Hot-Wire Ignition Tester For Lab Test Equipment Adjustable Annealing Time
Hot-Wire Ignition Tester
Description:
This tester simulates fire hazards as specified in IEC 60695-2-20, UL 60950, IEC 60950-1999, and ASTM D3874-1997. It employs a heating wire of specific dimensions (0.5mm × 250mm) and material (Ni80/Cr20), pre-annealed at a defined power (0.26W/mm) and duration (8–12 seconds).
The wire is wound in five full turns around the sample at a 6mm pitch, then tested at the same power (0.26W/mm) until ignition or for up to 120 seconds. The test evaluates fire risks based on ignition occurrence or time to ignition.
Standard:
GB/T 4943-2022, IEC 60950:1999, IEC 60695-2-20:2021, UL 60950, ASTM D3874-1997
Technical Parameters:
| Model | 6004-HD |
| Chamber Volume | ≥0.5 m³, with a glass observation door. |
| Heating Wire Specification | Diameter: Ø0.5mm, length: 250mm±5mm, material: nickel-chromium alloy (80% Ni, 20% Cr, iron-free), cold resistance: ~5.28 Ω/m |
| Annealing Stand Spacing | 250mm |
| Sample Stand Spacing | 70mm |
| Sample Stand Height | 60mm |
| Annealing Time | 8–12 seconds (adjustable range: 1–999.9 seconds, digital display) |
| Annealing Power | 0.26W/mm ±4%, digitally adjustable and displayed |
| Test Duration | 120 seconds (adjustable range: 1–999.9 seconds, digital display) |
| Test Power | 0.26W/mm ±4%, digitally adjustable and displayed |
| Sample Dimensions | 130mm (length) × 13mm (width) |
| Key Features | Black interior background, integrated ventilation and lighting, digital display for time and power, ensuring easy observation, recording, and reliable operation. |
| Power Supply | AC 220V, 50Hz. |
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