Views: 50 Author: Site Editor Publish Time: 2022-11-09 Origin: Site
Every winter, the south convenient rainy, wet and cold people can not bear, washing clothes will always dry, after the washing machine dehydrated, the next day is still a model of damp, after a long time and musty smell. At this time, it is very necessary to buy a dryer. How to choose a dryer? What are the inspection precautions and standards for dryer?
I. Inspection of appearance, packaging and marking
Observe whether the package is complete, free of breakage and extrusion, and whether the package conforms to the product package instructions. Observe the overall appearance of the product to see whether it is the same as the figure. Whether the manual, warranty card and so on are complete. Is the outer box size consistent with the product book?
Ii. Data measurement and field test
1. Drop test for shipping (not for fragile products)
According to ISTA
1A standard execution of the drop test, after 10 falls, the product and packaging should be free of fatal and serious problems.
2. Measurement of product size/power cord length/product weight
Apply +/-3% tolerance according to product specifications and approved samples if the customer does not provide detailed tolerance or tolerance requirements
3. Scan the barcode/QR code
The bar code can be scanned, and the scanning results are correct
4. Assembly/installation check
The product should be assembled correctly according to the instructions or instructions. No ill effects
5. Full feature check (including features that must be assembled)
Such functions as installation, adjustment, switch/knob, setting, display, and use should all work well. All functions shall conform to the declaration.
6. Coating adhesion test
With 3 m
600 adhesive paper for oil injection, hot stamping, UV coating, printing adhesion test, the content can not be 10% off,
7. Check the startup
The sample shall be powered at rated voltage and work for at least 4 hours under full load or according to the instruction (if less than 4 hours). After testing, the sample shall be able to pass the high voltage test, function test, grounding resistance test, etc., with no defects in the junction test
8. Grounding test (if applicable)
Lighting: Minimum 10 amps, one second, resistance not greater than 0.5 ohms
Other household appliances: 25 amp, one second, resistance not greater than 0.1 ohms
Us and Canada: 25 amps, one second, resistance not greater than 0.1 ohms
9. Power consumption check or input power/current check
Power consumption/input power/current should comply with product specifications and safety standards
10. Power cable tension test
IEC standard: Pull 25 times, no more than 1KG, pull 30N, no more than 1KG, no more than 4
KG, pull 60N, greater than 4kG, pull 100N. After the pull line displacement does not exceed 2mm. UL
Standard: Pull 35 LBS 1 min, line without displacement.
11. Internal work and inspection of key parts
Check the internal structure and key components by CDF or CCL
12. Adhesion test of printing, identification and nameplate
Wipe 15S rated stickers with a cloth dipped in water, and then wipe 15S with a cloth dipped in gasoline. There should be no bad effects
13. Stability test (for vertical products)
The product is normally placed on an inclined surface at 10 degrees from the horizontal plane (heater
15 degrees), the power cord should be placed in the most unfavorable position, the appliance should not tip over.
14. High pressure test
Operate with the required voltage (voltage depending on the product class or the voltage below the root)
Between the parts to be tested, action time 1S, current 5mA. Required test electrical
Pressure: Products sold to the US or Canadian market shall be 1200Va.c. Sold to Europe
Class I is 1000Vac, Class II sold to Europe is 2500Vac. No insulation breakdown
15. Speed test
No reference standard
16. Noise test
No reference standard
17. Low voltage start
80% of the rated voltage can be started normally
18. Leakage current test
127V leakage is less than 0.75mA
19. Temperature test
Test the maximum cavity temperature
20. Product capacity check
Check the product volume capacity based on the actual capacity.