Sensing Bands boast high degree of chemical resistance. The K7L can be used in a wide range of applications, from semiconductor production installations to food-processing equipment.
Inter-electrode Resistance Detection
Stable detection of liquids with impedances of up to 50 MΩ and common water. Four sensing ranges are available, ensuring detection suited to the application.
![K7L-AT50[] / AT50D[][] Features 2](https://www.ia.omron.com/Images/564_fe_113-228701.jpg)
AC Detection Method
The K7L internally oscillates AC signals provided to the Sensing Band, protecting the Sensing Band from electric corrosion and ensuring safe operation.
![K7L-AT50[] / AT50D[][] Features 3](https://www.ia.omron.com/Images/564_fe_313-228703.jpg)
Noise Canceller Function
The K7L incorporates a noise canceller circuit that uses a 3-conductor cable, ensuring a high level of noise immunity.
![K7L-AT50[] / AT50D[][] Features 4](https://www.ia.omron.com/Images/564_fe_413-228704.jpg)
Multi-channel Applications
Isolation between the power supply circuits and sensing circuits allows multiple channels to be installed in the same location.
![K7L-AT50[] / AT50D[][] Features 5](https://www.ia.omron.com/Images/564_fe_513-228705.jpg)
Detection of Condensation and Liquid Leakage at Semiconductor Production Installations
Detection is also possible for condensation inside cleaning devices and liquid leaked to the surroundings.
![K7L-AT50[] / AT50D[][] Features 6](https://www.ia.omron.com/Images/564_fe_613-228706.jpg)
Sensing Band with Excellent Chemical Resistance
SUS316 and polyethylene are used for the Sensing Band's core and sheath to ensure high resistance to both acidic and alkaline liquids.
![K7L-AT50[] / AT50D[][] Features 7](https://www.ia.omron.com/Images/564_fe_713-228707.jpg)
Detection of Liquid Leakage at Pipe Joints for Liquid Chemical Tanks
Liquid leakage at a pipe joint can be detected by wrapping the Sensing Band around the joint.
![K7L-AT50[] / AT50D[][] Features 8](https://www.ia.omron.com/Images/564_fe_813-228709.jpg)
Liquid Leakage Detection for Measuring Baths in CMP Devices
Liquid leaked to drain pans can be detected to prevent damage to devices and cleaning irregularities for wafers.
![K7L-AT50[] / AT50D[][] Features 9](https://www.ia.omron.com/Images/564_fe_913-228708.jpg)
Detection of Cleaning Fluid Level for Plating Devices
The level of pure water is detected inside plating baths. High sensitivity allows high-accuracy control to prevent cleaning irregularities.
![K7L-AT50[] / AT50D[][] Features 10](https://www.ia.omron.com/Images/564_fe_1013-228710.jpg)
Note: Be sure to ground the baths if two or more K7L Sensors are used in the same tank in an explosion-prevention area.
Tags: K7L-AT50[] / AT50D[][]
