000

IEC 61520:2000

Name: IEC 61520:2000 — Metal thermowells for thermometer sensors - Functional dimensions
SKU: IEC 61520:2000
Price: 35 EUR
Availability: InStock

Metal thermowells for thermometer sensors - Functional dimensions

Название (английский):

IEC 61520:2000

Metal thermowells for thermometer sensors - Functional dimensions

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 29
Дата публикации:: 27 января 2000 г.
Издание:: IEC IS 61520 edition 1 version 1
ICS:: 17.200.20

Тип поставки:

Full version35 €Ask AI2 €Read online 24h10 €Read online 72h15 €

Язык документа:

ruen

Срок поставки:1 рабочий день

Цена:35 €

Описание (английский):

Specifies functional dimensions for metal thermowells for thermo-meter sensors of nominal diameters ranging from 3 mm to 8 mm for use in process control. The contents of the corrigendum of September 2017 have been included in this copy.

Abstract

Overview

IEC 61520:2000 is an international standard published by the International Electrotechnical Commission (IEC) that specifies the functional dimensions for used with thermometer sensors. These thermowells are designed for nominal sensor diameters ranging from and are primarily intended for applications in environments. The 2000 edition includes a corrigendum update from September 2017, ensuring that the standard reflects the latest accepted amendments.

Key Topics

Scope and Application: IEC 61520 addresses metal thermowells specifically for thermometer sensors with nominal diameters between 3 mm and 8 mm. It targets process control applications where accurate temperature measurement and sensor protection are critical.
Thermowell Types Defined:
- Type A: Threaded thermowell, standard length.
- Type B: Threaded thermowell, elongated design.
- Type C: Flanged thermowell.
- Type D: Welded thermowell.
Functional Dimensions:
- Specifies insertion length, outer and inner diameters, wall thickness, and threading dimensions.
- Provides detailed tables and diagrams illustrating external and internal configurations for each thermowell type.
Important Considerations:
- While IEC 61520 defines functional dimensions, factors such as wall and tip thickness must account for operational parameters including temperature, pressure, fluid flow velocity, medium type, and material strength.
- The natural frequency of the thermowell is also a critical factor to avoid resonance and mechanical failures.
Terminology and Definitions: Clear definitions help unify communication between suppliers, manufacturers, and end-users. Terms like insertion length (U) and thermowell types assist in standardizing specifications.

Applications

IEC 61520 metal thermowells are widely applied in industries requiring precise temperature control and monitoring under demanding conditions. Some typical applications include:

Industrial Process Control: Thermowells protect sensors in chemical plants, oil refineries, and power generation facilities where temperature measurement must be reliable and stable.
Petrochemical and Gas Industries: Protection of sensors in corrosive, high-pressure, or high-temperature environments.
Manufacturing Automation: Integration with temperature sensors to maintain operational safety and efficiency.
Energy and Utilities: Use in boilers, turbines, and cooling systems for temperature regulation.
HVAC Systems: Accurate temperature measurement for climate control in large-scale systems.

By adhering to IEC 61520, organizations ensure compatibility and safety in installations, reduce risk of thermowell failure, and comply with international measurement standards.

Related Standards

IEC 60050: International Electrotechnical Vocabulary providing general terminology used in electrotechnical fields.
IEC 60027: Standard for letter symbols to be used in electrical technology.
IEC 60417: Contains graphical symbols for use on equipment, useful for thermowell markings or documentation.
IEC 60617: Graphical symbols for diagrams, relevant for schematic representations in technical diagrams involving thermowells and sensors.

Compliance with IEC 61520 complements these standards, facilitating clear communication, documentation, and integration of thermowell devices within broader electrotechnical and instrumentation systems.

Keywords: IEC 61520, metal thermowells, thermometer sensors, functional dimensions, process control, thermowell types, insertion length, temperature sensor protection, industrial temperature measurement, IEC standards.

Технические детали

Технический комитет: SC 65B - Measurement and control devices
SKU: IEC 61520:2000

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