hazardous area certificate

Document Type Information
Details and background about this document type.
Description
A document issued by a recognised independent authority certifying that a type test has satisfied the specified standards; e.g. ATEX, BASEEFA, PTB, UL, CSA, etc. Examples of ratings include 'intrinsically safe & explosion proof'.
Synonyms
  • CFIHOS ID
    CFIHOS-70000160
Equipment
Equipment that requires this document type.

An analyser intended to determine specific gravity's of materials. Typically of liquids.

equipment class

A switch intended to give a on/off signal when the speed have reached a pre-set value.

equipment class

A transmitter that is producing a standardized output signal dependent of a received input signal from a rotational speed sensor.

equipment class

A thermodynamic turbine in which steam is made to do work by expanding so as to create kinetic energy by acting on moving blades attached to a disc or drum.

equipment class

A filter that is separating solid particles from a fluid by passing the fluid through a wire mesh, screen or metal plates containing perforations or slits.

equipment class

A switchgear and controlgear bearing a set of switches for connecting and disconnecting the various circuits of an electrical system, as of a telegraph, telephone, etc.

A physical object that is a general term covering switching devices and their combination with associated control, measuring, protective and regulating equipment, also assemblies of such devices and equipment with associated interconnections, accessories, enclosures and supporting structures.

equipment class

An instrument panel dedicated to a particular system.

equipment class

A physical object that converts sound signals into corresponding variations of electric current (or potential), which is transmitted by wire or radio to a distant point where it is reconverted into sound.

equipment class

A detector intended to detect temperature.

equipment class

A detecting element intended to sense temperature.

equipment class

A gauge that is intended to measure and indicate a temperature.

equipment class

A physical object that detects temperatures; records, modifies and/or displays or performs a combination of these activities.

equipment class

A regulator that is intended to keep a temperature within certain boundaries.

equipment class

A functional switch that is intended to give an on or off signal when the temperature have reached a pre-set value.

A transmitter that is producing a standardized output signal dependent of a received input signal from a temperature element.

An analysing instrument that is intended to determine a physical property that is named thermal conductivity.

equipment class

An element which uses the principle of thermal conductivity to measure volume flow rate.

A velocity flow meter which uses the principle of thermal conductivity to measure volume flow rate.

equipment class

A pair of electrical conductors of dissimilar materials, joined at one end (the measuring or hot junction), which produces an electromotive force (e.m.f.) due to the Seebeck effect in a circuit formed by connecting the other ends of the dissimilar materials used (the reference or cold junction) to a device for measuring e.m.f. Def. acc. to IEC 902 1987.

equipment class

A physical object that is a pressure-tight receptacle adapted to receive a temperature sensing element, provided with external threads or other means for pressure-tight attachment to a vessel or pipe.

equipment class

A timepiece that measures a time interval and signals its end; a time-switch.

equipment class

A transformer that, by electromagnetic induction, transforms a system of alternating voltage and current into another system of voltage and current usually of different values and at the same frequency for the purpose of transmitting electrical power.

equipment class

A physical object that is an element that receives a process variable signal from a sensor and converts it into an output signal.