Specification
| Specifications are subject to change without notice. | ||
| Test Method | A-4 Method (Vertical Method) | Alternative Method (Vertical Burner Method) |
| Burning Box | Inner Diameter: W329 × D329 × H762 mm |
Inner Diameter: W304.8 × D304.8 × H762 mm |
| Specimen | 89 × 254 mm | 70 × 300 mm |
| Burner Angle | Busen Burner, Inner Diameter φ11 mm, Flame Height 38 mm, Attaching 25° to Vertical Direction |
Busen Burner, Inner Diameter φ9.5 mm, Flame Height 38 mm, Attaching Vertical |
| Burner Movement | Automatic Sliding | Automatic Sliding |
| Timer | Ignition Timer: Max. 999.9 sec (Preset method) Flaming Timer: Max. 99,999.9 sec (Preset method) After-flame Timer: Max. 99,999.9 sec (Running method) After-glow Timer: Max. 99,999.9 sec (Running method) |
Ignition Timer: Max. 999.9 sec (Preset method) Flaming Timer: Max. 99,999.9 sec (Preset method) After-flame Timer: Max. 99,999.9 sec (Running method) After-glow Timer: Max. 99,999.9 sec (Running method) |
| Igniter | Automatic Ignition (Plug Method) | Automatic Ignition (Plug Method) |
| Load | 0.54 N, 1.12 N, 2.23 N, 3.34 N (1 pc Each) | 1.11 N, 2.23 N, 3.33 N, 4.45 N (1 pc Each) |
| Accessories | Specimen Holder, Flame Height Measuring Stand, Scale | Specimen Holder, Flame Height Measuring Stand, Scale |
| Power Source | AC 100 V, 1-Phase, 5 A, 50/60 Hz | AC 100 V, 1-Phase, 5 A, 50/60 Hz |
| Heat Source | Methane Gas (Purity: 97 % Over) | Liquid Petroleum Gas or City Gas |
| Dimensions/ Weight (Approx.) | W580 × D450 × H950 mm, 50 kg | W580 × D450 × H950 mm, 50 kg |









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