Shandong Fengtu IOT Technology Co., Ltd
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
Sales Manager:Ms. Emily Wang
Cel,Whatsapp,Wechat:+86 15898932201
Email:info@fengtutec.com
Add:No. 155 Optoelectronic Industry Accelerator, Gaoxin District, Weifang, Shandong, China
time:2022-08-31 17:11:58 source:Weather Station viewed:1654 time
Visibility is measured in two main ways: visually by hand and by automated instruments. Manual visual measurements rely on observers to determine visibility levels by visually assessing the visible clarity of landmarks or objects at different distances at specific times of the day. This method has l...
Ultrasonic measurement of wind speed and direction:Ultrasonic measurement of wind speed and direction is a technology without moving parts and without calibration. The principle is that the ultrasonic wave propagation speed in the air is related to the average wind speed in the air, when the ultraso...
ultrasonic sensor in general An active device that emits ultrasonic waves into and receives ultrasonic waves from the environment and can measure distances and detect the presence of objects....
define rain gauge is an instrument used to measure precipitation in a specific area over a specific time period, especially rainfall....