Flame detector Crowcon FGard IR3
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| Model | FGard IR3 |
| Manufacturer | CROWCON |
| Power supply | 24 Vdc Nominal (Range 18 to 32 Vdc) |
| Weight | 2.5 Kg |
| Size | 100 mm Dia x 200 mm |
| Condition | Stocking |
| Warranty | 12 months |
Crowcon FGard IR3 flame detector offers first-class flame detection with intelligent heating optics for clearer results and advanced optical verification to greatly reduce false alarms.
I. Specification of Crowcon FGard IR infrared fire detector
- Crowcon FGard IR3 offers outstanding performance in the detection of hydrocarbon fires. The FGard IR3 fire alarm uses the latest IR flame detection algorithms to ensure maximum resistance to false alarms.
- Crowcon FGard IR3 has been independently tested to prove it can detect hydrocarbon fuel pan flames at nearly 60 meters in less than 5 seconds..
Crowcon FGard IR3 - Multi-spectral IR:
- 60 meter flame detection range - Crowcon FGard IR3 flame detector will detect all Hydrocarbon fires, improving reliability and performance over temperature.
Crowcon FGard IR3 - Fast detection time:
- Short response time in less than 5 seconds 0.1m² flame at 60 meters.
Crowcon FGard IR3 - Thermal optics:
- Crowcon FGard IR infrared fire detector with smart heating optics - No condensation / ice / water.
Advanced optical verification - No reflectors:
- Crowcon FGard IR3 test automatically verifies the cleanliness of the lens and electronic circuitry. No reflective optical checks and large optical surface resulting in much less false alarms.

II. Advantages
Multi-spectral IR design provides long detection distance and enhanced anti-false alarm
Continuous optical inspection, no reflector:
- Verify operations and improve device uptime
Microprocessor controlled heating:
- Stay operational in extreme weather conditions (snow, ice, condensation)
International hazardous area approval:
- FM / ATEX / IEC Ex / INMETRO / PESO
Certified performance test for multiple fuels:
- FM 3260
- EN 54-10
Sensitivity levels are adjustable:
- For flexible application
Make sure the detector doesn't cross-vote
External testing with long range flame simulator:
- Minimize the need for scaffolding
Easy integration using industry standard output:
- Alarm and fault relays
- 4-20mA
- HART®, as standard
Capable of SIL 2 certified
5 years warranty
III. Application of the Crowcon FGard IR3 flame detector
- Oil and gas at home / abroad
- Processing facilities
- Oil factory
- Petrochemical plant
- Chemical facility
- Medicine
- Airplane hangar
- Tunnel
- Power production
- Tank farm
- Road & rail queuing price
- LNG / LPG
- Warehouse / Storage Area
- Waste / Biomass Recycling Plant
- Printing industry.
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IV. Specifications of flame detector Crowcon FGard IR3
|
Operating temp |
-60°C to +85°C (-76°F to +185°F) |
| Storage temp |
-76°F to +185°F (-60°C to +85°C) |
|
Humidity |
0-100 % RH (Non-condensing) |
| Operating voltage |
24 Vdc Nominal – (Range 18 to 32 Vdc) |
|
Power consumption |
3W minimum (without heater), 15 W at 32 Vdc with heater on maximum. |
| Speed of response |
< 5 seconds (Typical) |
|
Dimensions |
100 mm Dia x 200 mm (4” Dia x 8” L) |
| Material |
Copper free aluminum or 316 stainless steel |
|
Entry size |
3/4 inch NPT or M25 |
| Weight |
Alu 5.5 lbs (2.5 Kg) / SS 13.2 lbs (6.0kg) |
|
Outputs |
Relay contacts (DPDT 2A at 30Vdc) – alarm and fault. |
|
0-20mA plus fault alerts, HART® |
|
|
Certifications |
Class 1 Div 1 Groups B, C, D T4 Ambient –50°C to +85°C |
|
Class 1 Zone 1 AEx/Ex db IIC T4 Ambient –50°C to +85°C |
|
|
ATEX II 2 G Ex db IIC T4 |
|
|
IECEx Ex db IIC T4 Ambient –60°C to +85°C |
|
|
INMETRO Ex db IIC T4 |
|
|
PESO Ex db IIC T4 Ta= -60°C to +85°C |
|
|
CCC (China Fire Approvals) – Pending |
|
|
GB-Ex of China – Pending |
|
|
Performance approvals |
FM 3260 |
|
EN 54-10 |
|
|
Ingress – IP66 /NEMA 4X |
|
|
SIL2 – IEC 61508 |
Flame sensitivity:
| Fuel | Fire Size | Distance | |
|
High Sensitivity |
n-Heptane |
1’x1’ / 30cm x 30cm | 196 feet (60m) |
| n-Heptane + arc welding | 1’x1’ / 30cm x 30cm |
196 feet (60m) |
|
|
Gasoline |
1’x1’ / 30cm x 30cm | 196 feet (60m) | |
| Diesel | 1’x1’ / 30cm x 30cm |
164 feet (50m) |
|
|
Crude oil (heavy fuel) |
20”x20” 0.5mx0.5m | 164 feet (50m) | |
| JP4 | 1’x1’ / 30cm x 30cm |
196 feet (60m) |
|
|
Methane |
24” plume / 60 cm | 164 feet (50m) | |
| Ethanol | 1’x1’ / 30cm x 30cm |
137 feet (42m) |
|
|
Methanol |
1’x1’ / 30cm x 30cm | 137 feet (42m) | |
| Standard sensitivity | n-Heptane | 1’x1’ / 30cm x 30cm |
98 feet (30m) |
|
Gasoline |
1’x1’ / 30cm x 30cm | 98 feet (30m) | |
| JP4 | 1’x1’ / 30cm x 30cm |
98 feet (30m) |
|
|
Methane |
24” plume / 60 cm |
98 feet (30m |
|
| Ethanol | 1’x1’ / 30cm x 30cm |
98 feet (30m) |
***Detailed product specification sheet: FGard IR3 Flame Detector.
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