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 60695-2-10-2013: 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 60695-2-11-2000: 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 60695-2-12-2000: 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 60695-2-13-2000: Electrical and electronic products ,Part 13: Glowing- wire/Hot wire basic test method, Glowing-wire flammability (GWFI) test method.

Applications:

It is used in the evaluation of flammability tests and light-off temperature tests for electrical equipment and its components and accessories, as well as solid electrical insulating materials or other solid flammable materials.

It is used for the test of ignition hazard of electronic and electrical products, the evaluation of hot burning performance and the test of high temperature resistance.

It is used to determine the light-off property, light-off temperature, flammability and flammability index of solid insulating materials and other solid combustible materials.

It is used to test flame retardant properties for the insulated enclosure of household appliances, switch panels, printed circuit boards,and insulating materials.

It is applicable to the performance verification of new products, quality control of the production department, and the of material properties for the third-party testing organization, the product performance verification laboratory, and the quality and technical supervisiondepartment, etc.

Product Information:

F242 Glow-wire tester simulates thermal stress from heat sources to test circuit component flammability, widely used in electronics, appliances, etc. It predicts circuit safety, controls production, and verifies performance. The test applies short-term heat to samples, assessing fire risk by observing light-off states. It measures ignition hazards of materials by burning them at specified temps and pressures.

Feature

Transparent safety door
The heat-resistant glass observation window allows the test to be observed at any time during the test while keeping the test free from external environmental disturbances.
Automatic heating, illumination, exhaust device
Glowing-wire automatic heating timing, equipped with automatic control of the glowing-wire contact position, precise control, convenient and reliable, and the test device is equipped with lighting and exhaust.
Intelligent touch screen control panel
The microcomputer control system is more efficient and reliable, and the programmable 7-inch color LCD touch screen realizes various functions such as control, detection, calculation and data display.
Stepping motor control - accurate moving speed
The moving speed of the sample is controlled by high-end stepping, which has high precision and long service life. In addition, the test device is equipped with flame ruler, and the flame height can be observed at any time during the test.
Sample rack dis-assembly type design
The sample holder of the test device can be removed for loading and cleaning,and it use physical pressure, which has precise pressure,convenient operation and high efficiency.

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.

Conclusion

The F242 Glow-Wire Tester offers a precise and standards-compliant method for evaluating ignition risk and flammability of electrical materials and components under thermal stress. With automated heating, intelligent touch control, and comprehensive safety features, it ensures accurate, repeatable results. Its wide applicability across electronics, appliances, and material testing makes it an essential tool for product safety evaluation, quality control, and regulatory compliance.

FAQ

1. What is the purpose of a Glow Wire Tester?
The Glow Wire Tester is used to assess the fire hazard of electrical and electronic equipment, solid insulating materials, and other solid combustible materials by simulating thermal stress caused by overheated components.
2. What properties of materials can be evaluated by this test?
The tester evaluates ignition behavior, flammability, Glow Wire Ignition Temperature (GWIT), and Glow Wire Flammability Index (GWFI), which are critical indicators of fire safety performance.
3. Which industries commonly use the Glow Wire Tester?
It is widely used in the electrical and electronics industry, insulation material manufacturing, engineering plastics, automotive components, household appliances, construction materials, textiles, and packaging materials.
4. What temperature range does the tester support?
The glow wire temperature is continuously adjustable from 500°C to 1050°C, with a control accuracy of ±2°C, meeting the requirements of international standards.
5. How is test pressure and penetration depth ensured?
The tester applies a standard force of 0.95 ± 0.1 N and a controlled penetration depth of 7 mm ± 0.05 mm, using a precision limit adjustment system to ensure repeatability and compliance with standards.