注意：更换电池，拆卸2个电池盒固定螺丝。检测组件系列号位于电池盒内。

Note: To replace batteries remove (2) battery case set screws. Test Kit serial number is located on inside of battery case.

youdao

注意：更换电池，拆卸2个电池盒固定螺丝。检测组件系列号位于电池盒内。

Note: To replace batteries remove (2) battery case set screws. Test Kit serial number is located on inside of battery case.

youdao