Electrical flammability tester

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Standards

ASTM D 6194-03:Standard Test Method for Glow-Wire Ignition of Materials

ASTM D6194:Standard Test Method for Glow-Wire Ignition of Materials

IEC 60695-2-10:2021:：Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure

IEC 60335:Household and similar electrical appliances – Safety

IEC60695-2-1:Fire hazard testing - Part 2-1: Test methods - Section 1: Glow-wire test methods - General

IEC60695-2-10:Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure

IEC60695-2-11:Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test method for end-products

IEC60695-2-12:Fire hazard testing - Part 2-12: Glowing/hot-wire based test methods - Glow-wire flammability index (GWFI) test method for materials

IEC60695-2-13:Fire hazard testing - Part 2-13: Glowing/hot-wire based test methods - Glow-wire ignition temperature (GWIT) test method for materials

UL 746 A:Standard for Polymeric Materials - Use in Electrical Equipment Evaluations

VDE 0620:Electrical Appliances - Safety Requirements for Household and Similar Purposes

GB/T 5169.10-2006:Fire hazard testing for electric and electronic products - Part 10: Glow-wire test method - General

EC :Fire hazard testing for Electrical and electronic products -- Part 10: Glowing-wire/ Hot-wire based test method, Glowing-wire apparatus and common test procedure.

GB/T 5169.11-2006/IEC :Fire hazard testing for Electrical and electronic products -- Part 11: Glowing-wire/Hot wire basic test method, Glowing-wire flammability test method for finished products.

GB/T 5169.12-2006/IEC :Electrical and electronic products ,Part 12: Glowing- wire/Hot-wire based test method, Glowing-wire flammability index (GWFI) test method for materials.

GB/T 5169.13-2006/IEC :Electrical and electronic products ,Part 13: Glowing- wire/Hot wire basic test method, Glowing-wire flammability (GWFI) test method.

Parameters

Enclosure: It is equipped with observation window, inner black fireproof material coating.	special standard ring, horizontal static Temperature sensing delay : 1.7S
Control screen: Intelligent touch Observation window: transparent	Transformer parameters: 500VA, secondary: 2.5V, 150A Sample load: 1.0N ± 0.1N
Test speed: 10mm/s ~~25mm/sadjustable	Glowing depth: 0~9mm can be preset
End of test: buzzer sounds, test piece automatically detaches	which is controlled by high-precision steppermotor. Glowing time: 0~99s
Test cabinet size: 885mmX580 mm× 1000 mm	Effective volume ofthe test area : ≥0.5m3
Pressure limiting depth: 7mm	Exhaust pipe diameter: 100mm
Testtemperature: room temperature~999C (adjustable)	Physical dimension: 1000mm×650mm×1250mm
Glowing-wire material: ¢4mm, Ni/Cr (80/20),	Weight: 90kg
Temperature measuring element: armored K-type thermocouple(¢0.5mm), -200~1300C, precision 1C	Power supply: 220V 50Hz

Test Procedures

The operating procedure for the hot-wire test apparatus includes the following steps:

Checking the instrument: Turn on the power switch and check if the instrument is functioning properly.

Setting the temperature: Adjust the temperature to the required test temperature and wait until the temperature display shows the desired temperature.

Starting the test: Press the start button to begin the test.

Observing the test sample: Observe the residue dropped from the test sample during combustion. Press the stop button immediately when the sample stops burning.

Recording the results: Record the flame height during combustion. At the end of the test, press the exhaust button to remove the smoke.

Cleaning the equipment: Turn off the power switch, remove the test sample, record the test results, clean the dirt inside the chamber, close the exhaust vent, and turn off the main power switch.

These steps ensure the accuracy and safety of the hot-wire test apparatus. Operators should receive regular training to ensure the reliability and comparability of the test results.

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