| Item | Value |
|---|---|
| Measured gases | |
| Measuring range | 110°, 100% fully cone field of view; The central axis ± 55° |
| Detection principle | infrared |
| Accuracy | Extremely high, high, medium, low: adjustable by means of a switch |
| Resolution | |
| Response time | |
| Ingress protection | |
| Explosion protection | |
| Operating temperature | -40～+185ºF（-40～+85ºC） |
| Power supply | 18~32VDC, rated 24VDC |
| Output signal | 0~20 mA, users can choose the source type or leak type |
Fire Sentry FS24X is a new generation of high-tech multispectral tri-band (IR/IR/IR/Visible) infrared flame detectors, one of the flame detector members of the FSX series that apply advanced technology. The Fire SentryFS24X is a major breakthrough in flame and fire detection using our patented WideBand IR,™ WideBand 4.3 micron IR,™ and visible light* detection technologies. The Fire SentryFS24X features advanced software algorithms and a dual-core microprocessor, ensuring optimal flame detection performance and false alarm handling.
Product highlights：
• Patented broadband infrared "WideBand IR"™ technology
• Specialized in Electronic Frequency Analysis™
Benefit technology;
• Visible light sensor with optimal false alarm prevention;
• Detection sensitivity is selectable;
• Field of view: 110° wide viewing angle, 100% fully tapered
Field of view (also provides a wide viewing angle of 90°, 100% full.)
products with a tapered field of view);
• Dual-core microprocessor for reliable performance;
• Real-time clock to correctly provide the time of the accident;
• FirePic™: Fire event data storage records;
• Event log: with time and date;
• RS 485 interface;
• Non-isolated 4~20mA analog output (source type or leak
type);
• Alarm, fault and fire confirmation relays;
• Automatic optical path detection and circuit self-test;
• Wide operating temperature range;
• Patented plug-in electronic module technology for component protection
protection and easy on-site installation;
• Two 3/4" NPT or two 25mm electrical interfaces;
• Low power consumption;
• Resistant to RFI and EMI;
• FM, ATEX and CE certified;
• SIL 2 compliant
Technical specifications:
General technical specifications
Field of view range 110°, 100% fully cone field of view; The central axis ± 55°
Sensitivity Very high, high, medium, low: adjustable by means of a switch
Response time 1 square foot n-heptane flame at 100 feet: 3~5 seconds;
1 square foot n-heptane flame at 200 feet: 3~10 seconds
Spectral sensitivity Visible light: 400~700 nm;
Near-infrared: 0.7~1.1 microns;
Broadband infrared: 1.1~7 microns;
Broadband infrared: 3.0~5.0 microns
Working voltage 18~32VDC, rated 24VDC
Power Consumption Normal: 56 mA
Alarm: 106 mA
Heater: 155 mA
Note: The heater is turned on at 0ºF (-17ºC).
Output Relay Alarm: SPDT (normally open/normally closed), disconnect/suction, latch/non-latch;
Fault: SPDT (normally open), usually on, latched/non-latched;
Auxiliary: SPDT (normally open/normally closed), disconnected/suction, latched/non-latched;
Contact rating: 1 A×24 VDC
Analog output 0~20 mA, users can choose the source type or drain type
Loop resistance 50~400 ohms
Digital Communication You can choose one of the following:
• RS-485, ModBus protocol;
• RS-485，FireBus II；
• RS-485 Special (optional);
• HART, optional plug-in module
Indication Signal Blue LED Indicator: Power;
Red LED indicator: alarm;
Yellow LED indicator: fault;
Temperature Range Operating: -40~+185ºF (-40~+85ºC);
Storage: -67~+230ºF (-55~+110ºC)
Humidity range 5~95%RH, non-condensing
Vibration meets or exceeds MilSpec 810C Method 514.2, Curve AW12
Wiring 14 AWG (2.5mm 2 ) ~ 22 AWG (0.326mm 2) , shielded cable is recommended
Electrical interfaces two 3/4" NPT or two M25
Housing material: cast aluminum or 316 stainless steel
Ingress protection NEMA 4 & 4X，IP66
Certified FM:
Class I, Div. 1 & 2, Groups B, C, & D
Class II, Div. 1 & 2, Groups E, F, & G
Class III
ATEX：II 2 G D
Ex d IIC T4（Ta：-60～+110ºC），T5（Ta：-60～+90ºC），T6（Ta：-60～+75ºC）
CE：
Meets the requirements of EN6000-6-4 and EN50130-4 standards;
SIL Rating:
FMEDA complies with IEC 61508 safety requirements.
Weight Cast Aluminum: 3.6 lbs (1.6 kg);
Stainless steel: 7 lbs (3.2 kg)
Mounting Swivel bracket (optional)
Warranty of three years
• Petroleum, petrochemical, and refineries;
• Offshore platforms;
• Turbines/compressors;
• Oil and gas pipelines and pumping stations;
• LPG, LNG loading and unloading stations;
• Natural gas and compressed natural gas facilities;
• Production and storage of alcohol, methanol and isopropyl alcohol;
• Storage and depot of crude oil and gasoline;
• Aircraft hangar;
• Production and storage of hydrogen;
• Storage of coatings, organic solvents;
• Equipment for the production, storage and loading of chemicals;
• Power plants