Common uses for ultrasonic level sensors are level, volume, and flow monitoring. Other uses include presence or absence detection, and object dimensioning. Ultrasonic level sensors are typically quite small, low maintenance, and easy to ship and install. Each of our ultrasonic sensors have a microprocessor, which allows for more advanced control. We will not repeat it here to save your time. Why is the green light blinking on my furnace? Just remove the cooker from the stove and allow the pressure drop slowly. $100 in Grocery Coupons with Power. Unplug the pressure cooker and let it cool. This is why, the sensor in the middle is not supposed to touch anything but the bottom of the cooking bowl. Robin is closing in on his 34th birthday ... This schematic diagram shows a water level sensor/detector/monitor circuit. An alarm is also featured in this circuit. Any fluid with a resistance under 900K between the maximum separation distance of the probes will trigger this circuit. A 4050B CMOS hex buffer is used on this circuit that is working at 5 volt supply. Water Level Sensor with Display, Digital Water Level Sensor, Sensor for Water Level manufacturer / supplier in China, offering Fst700-101 Digital Submersible Fuel Water Level Sensor with Display, Infrared Thermal Imager, Automatic infrared temperature measurement system and so on.