BS 476-4 Micro Computer Non-Combustibility for Material
Application:
When a certain amount of gas is supplied to the box and the standard ignition source is used to ignite the flame, this instrument can be used to test the ability of the vertical flame propagation to be restrained under the standard conditions of the vertically installed bundles of wire, cable or optical fiber cable.
Standards:
- BS 476-4
- EN IS01182
- GB/T 5464
- ASTM E136[3]
Main parameters:
The test equipment includes heating furnace, sample holder, air flow hood, thermocouple, power stabilizer, voltage regulator, intelligent temperature control device, computer (temperature curve can be recorded and all test data can be recorded)
| Draught shield | Φ75mm×50mm |
| Specimen holder mass | 15±2 g |
| Voltage stabilizer | 1.5KVA,accuracy of output voltage within ±1% |
| Variable transformer | 0~100V |
| Thermometer | 0~1000±5% |
| Environment temperature | 25ºC~35ºC |
| Timer | 0~99h |
| Power | AC220V ± 10%, 50Hz, current ≤10A |
| Furnace temperature | 750±5ºC |
| Furnace temperature drift | <2ºC/10min |
| Heating power | 800-1000W, maximum power:1.5KW |
| The bulk density of the Magnesium Oxide Powder | (170±30)kg/m³ |
Furnace:
-Φ95mm×Φ75mm×Φ150mm,80/20 nickel/chromium electrical resistance tape 3mm wide and 0.2mm thick.
Thermocouple
-insulated nickel-chromium - nickel - aluminum armored Φ1.5 mm
-We can provide two free thermocouples, you can also purchase extra spare parts if you need them later.
Mirror
- equipped with mirror to see the interal of the furnace
- a mirror 300mm square, at an angle of 30° to the horizontal
Equipment structure:
-The machine is composed of heating furnace, control box, computer and air current stabilizer.
-Combustion chamber size: L700*W400*H850 (mm).
-The combustion box and control box are made of high quality SUS304 stainless steel.The internal parts are made of SUS304 stainless steel and are well rustproof.
-The equipment adopts industrial computer and 16-bit high-precision AD acquisition card, and the data collection is completely processed by computer.
-The experimenter can see the test data and temperature curve in real time.The test report is automatically generated after the test is finished, which is convenient for operators to save and print and transmit.
- a specimen holder and insertion device.
- a tubular electric furnace comprising a tube of refractory material.
About daxian company:
DAXIAN's testing equipment are widely used in various field: scientific institutions, colleges, inspection institutions, auto parts, electronics, electricals, LED, photoelectricity, mobile, plasticand rubber, telecommunication, chemical industry, aerospace, building material and product, wire and cable,textile and fabrix, etc. All DAXIAN testing equipment are designed according to international test standards, such as ISO, ASTM, DIN, EN, GB, BS, JIS, UL, TAPPI, AATCC, IEC, VDE, CSA,CEN and so on.
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