YD/T 1539-2006 The reliability technical requirements and test methods of mobile communication handsets explain the adaptability and test methods of mobile communication handsets to sand and dust environment. In this test, the amount of dust in the dry talcum powder and sand dust test chamber (studio and tube passage) which can pass through the square hole screen with a mesh opening of 75 μm and a wire diameter of 50 μm in the shutdown state is 2 kg. After 8 hours of dusting in /?, no dust is allowed on the surface of the LCD screen. The function, appearance and assembly should meet the requirements of relevant standards. Handheld machines with folding, sliding and rotating structures shall be tested in their closed condition. The test method is as follows:
First, the test method is carried out in accordance with the relevant provisions of GB/T 2423.37.
Second, the condition test: the test sample is not packaged, the battery is installed, and the normal position is installed in a suitable sand dust test box. The volume should not exceed 1/3 of the effective space of the sand dust test box, and the bottom area should not exceed 1/2 of the effective horizontal area. The distance between the test samples and the inner wall of the dust box should be no less than 100mm. During the test, the temperature in the sand dust test chamber is 15 ° C ~ 35 ° C, the relative humidity is 45% ~ 75%, the air flow speed in the test chamber should ensure that the test dust is evenly and slowly settled on the test sample, the maximum value should not exceed 2 m / s.
3. After stopping the blowing, the test sample should be taken out after the dust has completely settled.
4. After the condition test is completed, the test sample is tested for function, appearance and assembly.
300PCS 11.5 G DICE CHIPS ALUMINUM CASE Poker Chips SETS
| Item | 300pcs Poker Chips Set in Aluminum case |
| Component | 300pcs Poker Chips; 2 playing cards; 5 dices; 3 Dealers |
|
Size |
Diameter: 40mm; thickness 3mm |
|
Material |
ABS+IRON |
|
Weight |
11.5g |
| Color | Red, Green, Black, Blue, white in stock |
300Pcs Poker Chips,Poker Set 300 Chips,Poker Chip Set,Casino Poker Chips
Hangzhou Wonderlandtoys Co., Ltd , https://www.wonderlandtoyscn.com