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The UV/IR flame detector senses radiant energy in the short wave section of both the ultraviolet and infrared portions of the electromagnetic spectrum. The signals from both sensors are analyzed for frequency, intensity and duration. Simultaneous detection of radiant energy in both the UV and IR sensors triggers an alarm signal.
The UV sensor incorporates a special logic circuit that helps prevent false alarms caused by solar radiation.
Due to increased reliability, the 40/40 Series warranty period has been extended to 5 years and is SIL2 (TUV) approved to IEC 61508.
Key Features:
Applications:
Please note - Product designs and specifications are subject to change without notice. The user is responsible for determining the suitability of this product.
General | |
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Spectral Response | - 40/40L–LB: UV: 0.185 - 0.260 μm; IR: 2.5-3.0 μm - 40/40L4–L4B: UV: 0.185 - 0.260 μm; IR: 4.4-4.6 μm |
Detection Range (at highest Sensitivity Setting for 1ft2 (0.1m2) pan fire) | - n-Heptane: 50ft / 15m - Gasoline: 50ft / 15m - Diesel Fuel: 37ft / 11m - JP5: 37ft / 11m - Kerosene: 37ft / 11m - Ethanol 95%: 25ft / 7.5m - Methanol: 25ft / 7.5m - IPA (Isopropyl Alcohol): 25ft / 7.5m - Hydrogen** 16ft / 5m - Methane*: 16ft / 5m - LPG *: 16ft / 5m - Polypropylene Pellets: 1ft3 / 4m - Office Paper: 16ft / 5m * 20" (0.5m) high, 8" (0.2m) width plume fire ** 40/40L/LB only |
Response Time | Typically 5 seconds. High speed 150 msec response to saturated signal |
Adjustable Time Delay | Up to 30 seconds |
Sensitivity Ranges | 1 ft2 (0.1m2) n-heptane pan fire from 50 ft (15m) |
Field of View | Horizontal 100º; Vertical 95º |
Built-in-Test (BIT) | Automatic (and Manual) |
Temperature Range | - Operating: -67°F to +167ºF (-55ºC to +75ºC) - Option: -67ºF to +185ºF (-55ºC to +85ºC) - Storage: -67ºF to +185ºF (-55ºC to +85ºC) |
Humidity | Up to 95% non-condensing (withstands up to 100% RH for short periods) |
Heated Optics | To eliminate condensation and icing on the window |
Electrical Specifications | |
Operating Voltage | 24 VDC nominal (18-32 VDC) |
Power Consumption | - Standby: Max. 90mA (110mA with heated window) - Alarm: Max. 130mA (160mA with heated window) |
Cable Entries | 2 x 3/4" - 14NPT conduits or 2 x M25 x 1.5 mm ISO |
Wiring | 12 - 22AWG (2.5mm2 - 0.3mm2) |
Electrical Input Protection | According to MIL-STD-1275B |
Electromagnetic Compatibility | EMI/RFI protected to EN61326-3 and EN61000-6-3 |
Electrical Interface | The detector includes twelve (12) terminals with five (5) wiring options (factory set) |
Outputs | |
Relays | - Alarm, Fault and Auxiliary - SPST volt-free contacts rated 5A at 30 VDC or 250 VAC. |
0-20mA (stepped) | Sink (source option) configuration - Fault: 0 +1mA - BIT Fault: 2mA ± 10% - Normal: 4mA ± 10% - IR: 8mA ± 5% - UV: 12mA ± 5% - Warning: 16mA ± 5% - Alarm: 20mA ± 5% - Resistance Loop: 100-600 Ω |
HART Protocol | Optional HART communications on the 0-20mA analog current (FSK) - used for maintenance, configuration changes and asset management, available in mA source output wiring options |
RS-485 | RS-485 Modbus compatible communication link that can be used in computer controlled installations |
Mechanical Specifications | |
Materials Enclosure options |
- Stainless Steel 316L with electro polish finish - Heavy duty copper free aluminum (less than 1%), red epoxy enamel finish |
Mounting | Stainless Steel 316L with electro polish finish |
Dimensions | Detector: 4" x 4.6" x 6.18" (101.6 x 117 x 157 mm) |
Weight | - Detector (St.St.) 6.1 lb (2.8 kg) - Tilt mount 2.2 lb (1.0 kg) - Detector, aluminum 2.8 lb (1.3 kg) |
Environmental Standards | Meets MIL-STD-810C for Humidity, Salt & Fog, Vibration, Mechanical Shock, High Temp, Low Temp |
Water and Dust | IP66 and IP67 per EN60529, NEMA 250 6P |
Approvals | |
Hazardous Area | - ATEX and IECEx: Ex II 2 GD, Ex de IIC T5 (-55ºC to +75ºC), Ex de IIC T4 (-55ºC to +85ºC),
Ex tD A21 IP66/X7 T 95ºC, Ex tD A21 IP66/X7 T 105ºC - FM/FMC/CSA: Class I Div. 1, Groups B, C & D, Class II/III Div. 1, Groups E, F & G |
Performance | - EN54-10 (LPCB) - FM-3260 (FM) |
Reliability | IEC61508 - SIL2 (TUV) - models 40/40LB and 40/40L4B only |
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