975MR, 975HR, 975UR, 975UF
, , Fixed fire detection and alarm systems components - Flame detectors

Fire Detection and Alarm System

Fixed Fire Detection and Alarm Systems Components - Flame Detectors

975MR, 975HR, 975UR, 975UF
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Product Description

The Rosemount 975 Series Flame Detectors are manufactured from stainless steel. They are cylindrical in shape and are of three-part construction. They comprise a central assembly that is divided into two compartments, an electronics compartment and a terminal compartment, each with their own cover. , The electronics compartment cover contains a circular glass window that allows the equipment to provide its monitoring function. The cover is secured by three -20 UNC-2A socket head cap screws. , The cover window aperture has two moulded lugs that, along with a flat bar which is secured by cement and a No. 4-40 UNC-2A screw, provide protection of the window against impact. , The terminal compartment, which contains Bartec Ex e component approved terminals and which communicates with the electronics compartment via a potted bushing, has its cover secured by three -20 UNC-2A socket head cap screws. , The central assembly has either two M25 x 1.5 or x 14 NPT threaded holes in its sidewall to allow the fitting of suitably certified cable entry devices. , , The 975 Series Flame Detectors comprise the following models:, 975MRXXXXXXX - Multi-spectrum Infrared Flame Detector, 975HRXXXXXXX - Multi-spectrum Infrared Hydrogen Flame Detector, 975URXXXXXXX - Ultraviolet infrared Flame Detector, 975UFXXXXXXX - Ultra Fast Ultraviolet Infrared Flame Detector

Product Ratings

Operating Voltage: 24 VDC nominal (18-32 VDC); | Power Consumption: Standby: Max. 90mA, Alarm: Max. 130mA; | Operating temperature: -55 C to +75 C; | Ingress Protection: IP66 and IP67; | Type Certified: Flameproof, Increased Safety, Encapsulation and Dust Protection by Enclosure II 2GD | Ex db eb op is IIC T4 Gb, Ex tb op is III C T96C Db, (Ta = -55C to +75C) / Ex db eb op is IIC T4 Gb, Ex tb op is III C T106C Db, (Ta = -55C to +85C) | Safety certification: IECEx SIR 15.0138X , Sira 15ATEX1364X | FM/FMC/CSA: Class I Div. 1, Groups B, C, & D | Class II/III Div.1, Groups E, F & G

Applicable Standards

IEC 60092-504:2016;
IEC 60533:2015;
IEC 60945 Ed 4.0: 2002,
IEC 61508 Part1-7 Ed1.0:2010;
IEC 60079-0: 2017;
IEC 60079-1: 2014;
IEC 60079-7: 2017;
IEC 60079-18: 2017;
IEC 60079-28: 2015;
IEC 60079-31: 2013;
IMO FSS Code 2015: Chapter 9 Sec 2.3.1.1, 2.3.1.5 and 2.3.1.8,
IMO MSC.1/Circ.1242: October 2007

EN 54-10: 2002 + A1:2005;
EN 50130-4: 2011;
EN IEC 60079-0: 2018;
EN 60079-1:2014;
EN 60079-7:2015+A1:2018;
EN 60079-18:2015/AC:2018;
EN 60079-28:2015
EN 60079-31:2014;
FM Approval Class: 3260, 3615-FMCU