Countermeasures Against Lightning in Civil Engineering Fields
When lightning discharge occurs between thunderclouds or between a thundercloud and the ground, even induced lightning may damage embedded sensors and nearby measuring instruments if the lightning does not strike directly. Since a discharge between thunderclouds or a lightning stroke in the peripheral region abruptly changes the electric charge on the ground surface, it momentarily induces a high voltage between the ground and the signal or power cable of sensors and measuring instruments. Such high voltage may burn the sensor element and the semiconductors of the measuring instrument as well as damage their insulation characteristics. To minimize the possibility of damage to embedded sensors and nearby instruments due to induced lightning surge, the Kyowa lightning arrester kit JB-100D is installed to the connection near each embedded sensor and the lightning arrester unit HJB-001B is mounted to the indicator. Since the power line may also be affected by the induced lightning, the lightning resistant transformer or the surge absorber is connected to the power supply.
Kyowa Lightning Arrester Kit
JB-100D, 300D
JB-100D
How to Connect Lightning Arrester
(1) To install JB-100D near sensor
(2) To insert 2 each lightning arrester elements and diodes in amplifier
(3) To put surge absorber in power supply
(4) To insert isolation transformer between indicator or power supply and AC outlet
Please feel free to consult us first.
Please feel free to contact us if you have any problems with measurements or if you have questions about our products.
Products
Here are products that support all measurement scenarios, such as strain gages, sensors, and measuring instruments.
Please feel free to contact us if you have any problems with measurements or if you have questions about our products.
Products
Here are products that support all measurement scenarios, such as strain gages, sensors, and measuring instruments.