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Electronic Schematics - F

Fluid Level Monitors Circuits

Fluid Level Detector - Here is a simple but versatile circuit of fluid level detector which can be used for various applications at home and in industry. Circuit is built around 2-input NAND Schmitt trigger gates N1 and N2. Gate N1 is configured as an oscillator operating at around 1 kHz frequency.

Fluid Level Detector #2: Circuit is built around2-input NAND Schmitt trigger gates N1 and N2. Gate N1 is configured as an oscillator operating at around1 kHz frequency.

Sonar like method detects fluid level: 07/19/2001 EDN - Design Ideas /  Figure 1 illustrates a simple, cost-effective method of measuring the height of fluid in a column by using ultrasonic waves. Two piezoelectric transducers generate and listen to the ultrasonic acoustical wave.

Fluid Level Sensor - This circuit uses an AC-sensing signal to eliminate electrolytic corrosion on the probes. The AC signal is rectified and used to drive Transistor T1 that drives the relay. The relay is a 12-V type of your choice.

Fluid level control schematic diagrams with LM1830 - The LM1830 fluid level detector circuit is a device intended to signal the presence or absence of aqueous solutions, featuring low external parts count, wide supply operating range, internally regulated supply and AC or DC output.


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