Water detection sensor
| Series | Series / Model | Operation mode | Control output |
|---|---|---|---|
 GT2-WS/GT2S-WS | GT2-WS LED light absorption type Water detection sensors | Light-ON/Dark-ON selectable | NPN |
| GT2-WS/GT2S-WS | GT2S-WS LED light absorption type Water detection sensors | Light-ON/Dark-ON selectable | NPN |
 F70A-WS | F70A-WS Water detection fiber optic sensor LED wavelength selective absorption type | NPN | |
 LS series | LS-24L Liquid Level Sensor for thin diameter pipes | Light-ON | NPN |
| LS series | LS-24D Liquid Level Sensor for thin diameter pipes | Dark-ON | NPN |
| LS series | LS-24LP Liquid Level Sensor for thin diameter pipes | Light-ON | PNP |
| LS series | LS-24DP Liquid Level Sensor for thin diameter pipes | Dark-ON | PNP |
| LS series | LS-5L Liquid Level Sensor for thin diameter pipes | Light-ON | NPN |
| LS series | LS-5D Liquid Level Sensor for thin diameter pipes | Dark-ON | NPN |
| LS series | LS-5LP Liquid Level Sensor for thin diameter pipes | Light-ON | PNP |
| LS series | LS-5DP Liquid Level Sensor for thin diameter pipes | Dark-ON | PNP |