| ||
|
| Piezo crystal monitors liquid level | Go-WWW |
| Signal conditioning precisely indicates humidity | Go-WWW | |
| Analog Devices | Go-WWW | |
| Low-cost relative-humidity transmitter uses single logic IC | Go-WWW | |
| Hot Water Tank Indicator | Go-WWW | |
| Measure humidity and temperature on one TTL line | Go-WWW | |
| Fluid Level Sensor | Go-WWW | |
| Water-Level Sensor Uses Hysteresis | Go-WWW | |
| Circuit checks swamp-cooler water level | Go-WWW | |
| Humirel | Go-WWW | |
| Sonarlike method detects fluid level | Go-WWW | |
| RF/Capacitance Level Instrumentation | Go-WWW | |
| Moisture Alarm | Go-WWW | |
| Water Level Indicator With Alarm | Go-WWW | |
| Capacitance type liquid level monitor | Go-WWW | |
| Capacitance type liquid level monitor | Go-WWW | |
| One-wire bus powers water-level sensor | Go-WWW | |
| Transmitter senses triple relative-humidity figures | Go-WWW | |
| ||