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  • 产品名称: Needle-Flame Tester
  • NO.: NF-1/ NF-2
  • Views : 8

 IEC60695-11-5 Test flames-Needle-flame test method-Apparatus,confirmatory test arrangement and guidance.

 This part of IEC60695 specifies a needle-flame test to simulate the effect of a samll flame which may result from fault condition, in order to assess by a simulation technique the fire hazard. 

 Lighting, low-voltage electrical appliances, household appliances, machine tool electric appliance, electric motor, electric tools, electronic instruments, electrical instruments, electrical connector, such as electrical and electronic equipment and parts, components, including insulation  materials, engineering plastic or other solid combustible materials.

 The Needle Flame Tester consists of a Ф0.9mm needle-shaped burner that tilts with the angel of 45°and provide it with butane gas. The fire hazard of the equipment when there is flammule inside the equipment that caused due to the fault condition is assessed by whether the specimen can be ignited or the combustion time and length. 

 

 

 Parameter/Model

NF-1

NF-2

Working voltage 

220V/50HZ

220V/50HZ
Control operation mode
 

Electrical control, button operation

PLC control, 7 inch color touch screen operation, with infrared remote control

Combustor

Inner boreφ0.5mm ± 0.1mm ,OD ≤φ0.9mm ,L ≥ 35mm,stainless steel

Gas category Butane or propane gas having a purity of at least 95% ( can use the bottled lighter gas)
Height of the flame 12±1mm adjustable (with flame height gauge)
Flame warming requirement From 100°±5°C to 700°±3°C,time for standard values within 23.5S±1S
Combustion angle

Tilt 45°( testing ) or vertical ( when adjust the height of the flame)

Tray A layer of silk paper (12~30g/m³) is covered on the 10mm thick pine board, with a distance of 200±5mm below the test sample 
Timer/sustained combustion 0-9999X0.1S
Temperature measuring distance The distance between the top center of the burner and the test sample:8±1mm
Temperature calibration Temperature measuring copper head:Φ4±0.01mm,weight:0.58±0.01g
  Temperature thermocouple:The American original Omega φ0.5 armour nickel-chromium/nickel aluminum wire K-Thermocouple,temperature resistance 1100°
  Temperature measuring distance:6±0.5mm
Air volume control The flame height can be adjusted by adjusting the flow meter
Test procedure Automatic control, independent exhaust
Lighting Equip with lighting in the test chamber, with control
Test chamber and dimensions >0.5 cube,black yogon background,with exhaust fan, size:1100*550*1200mm, weight:130kg

 

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