1.
Drill hole in tank. 2.
Insert switch. 3.
Secure with seal and nut (leak-proof). 4.
Connect leads. Pains: Precision drilling, complex sealing, leakage risk, jamming risk if tilted.
1.
Identify desired level on external tank wall. 2.
Clean surface, peel adhesive backing. 3.
Adhere sensor firmly. 4.
Connect leads. Advantages: No drilling, no sealing, flexible positioning, doubles production efficiency, zero leakage risk.