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Hazardous Classifications
Class I, Zone 1, AEx db IIC T5 Gb; Class I, Div. 1, Groups A, B, C, & D; Class II/III, Div. 1, Groups E, F, &
G; Ex db IIC T5 Gb; Ex tb IIIC T135°C Db; FM14ATEX0058X; IECEx FMG14.0027X; T5 Ta = -50°C to
+85°C; Type 4X, IP66/67;
Performance Specifications
Operating Temperature (ATEX/IECEx): -55°C to +75°C
Storage Temperature (ATEX/IECEx): -55°C to +85°C
Operating Temperature (North America): -50°C to +75°C
Storage Temperature (North America): -50°C to +85°C
Tested Fuels: n-heptane, methane, butane, propane, ethanol, methanol, hydrogen, diesel, kerosene,
JP-4, and IPA
Sensitivity for Test: Low, Medium, High, and Very High Sensitivities (indoors/outdoors)
Software System & Safety: 5.01 identified on the label on electronics
Humidity: 0 to 99% relative humidity, can withstand 100% condensing humidity for short periods of
time.
Field of View (FoV): The detector has a cone of view for all standard mounts of 90° (left 45°, right
45°, up 40°, down 50°) horizontal and vertical with the highest sensitivity on the central axis. (to
EN54-10 70% of on-axis range).
With Tank Mount: The detector has a FoV of left 50°, right 50°, up 50°, and down 50°.
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With FoV Restrictor: The detector has a FoV of left 35°, right 35°, up 30°, and down 35°.
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With Sunshade: The detector has a FoV of left 45°, right 45°, up 40°, and down 45°.
l
Operating Voltage: 24 VDC nominal (18-32 VDC) - Regulated.
Power Consumption: 1.8 watts (nominal); 2.4 watts (Alarm); 12 Watts (max) = 0.50A @ 24V with
heater ON 100% duty cycle.
Note: Heater turns ON at -13°F [-25°C] in Normal Operation). Heaters are used during extreme cold to bring the internal
electronics up to a minimum temperature. During this time, which can last up to 30 minutes, the internal microcontrollers are not
running, halo will be off, and the current loop will report less than 1.5 mA.
Inrush Current is 0.75A for a maximum duration of less than 5ms
Weight: Aluminum 3 lbs. 11 oz. (1.7 kg); Stainless Steel 7 lbs. 7 oz. (3.4 kg)
Housing material: Low Copper (less than 0.25%) marine grade Painted casted Aluminum of ASTM
A356.0 grade.
Polished cast Stainless Steel of ASTM CF8M grade.
Outputs: Fault, Alarm and Auxiliary SPDT relays Max. 32 Vdc/ac, max. 2 A, min 10mA at 12 V resistive
load.
4-20 mA Source, sink or isolated current output.
FP2 over RS-485 and USB (USB is accessible through Detector Module electronic device only).
Modbus over RS-485.
Honeywell®FS24X Plus™ | User Manual
II 2 D; II 2 G
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