Shenzhen DZH industrial Co. Ltd C201 사용자 설명서
8
5
） Test sample placed in the cold-compartment for 2 hours, then placed the samples into a
heat-compartment for 2 hours; repeated in turn the sample placed in the
cold-compartment and the heat-compartment for 2 hours each. After test time-up to 48
hours, the test sample has been relocated in a room temperature environment.
cold-compartment and the heat-compartment for 2 hours each. After test time-up to 48
hours, the test sample has been relocated in a room temperature environment.
After all the end of the test, test samples must pass the following test.
1. Trip switch position measurement and function measurement.
2. Keys measure - pressing a key with your finger on the middle and edges, check keys.
3. Plastic deformation of the keyboard check.
4. The contact-resistance of keys must less than 500Ω.
5. Check the key letter printing.
5、
、
、
、 Vibration Test
。
Test Environments
22℃ 75%（RH）
。
Package
20pcs/carton
。
Sweep Frequency
10-55-10Hz/minutes
。
Amplitude of vibration
76 cm
。
Orientation Vibration
Each of X, Y, Z direction vibration tests for 1 hour