Glow Wire Test Chamber for Materials Fire Resistance Testing
1. Main Technical Parameter :
1, Glow wire temperature: 500 ~ 1000 ºC ± 2 ºCadjustable,
2, Heating time: 0-999.9s ± 0.1s,adjustable (normally choose to 30s)
3, Ignition timer: 0-999.9s ± 0.1s, automatically records, manually suspended
4, Flame extinguish time: 0-999.9s ± 0.1s, automatically records, manually suspended
5,Thermocouple: Φ0.5mm sheathed K-type thermocouple.
6, Glow wire: Φ4 mm nickel chromium wire.
7, hot depth: 7mm ± 0.5mm (to maintain the pressure of 1N ± 0.2N hot products into the test)
8, Sample frame speed: about 14mm / s.
9, the pilot background: black background.
10, the pilot process: automatic testing procedures, independent ventilation
11, reference: GB/T5169.10-2006, IEC60695-2-10, UL746A
12, Studio volume: 0.5 cubic
13, equipment size: 1000mm wide × 650mm deep × 1300mm high
14, power supply: AC220V ± 5%, 50Hz, 0.6KVA
2. Work Conditioning :
1) Work temperature is between 5ºC and 40ºC.
2) Relative humidity is not more than 85%.
3)Power supply should be AC220V±5%, 50HZ.
4)Use standard electrical outlet. Use 250 Voltage by ten ampere /Three Phase standard electronic outlet and earthing pole needs connect to earth wire.
| Temperature of the tip of glow-wire |
Electric current |
| 550ºC |
65A~75A |
| 650ºC |
80A~90A |
| 750ºC |
95A~105A |
| 850ºC |
110A~120A |
| 960ºC |
130A~140A |
3. Work Principle :
1) After putting the test specimen to the fixture, test specimen could be driven by electronic engine and could go left or right automatically control in the test process.
2) Mount glow wire. Test specimen carriage turns right to glow wire with hammer pulling the carriage in order to keep the force within 1 newton. The force shall be maintained at this value when the glow-wire or the test specimen is moved horizontally one toward the other. The penetration of the tip of the glow-wire into the through the test specimen shall be limited to 7mm.
3) Application time that glow wire tip is applied to the test specimen is controlled by numeric relay beforehand.
4) Ignition time is measured by numeric and controlled by button.
5) Flame extinguishing time is measured by numeric relay and controlled by button.
6) Glow wire temperature is controlled by adjusted glow wire current and measured precisely by Temperature controller.
4. Product Pictures :
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