Level Sensors Liquid Level Detection Densors Water Level Monitoring Module

Description

Read the Detailed User Manual, please Copy → billbigsale.com/source/Sensor/D189.pdf
Product Information:
Product Name: Liquid Level Detection Sensor Module Kit
Level sensor uses infrared optical principle, the detection level, the signal through the optical transmission level is converted to electrical output, the sensor voltage signal acquisition condition determination level, compact design of the sensor, compact, waterproof, cylindrical shape to facilitate drilling installation ; installation forms, and can be set up, under the home, lateral, diagonal installation, the sensor head smooth, easy to clean, but also superior in precision float level switch, controllable accuracy within + 0.5mm, while the existing common float level switches accuracy of + 3.0mm; lighting principles, friction and other mechanical moving parts, greatly increasing the service life ;
Technical parameters:
1, Working voltage : DC5V [ special requirements can be changed 12V/24V]
2, Working current : <10MA
3, the output way: Analog output 0-4.5V
4, the output way: high / low signal output
5, response time : <500ms
6, insulation resistance : 100MΩ
7, Working temperature : -30 ~ 80 oC
8, Operating humidity :0-100% RH
9, Waterproof Features: Fully sealed waterproof design
10, mounting : M15 * 12 hole
11, Lead Length: 0.5 m [ default ]
12, weight : 30g
13, Size : 30mm * 20mm * 12mm
Applications:
Water dispenser, water purifier, air-conditioning fan, humidifier, air conditioning fan, steam etc. need to protect water level control of electrical products, and industrial control liquid level detection ;
Design Considerations: Level sensor acquisition circuit design, the circuit should pay attention to the software control, level switch is not simply the use of high and low potential to judge. For example: for microcontrollers, I / O port voltage is greater than 0.7VDD only reliable considered high potential, I / O port voltage is less than 0.3VDD only reliable considered low potential, the voltage between 0.3VDD and 0.7VDD is high or low is uncertain. So we must use the A / D port to achieve level switches work properly. After sampling the voltage data, analyze the data . Can be sampled once every 0.1 seconds, the voltage of 10 consecutive samples are greater than 0.15V, then that is a lack of water, for 10 samples the voltage is less than 0.15V, it is considered that there is water, and through this way can solve a steam environment, while the scale of the problem is solved ; also, be sure to keep in mind : the end of the level switch must be kept dry, do not let water vapor fled to switch to the inside, or will fail. Use waterproof type.
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