CHINA NBC-4324 Glow-Wire Tester is used for electricians and their components and components, and is also suitable for solid electrical insulation materials or other solid combustible materials. The NBC-4324 Glow-Wire Tester is made of nickel/chromium wire with a diameter of 4.0mm. The temperature measuring device is 0.5mm armored filament Thermocouple, which can withstand high temperatures of 1050 ℃.