BK51Ex/IR Explosion-Proof Infrared

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Location: Asean Indonesia
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Product Detail

Product detail:

a. Detection in a 90 DEG wide taper zone
b. Real-time self-diagnosis
c. Immunity from electromagnetic radiation

The Infrared Flame Detector, which contains an infrared sensor and an optical filter, is most sensitive to the spectrum from CO2 and is immune from the false alarm of various infrared sources. The detector integrated with the advanced flame analysis tool can give early warning for the flame from burning of organic material (hydrocarbons). The detector works in environmental extremes like high/low temperature, high dampness, knock, etc.

Characteristics

- IR infrared and frequency duplex detection
- High explosion prevention and dustproof grade
- Operation with a wide range of temperature
- Detection in a 90 DEG wide taper zone
- Real-time self-diagnosis function
- Immunity from electromagnetic radiation
- Patented and industrialized contour design
- Adjustable sensitivity
- Standard current output of 4-20mA, standard RS-485interface, passive contact output
Technical Parameters
Basic Technical Parameters
- Spectral Response: 1.8~3.2umIR
- Fire response time: < 10S
- Monitoring angle: ≤90°
- Ambient Temperature: -40°C~70°C
- Ambient Humidity: ≤95percents RH(40 + 2°C)
- Detection Distance: 25m(0.1 Square meters standard normal heptane fire)
Electrical Parameters

- Operating Voltage: 18V~32VDC
- Indicator Lamp: flash for normality and keep lighting for alarm 
- Operating Current: ≤20mA in a standby status (24VDC)≤40mA (24VDC)in an alarm status
- Output Mode: relay output--------for normality: the contacts of the fault relay are normally closed,while the contacts of the fire alarm relay are normally open
   for fault: the contacts of the fault relay become normally open from the normally closed status
   for alarm: the contacts of the fire alarm relay become normally closed from the normally open status
   Rating of contact: 0.5A /125VAC 1A /30VDC 0.3A/ 60VDC
4-20mA Output-------For Fault: 0+0.5mA For Normality: 5 mA±10 percents For Fire Alarm: 18mA±10 percents

RS-485 Output-------RS-485 standard interface for being connected with equipment

Mechanical Characteristics
- Weight: < 1.7kg(cast aluminum)  <3.2kg(stainless steel)
- External dimensions: 103mm×149mm×160mm(length × width × height)
- Cable outlet screw: standard 3-G3/4"(1"=25.4mm)
- Material: cast aluminum with stainless steel optional
Certifications
- Explosion Prevention Mark: ExdIICT6
- Dust Explosion Prevention Mark: DIP A21 TA,T6
- Model Inspection: In accordance with national standard of GB15631-1995
- Protective Grade: IP65
- Standards: GB15631-1995,GB3836.1-2000,GB3836.2-2000,GB12476.1-2000
Application Places
- Chemicals--- production, storage and transportation
- Electricity generation--- pump zones, machine rooms and unmanned zones
- Printing ---solvent treating, flattening and drying techniques
- Waste disposal plants---processing, burning and storage of combustibles
- Automobiles--- manufacture, spray booths
- Paint--- manufacture
- Warehouses--- storage of combustibles
- Petrochemicals--- production, storage and transportation
- Oil depots---floating and fixed top grooves of oil depots
- Petroleum and natural gas---exploration, production and storage
- Coastal facilities--- refineries, charging stations and pipelines
- Pharmaceutical industry

 
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