|
Type
|
Checklist
|
Judging Criteria
|
Testing Method
|
Test Results
|
Remark
|
|
Performance Testing
|
Electrical Properties Testing
|
Line Resistance
|
Must be within a 10% range of 800ohm (720ohm~880ohm)
|
Measure using a resistance meter
|
Yes
|
Pass
|
|
Power Consumption
|
Must be below 10% of 60W (54W~66W)
|
Measure using a power consumption meter
|
Yes
|
Pass
|
|
Sheet Resistance Distribution Test
|
Difference between minimum and maximum must be within a 10% range
|
Measure resistance every 1cm
|
Yes
|
Pass
|
|
Heat Distribution Measuring Test
|
Difference between minimum and maximum must be within a 10% range
|
Measure temperature of the heating part at temperature of saturation
|
Yes
|
Pass
|
|
Environmental Testing
|
Withstanding Voltage Test
|
No insulation breakdown
|
Apply 2kV for a minute
|
Yes
|
Pass
|
|
Insulation Test
|
Must be 5Mohm and higher
|
Measure insulation resistance using a 500V insulation resistance meter
|
Yes
|
Pass
|
|
Humidity Resistance Test
|
Resistance variation must be below 15% of early performance
|
- Test temperature:40± 2°C
- Test humidity:90~95%
- Idle time:96 hours
|
Yes
|
Pass
|
|
Thermal Shock Test
|
Resistance variation must be below 15% of early performance
|
- Test temp:-25±3°C/85±3°C
- Idle time : 30 min per each
- Test cycle:10 cycles
|
Yes
|
Pass
|
|
Low Temperature Preservation Test
|
Resistance variation must be below 15% of early performance
|
- Test temp:-25±3°C
- Idle time :96 hours
|
Yes
|
Pass
|
|
Salt Water Spray Test
|
Resistance variation must be below 15% of early performance
|
- Test temp: 35°C
- Salt water concentration: 5%
- Spray amount:0.5~3.0ml
- Idle time :48 hours
|
Yes
|
Pass
|