■ The overhead of the body must be consistent with the pin (slot) to ensure proper installation

■ O ring has a good sealing effect, install tight, need to use silicone oil or water to wet, in order to install

■ The sensor lock must be tightened to prevent excessive pipe pressure leakage or ejection

■ When installing outdoors, pay attention to waterproof treatment; Cables are kept dry to avoid moisture damage

■ Do not lay sensor cables and AC power cables in the same sheath to avoid electronic interference