One, thunder can cause what kind of effect to sensor:

 

1, thunder invades burned-out sensor through power source part.

 

2, component of electron of appearance of powerful magnetic field is accompanied to produce magnetic induction while thunder arises, the instant generates strong tension and electricity, puncture insulation is burned-out sensor.

 

3, thunder pulse invades flow transducer through wireless network burned-out communication chip or sensor.

 

  

2, prevent thunder to want a foundation spot environment, cannot general adopt a kind of plan that prevent thunder, the commonly used plan that prevent thunder has:

 

1, exterior prevent thunder. Include lightning rod, avoid thunder is taken, bring get offline, ground connection pole is waited a moment.

 

2, interior prevents thunder. The front installation that protects facility in need prevents Lei Qi suitably, make equipment, circuit and big landform become conditional equipotential body.

 

These two kinds of plan that prevent thunder complement each other, noumenon of building of protection of the outside system that prevent thunder is avoided suffer be struck by lightning, and interior prevents thunder is the overvoltage that prevents inductive thunder and other form invades equipment to cause damage.

 

If flow transducer has damaged, had better check first whether to contain lightning rod, some words measure ground connection resistance in test point eligible; If flow transducer is with conduit flange connective, still need to check interior whether has been the ground connection screw of enlarge board received, crust can do a bottom line to arrive repeatedly on conduit flange bolt with cupreous net alone, be cable takes a line again, the protection outside is in charge of and ministry of end of join metal collapsible tube must be twisted with chuck into the aperture that take a line inside; Still can add a surge protector in front in addition.

 

 

Still get a specification, either when sensor is installed, considered to defend thunder measure, the job had ended. The eddy street flow transducer that also needs pair of installation likewise before annual thunderstorm is seasonal makes regular inspection. When if discover ground connection resistance,having very big change, answer ground connection system to have comprehensive examination, can fill when necessary dozen of ground connection picket. If prevent thunder plant because each part conductor is corroded or other reason is caused break off, rustily when amounting to 30% above, must undertake changing. Still need to check the soil all round ground connection device to have additionally wait without settlement phenomenon.

 

Of sensor preventing thunder is a systematic work, cannot because temporarily careless and elliptically among them which one part. The damage that thunder causes to flow transducer is permanent more very not recoverable, the safety that affecting production directly moves, this is affected to the manufacturer of serial production particularly remarkable.