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975MR Multi-Spectrum Infrared Flame Detector
Brand: RosemountThe Rosemount 975MR multi-spectrum infrared flame detector is based on accurately analyzing the multi-spectral signals by utilizing three separate IR sensors.
The 975MR detects fuel and gas fires at long distances. For example, this product will detect a 1 ft² (0.1 m²) gasoline pan fire at 215 ft (65 m) in less than 5 seconds. The 975MR also provides the highest immunity to false alarms and enhanced overall coverage range.
Features- Multi spectrum design - for long distance detection and high false alarm immunity
- Sensitivity selection - to ensure no zone crossover detection
- Automatic and Manual Built-In-Test (BIT) - to assure continued reliable operation
- Heated window - for operation in harsh weather conditions (snow, ice, condensation)
- Relays (3) for Alarm, Fault, and Auxiliary
- 0-20 mA (stepped)
- HART® Protocol for maintenance and asset management
- RS-485, Modbus compatible
- High Reliability - MTBF - minimum 150,000 hours
- Approved to Safety Integrity Level 2 (SIL 2 - TÜV)
- User Programmable via HART® or RS-485
Specifications
Brand
Approvals & Certifications
- ATEX: Ex II 2 GD, Ex d E IIC T5 Gb Ex d E IIC T4 Gb Ex Tb IIIC T96° C Db Ex Tb IIIC T106° C Db (-55° C ≤ Ta ≤ 75° C) (-55° C ≤ Ta ≤ 85° C)
- CSA: Class I, Div. 1, Groups B, C, D Class II/III, Div. 1, Groups E, F, G
- DNV Marine
- FM/FMC: Class I, Div. 1, Groups B, C, D Class II/III, Div. 1, Groups E, F, G
- IECEx
Approvals & Certifications
- SIL Certification
Communication
- HART
- RS-485 Modbus
Enclosure Finish
- Electro-Polished
- Red Epoxy Enamel Finish (Not Available in FM Version)
Enclosure, Body Material
- 316L Stainless Steel
- Heavy Duty Copper-Free Aluminum (Less than 1 %)
Environmental Protection
- IP66
- IP67
- NEMA 250 6P
Materials of Construction
- Mounting: 316 Stainless Steel with Electro Polish Finish
Measuring Range
- Detection Rang: 83 to 215 Ft (25.3 to 65.5 metres)
Operating Temperature
- -55° to 75° C (-67° to 167° F)
- -55° to 85° C (-67° to 185° F) Option
Operating Voltages
- 24 Vdc Nominal (18-32 Vdc)
Storage Temperature
- -55° to 85° C (-65° to 185° F)
Documentation
Product Manuals
Certificates & Approvals
- Certification: 975MR Multi-Spectrum Infrared Flame Detector Declaration of Performance pdf 297 KB
- Drawing: Rosemount Model 975 Flame Detector pdf 176 KB
- Drawing: Rosemount Model 975 Flame Detector and Tilt Mount Bracket Assembly pdf 204 KB
- Drawing: Rosemount Model 975 Flame Detector Pipe Mount Bracket pdf 326 KB
- Drawing: Rosemount Model 975 Flame Detector Tilt Mount Assembly and Weather Cover pdf 259 KB
- Drawing: Rosemount Model 975 Flame Detector with Air Shield pdf 377 KB
- Drawing: Rosemount Model 975 Flame Detector with Cone Viewer pdf 265 KB
- Drawing: Rosemount Model 975 Flame Detector with Duct Mount pdf 205 KB
- Drawing: Rosemount Model 975 Flame Detector with Weather Cover pdf 234 KB
- Drawing: Rosemount Model 975 Flame Simulator pdf 216 KB
- Product Data Sheet: Flame Simulator: FS-HR-975 pdf 1.1 MB