The measurement medium should be compatible with stainless steel.You can pull the line into a semi-circular and make the vent down. Don't connect the wires when the power is on, connect the power after checking the connection wires. Shell and power should be connected with earth; don't change the welded parts and connected wires of the outgoing products when customer use it. Sensor is related to the precision device, don't disassemble, and what's more, don't touch the diaphragm, in case of break. To avoid being submerged, please add waterproof box in the outdoors and don't block the vent.