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Hot Wire Ignition Tester
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Hot Wire Ignition Tester

It is suitable for electric and electronic products, household appliance materials to do ignition dangerous test. It simulates the heat source or ignition source of simulates glow component and overload resistance which may cause thermal stress in a short time.
Number of views:
1000
Product serial number
HWI-1
Quantity
-
+
1
Datils

Standard

IEC60950-1 IEC60947-1:2011IEC60695-2-20.

Application

It is suitable for electric and electronic products, household appliance materials to do ignition dangerous test. It simulates the heat source or ignition source of simulates glow component and overload resistance which may cause thermal stress in a short time.

Test sample

Information technology equipment, low voltage switch and control equipment parts.

Feature

Hot-wire coil ignition test adopts the specific size (ф0.5mm length:250mm) and specific material (Ni80/Cr20) of heater strip which is pre-annealed with required heating power(0.26W/mm) and time (8s12s). Then coil heater strip on the specimen for 5 cycles according to certain wire wrapping tension (5.4N) and certain wire wrapping distance (6.35mm). Next, take the specimen with wrapping heater strip to test until 120s under the stipulate heating power (0.26W/mm) the users can judge the fire risk according to whether the specimen ignite and the ignite time.

 

Parameters

Working voltage

220V/50Hz

Control operation mode

Electrical control, button operation

Heating coil

ф0.5mmNi80/Cr20length:250mm±5mm ,cold resistance 5.28Ω/m

Anneal holder distance

250mm

Specimen holder distance and height

70mmheight:60mm (the distance between the holder surface to the tray surface)

Wire wrapping tension and its distance

5.4N±0.05N, 6.35mm±0. 5mm (within 31.5mm±0.5mmcoil 5 cyclenational standard is 6mm)

Annealing time and power

8s12s(1s999.9s digital display can be preset)0.26W/mm±4%(digital display is adjustable)

Testing time and power

120s(1s999.9s digital display can be preset)0.26W/mm±4%( digital display is adjustable)

Specimen size

L×W×H:(125 ± 5mm) ×(13.0 ± 0.5mm) ×(0.75+0.075  0mm,1.5+0.15  0mm,3+0.3  0mm)[national standard is 0.75± 0.1 mm,1.5± 0.1 mm3± 0.2 mm]  

Test procedure

Automatic control, independent exhaust

Lighting

Equip with lighting in the test chamber, with control

Test chamber and dimension

>0.5³,black matte backgroundwith exhaust fandimension1100*550*1200mm130kg

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