IDD-Ultra UV Flame Detector
Product overview:
Forney’s Intelligent Dynamic Detector (IDD) – Ultra version is designed to accurately detect and discriminate the radiation produced by the combustion of natural gas or light oil.
The Intelligent Dynamic Detector Ultra (IDD-Ultra) is used in conjunction with Forney’s IDD 9000 amplifiers. (For legacy amplifier compatibility, contact Forney.) The IDD-Ultra solid state circuitry amplifies a continuously changing voltage signal transmitted from the Silicon Carbide (SiC) sensor when flame is sensed. This signal is sent to the amplifier by way of a four conductor cable. The amplifier processes the signal and provides outputs to the burner management system. For trouble-free operation, the electronics of the detector are potted within the cast steel housing. In addition, the amplifier also initiates a periodic check of the sensor and printed circuit board to verify proper operation of the detector assembly, eliminating the need for a mechanical shutter.
• High Temperature Silicon Carbide Sensor – High temperature resistance prevents detector
head from overheating on the boiler front. Sensitive to ultra violet light radiation prevalent in
natural gas and light oil flames.
• Dynamic Flame Sensing Circuitry – Senses only a dynamic flame signal, discriminates flame
from hot refractory and other background conditions.
• Compact, Durable Assembly – The printed circuit board and sensor are potted within a cast steel
housing providing a maintenance free product.
• Simplified System Maintenance – Quick disconnect, electrical and mechanical connections are used for easy replacement.
• Fiber Optics – Optional fixtures are available for fiber optic applications.
• Factory Mutual Approval – Factory Mutual (FM) approval means safe operation and lower insurance rates.
Futures & Benefits:
• High Temperature Silicon Carbide Sensor – High temperature resistance prevents detector head from overheating on
the boiler front.Sensitive to ultra violet light radiation prevalent in natural gas and light oil flames.
• Dynamic Flame Sensing Circuitry – Senses only a dynamic flame signal, discriminates flame from hot refractory
and other background conditions.
• Compact, Durable Assembly – The printed circuit board and sensor are potted within a cast steel housing providing a
maintenance free product.
• Simplified System Maintenance – Quick disconnect, electrical and mechanical connections are used for easy replacement.
• Fiber Optics – Optional fixtures are available for fiber optic applications.
• Factory Mutual Approval – Factory Mutual (FM) approval means safe operation and lower insurance rates.
Products and Accessories:
IDD-Ultra UV Detector Solid State UV Part #38321-29
Specifications:
Mounting:
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1” NPT (33.23 mm) sight pipe fitting
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Materials:
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Cast Steel Housing, Potted Electronics
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Electrical:
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Supplied by Amplifier, 50 VDC and 15 VDC
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Electrical Connections:
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MS Bayonet connector supplied with cable, 1/2” (21.22 mm) flexible conduit required
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Temperature Ratings:
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32°F to 250°F (0°C to 121°C) If freezing temperatures are expected at the detector head, Forney recommends heat tracing the detector sight tube. Consult Forney for higher temperature applications.
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Humidity:
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0-95% relative humidity, non-condensing
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Shipping Weight:
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21 oz. (0.6 kg)
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Approvals:
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Factory Mutual (FM)
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Sensor:
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Silicon Carbide (SiC)
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Wavelength:
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200-425 nm (310 nm center)
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