This experimental instrument meets the standards: IEC60695 - 2 - 10 / 11 / 12 / 13、IEC60884-1、GB2099.1、IEC60335-1、GB4706.1、VDE0620
Mainly used for electronic and electrical components or parts that may reach excessively high temperatures or ignite nearby parts under fault or overload conditions. The hot wire test simulates the thermal stress caused by heat sources or ignition sources such as hot elements or overloaded resistors in a short period of time, and evaluates the fire hazard using simulation technology.
During the use of the product, there is a risk of ignition due to overload, short circuit, poor electrical contact, or other fault conditions that may reach excessively high temperatures. The hot wire test simulates an overloaded resistance heat source applying thermal stress to a sample in a short period of time, and evaluates the ignition hazard of the sample through observation and measurement.
The hot wire tester heats an electric wire of specified material (φ 4>77% Ni/20 ± 1% Cr) and shape with high current to the test temperature (550 ℃~960 ℃) for 1 minute, and then vertically burns the test sample at the specified pressure (0.95N) for 30 seconds. The ignition hazard of the finished electrical and electronic equipment is determined based on whether the test sample and the substrate ignite or hold on for a certain period of time; Determine the ignition properties, ignition temperature (GWIT), flammability, and flammability index (GWFI) of solid insulation materials and other solid combustible materials.
Suitable for research, production, and quality inspection departments of electrical and electronic products and their component parts, such as lighting equipment, low-voltage appliances, household appliances, machine tool appliances, motors, power tools, electronic instruments, electrical instruments, information technology equipment, electrical affairs equipment, electrical connectors, and accessories. It is also applicable to industries such as insulation materials, engineering plastics, or other solid combustible materials.
During the use of the product, there is a risk of ignition due to overload, short circuit, poor electrical contact, or other fault conditions that may reach excessively high temperatures. The hot wire test simulates an overloaded resistance heat source applying thermal stress to a sample in a short period of time, and evaluates the ignition hazard of the sample through observation and measurement.
The hot wire tester heats an electric wire of specified material (φ 4>77% Ni/20 ± 1% Cr) and shape with high current to the test temperature (550 ℃~960 ℃) for 1 minute, and then vertically burns the test sample at the specified pressure (0.95N) for 30 seconds. The ignition hazard of the finished electrical and electronic equipment is determined based on whether the test sample and the substrate ignite or hold on for a certain period of time; Determine the ignition properties, ignition temperature (GWIT), flammability, and flammability index (GWFI) of solid insulation materials and other solid combustible materials.
The control system of this testing instrument is automated. After starting, the small car that holds the sample will automatically move the sample to the hot wire. After reaching the set hot time, it will automatically return. The interior has a black background and is equipped with ventilation and lighting devices. The time and temperature digital displays are convenient for observation and recording.
Serial Number |
project |
parameter |
1 |
model |
SC-ZR506 |
2 |
Glow wire |
Ø 4mm ± 0.04mm nickel chromium wire (77% Ni/20 ± 1% Cr) |
3 |
thermocouple |
Temperature measurement adopts Ø 1.0mm nickel chromium armored (K-type) imported thermocouple |
4 |
temperature |
Adjustable from room temperature to 1000 ℃ |
5 |
Temperature tolerance error |
500 ~ 750℃±5℃; 750 ~ 960℃±10℃ |
6 |
test pressure |
0.95N±0.1N |
7 |
pressed depth |
7mm ± 0.5mm |
8 |
movement speed |
10mm /s~25mm /s |
9 |
Test time |
30s ± 0.1s, adjustable within the range of 0~99 minutes and 99 seconds |
10 |
Ignite the thickness of the cushion plate |
10mm thick white pine board covered with 12g/m2~30g/m2 standard silk paper |
11 |
Experimental area volume |
≥ 0.5m3 black background with glass observation door; |
12 |
Illumination inside the box |
Less than 20LUX |
13 |
Power supply power |
AC 220V /50Hz |