Working principle : the ultrasonic sensor under the control of a microprocessor , transmitting and receiving ultrasonic waves by the ultrasonic wave in the air propagation time t to calculate the distance between the ultrasonic sensor and the measured object s , c the velocity of propagation of sound waves in the air , according to : s = ct / 2 can calculate s, but also because the distance of the ultrasonic sensor and the bottom of the container H is certain , then the analyte substance (liquid) the bit h = H - s .
The main parameters
Power Supply : AC - 220V ? , DC - 24V
Output : 4 to 20mA , RS485
Range : 0 ~ 20m
Control : Road Relay
Blind spot :0.3 - 0 .6 m
Accuracy : 0.25% , 0.5%
Ambient temperature : -25 ° C to 55 ° C
Protection, etc.

Dear customer, We ,Xi’an Yima Opto-electrical Technology Com.,Ltd. is an integrated economic entity of R&D,manufacturing and trading with over 20 years of history . Our business scope covers various fields such as biochemical analysis,environmental protection,industrial testing, bioscience,medical apparatus and instruments,internet technology and some frontier science. Through a long-time development,we own a national resources system of various professional talents , abundant supply for various components &parts and special materials, full producing &processing equipments , strong Technological standardization and a complete quality assurance system. If you need OEM or ODM in manufacturing ,scientific research , market development and or you want to build your own brand in your country, it’s our honor to cooperate with you.In this way ,we have developed many products for our customers from the USA, Europe and South Africa and got good feedback on Alibaba. We firmly believe that science and technology is no boundaries. Our mission is to make every effort to contribute to all humanity. Your earlier friendly enquire from us would be highly appreciated.Thanks in advance! |
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