Contact type water level sensor
The Contact type water level sensor uses a floating ball component as the measuring element, which moves the floating ball up and down through the action of liquid buoyancy, thereby detecting the height of the liquid level.
Description
Shandong Aipuxin Automation Instrument Co., Ltd. is one of leading manufacturers and suppliers of contact type water level sensor in China, also supports customized service with low price. Please rest assured to wholesale cheap contact type water level sensor in stock here from our factory.
Technical Parameter
|
Measured medium |
Various liquid media |
|
Medium temperature range |
-40℃~150℃ |
|
ambient temperature |
-40℃~80℃ |
|
Pressure range |
-98KPa~4MPa |
|
Shell material |
Die cast aluminum alloy |
|
Sensor material |
304/316/PP/ Tetrafluoro |
|
Floating ball material |
316L/PP/coatingPTFE |
|
Explosion proof grade |
Exd ia IIC T6 Ga |
|
Enclosure protection class |
IP65 |
|
Safety certification level |
SIL2 |
|
Connection mode |
Threaded connection, flange connection, hygienic quick installation connection are available |
|
Supply voltage |
24V±2.4V. DC |
|
output signal |
4-20mA,HART,RS-485,MODBUS agreement |
|
Electrical interface |
M20*1.5 |
|
measurement accuracy |
±1mm |
|
error |
0.1% |
|
Repeatability |
be better than±0.002%FS |
|
Indication mode |
LCD |
|
Wetted material |
Stainless steel / stainless steel + PTFE |

Working principle
Contact type water level sensor is a device commonly used to measure the liquid level of storage media in oil refineries, oil depots, petrochemical enterprise storage tanks, tank trucks, etc. It has the advantages of high measurement accuracy, good reliability, and simple installation and maintenance. This device uses the physical properties of magnetostriction to measure liquid level, eliminating factors such as dielectric constant, temperature or pressure changes of the medium.
The device consists of three parts: detection rod, circuit unit and float. During measurement, the circuit unit generates a current pulse, which propagates downward along the magnetostrictive line and generates a ring-shaped magnetic field. There is a float outside the detection rod, which moves up and down as the liquid level changes. Since the float is equipped with a set of permanent magnets, the float generates a magnetic field at the same time. When the current magnetic field meets the float's magnetic field, a "twist" pulse, or "return" pulse, is produced. The time difference between the "return" pulse and the current pulse is converted into a pulse signal, thereby calculating the actual position of the float and measuring the liquid level.
In tank trucks, the application of Contact type water level sensor has the following advantages:
There is no need to open the can lid for measurement, thus avoiding the unsafety that may be caused by manual measurement.
It is easy to install and maintain. It is generally installed through the existing pipe opening on the top of the tank. It is especially suitable for the installation of underground storage tanks and storage tanks that have been put into operation, and can not affect normal production during the installation process.
It is conducive to the automation of the system. Its secondary instrument adopts standard output signals, which facilitates the microcomputer to process the signals, easily realizes networking work, and improves the automation of the entire measurement system.
In addition, it has good environmental adaptability and can operate stably in harsh environments, such as corrosive media, by using a liquid level gauge made of stainless steel with a PTFE fluorine-lined float and probe rod for measurement.
In general, the application of Contact type water level sensor in tank trucks provides an efficient, accurate and safe solution for liquid level measurement.

Product Features

Product Details



Product Application
Contact type water level sensor plays an indispensable role in the accurate measurement of clean liquid level with its excellent performance and wide range of application fields. Its high-precision characteristics make the measurement error extremely small and can reach the accuracy requirement of 1mm, meeting the needs of various high-precision liquid level measurements.
Whether it is precise control of food liquids in food storage tanks, strict monitoring of chemical substances in ammonia and petroleum product storage tanks, or strict quality control in the production of liquid pharmaceuticals, it can provide reliable Liquid level data ensures the smooth progress of the production process.
With its high accuracy, high reliability and wide range of applications, this instrument has become an ideal choice in the field of liquid level measurement. Whether it is industrial production or scientific research experiments, it can provide users with accurate liquid level information and help the sustainable development of various industries.


Contact type water level sensor are used for industrial measurement and control of liquid levels in various liquid tanks such as petroleum, chemical raw material storage, industrial processes, biochemistry, medicine, food and beverage, tank farm management, and underground inventory at gas stations. They also monitor dam water levels, reservoir water levels, and sewage treatment.
Unable to measure viscous media
certificate
12 month warranty period; Lifetime maintenance free

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