Glow Wire Testing Machine/Glow Wire Flammability Testing
Chamber/Combustion Test Equipment
Introduction
Glow wire tester is a simulation experiment project using non-flame
ignition source in accordance to standard requirements of
IEC60695-2-10,UL 746A ,GB/T5169.10,GB4706.1.It makes required
material(Ni80/Cr20) and heating wire in required
shape(Φ4mm-chromel-filament)heated up to test temperature( 550 ℃ ～
960 ℃) for 1min and then broil the specimen using required pressure
(0.95N) for 30s at vertical direction;to check whether the specimen
and bedding material ignite and lasting ignition time to test the
ignition fatalness of electrical and electronic finished devices
Test the ignition performance,ignition temperature (GWIT),solid
insulating material and other solid combustible
material,combustibility and flammability index(GWFI).
Application
Insulating materials or that inside the equipment a burning are
prone reaches a certain temperature to flame spread other solid
combustible materials element. Under certain conditions, such may
be ignited by a hot wire or as the fault current overload and bad
contact, some flowing through the wire, component components will
and cause the nearby parts to ignite.
Technical Parameter
1. Glow wire temp: 100~1000℃±2℃ (Constantly adjustable)
2. Broil time: 0-999.9s±0.1s adjustable (Generally choose 30s)
3. Ignition time: 0-999.9s±0.1s, automatic record, suspension by
wire
4. Smother time: 0-999.9s±0.1s, automatic record, suspension by
wire
5. Thermocouple: Φ1.0mm imported armour (K type)
6. Glow wire: Φ4 mm chromel-filament (Ni80/Cr20)
7. Broil into depth: 7mm±0.5mm
8. Specimen pressure: 0.95N±0.1N
9. Test speed: 10 mm/s to 25 mm/s.
10. Standard: IEC60695-2-10.
11. Test procedure: Automatic control, Independent exhaust system
12. Reference standard: IEC60695-2-10:2000,UL746A
13. Studio volume: Bigger than 0.5 cubic meter (can be customized
as 0.75 or 1cubic meter)
14. External dimension: 1100mmW×700mmD×1300mm
15. Control: Single chip Microcomputer touch screen+button type
double control system, high accuracy temperature gauge,independent
electrical control system, strong anti-interference.
16. Operation with high efficiency: One-touch operation, fast and
highly effectively
17. Standard integration: Program test procedures in accordance
with actual test procedures.
Glow wire | Ø 4mm ± 0.04mm Ni/Cr (80/20), standard |
Temp Range | 500 ~ 1 000 °C± 2 °C adjustable |
Thermocouple | diameter 1.0mm Type K (Ni/Cr~Ni/Al),armored sheath can withstand
temperature -40~ 1100°C |
Searing Time | 30s±0.1s (OMRON H5CN-XAN-Z digital timer, 0-9999s, presettable) |
Light-off Time | 0-999.9 s ± 0.1 s, automatic recording, manual timeout |
Fireout Time | 0-999.9 s ± 0.1 s, automatic recording, manual timeout |
Ironing into depth | 7mm ± 0.5 mm |
Sample pressure | 1N ± 0.2 N |
Test speed | 18 ± 3 mm/s |
Control | Using single chip microcomputer + touch screen control |
Power Supply | 220V, 48-60Hz |
Consult standard | IEC60695-2-10:2013,UL746A |
Chamber | ≥0.5m |
Specifications
Thermocouple diameter:-0.5 mm
Chamber capacity:-0.5 m3
Power:-Electronic
Timer range:-0 to 99.99 s
Material:-SUS 304 Stainless Steel
Test Material:-Insulating/solid combustible materials
Model Number:-D399
Dimension:-1200 (L) x 600 (W) x 1080 (H) mm
Heating current:-120 ~ 150 A
Standard:-IEC 60695
Hot wire:-Made of nickel/chromium
Product Description
IEC 60695 Glow Wire Tester Testing Equipment
Test
Left: Sample carrier small car go left
Right: Sample carrier small car go right
Exhaust: Exhausting
Light: Lighting
Heating: Adjust the current, reach to required temperature. Wait
5min to let the temperature be steady.
Start: Sample carrier automatically moves forward, timers (glow
time, Ti, Te) start working, carrier returns when set glow time
(30s) reached.
Glow time: 30s
Ti: The duration from the beginning of tip application up to the
time at which the test specimen or the wrapping tissue placed below
it ignites;
Te: The duration from the beginning of tip application up to the
time when flames extinguish during or after the period of
application.
Control box: When the sample start burning, press the button on
control box, get ignite time Ti; when flame dies, presses the
button on control box, get flame extinguish time Te.
When test finished, do not open the viewing window until exhaust
for at least 2min.
Test procedure
FAQ
What is a glow wire test?
Glow wire testing used in electrical plastic materials the
plastic’s ability to start or the spread of fire in devices. It
assesses is performed on to if ignited. As a safety test its
purpose resists ignition and to self-extinguish is to prevent the
event of an electrical component becoming overheated.
What is glow wire capable of?
Glow wire compatibility is a short circuit appliance wiring failure
especially mishaps caused by human mishandling, test that ensures
the safety and avoids over-current, or within systems.
What is IEC 60695?
It specifies a procedure to a small-flame ignition source for
comparing the relative small-scale laboratory screening burning
behavior of vertically or from plastic and other non-metallic
horizontally oriented specimens made materials, exposed of 50 W
nominal power.
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