Needle-Flame Test Apparatus For Fire Hazard Testing - Touch Screen Operation
Introduction:
The best method for testing electrotechnical products with regard to fire hazard is to duplicate exactly the conditions occurring in practice. In most instances this is not possible.
Accordingly, for practical reasons, the testing of electrotechnical products with regard to fire hazard is best conducted by simulating as closely as possible the actual effects occurring in practice. Flammability Testing Equipment
Parts of electrotechnical equipment which might be exposed to excessive thermal stress due to electric effects, the deterioration of which might impair the safety of the equipment, should not be unduly affected by heat and by fire generated within the equipment.
Parts of insulating material or of other combustible material which are liable to propagate flames inside the equipment may be ignited by flames produced by a failing component. Flammability Testing Equipment
Under certain conditions, for example a fault current flowing over a tracking path, overloading of components or parts and bad connections, flames may also occur; such flames may impinge upon combustible parts in the vicinity.
Standard:IEC60695-11-5 Test flames-Needle-flame test method-Apparatus,confirmatory test arrangement and guidance
Application: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.
Test sample: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. Flammability Testing Equipment
Feature: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.
Parameters:
| ParametersModel | NF-2(Touch screen) |
| Working voltage | 220V/50Hz |
| Control operation mode | 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 Flammability Testing Equipment |
| 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 |
Picture for reference:
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Needle Flame Test Apparatus For Fire Hazard Testing Touch Screen Operation Images
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