IPC-TM-650 EN 2022 试验方法1.pdf - 第809页
Note: T a ble 1 T est T em peratures T est Condition Chamber T emperature (°C) T a ble 2 Length of T est T est Time Condition Hours Page 1 of 2
Table 1
Barometric Pressure* Altitude**
In. of
Mercury
MM of
Mercury Feet Meters
27 to 31 685 to 785 Seal Level Seal Level
IPC-TM-650
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Note:
Table 1 Test Temperatures
Test Condition Chamber Temperature (°C)
Table 2 Length of Test
Test Time Condition Hours
Page 1 of 2
IPC-TM-650
Page 2 of 2