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The mechanical quantity to be measured, such as displacement, pressure change into an electrical capacitance sensor. Therefore, capacitive sensors can be divided into pole pitch change type, area change type, change the media type categories. Pole pitch change type is generally used to measure the tiny lines or due to force displacement, pressure, vibration caused by the pole pitch changes (see capacitive pressure sensor). Area change type is generally used to measure the angular displacement or larger linear displacement. Change media type commonly used in level measurement and a variety of medium temperature, density determination and humidity.
Features
High brightness dual LED makes you easy to know the current operating situation.
L.on/D.on Switch function.
Easy to install.（30*49.5*32.7mm）
Prevent from water and oil,dust cover attached.
Technical Parameter
| Model | NPN L.on/D.on | TQ18-10/20N | TQ18-10/20NK1 |
| PNP L.on/D.on | TQ18-10/20P | TQ18-10/20PK1 | |
| Sensing type | Diffuse reflection | ||
| Sensing distance | 10cm/40cm, white paper 100*100(10/40cm) | ||
| Emitting light | lnfrared LED 850nm | ||
| Operating voltage | DC12～24V | ||
| Current Consumption | 34mA Max | ||
| Load current | 100mA Max.at DC24V | ||
| Response time | 1.5ms Max. | ||
| lnsulation resistance | 20MΩmin.(DC500V) | ||
| Voltage withstandabiligy | AClOOOV 60Hz for 60 Sec | ||
| Operating temperature | -25℃～+60℃ | ||
| Ambient humidity | 35%～85%RH | ||
| Protection degree | IP66 | ||
| Material | ABS | ||
| Wiring method | PX:Pre-wiredΦ4.22M/4-wires | M12 plug-in connector type/M12 | |
| PX:Pre-wiredΦ4.22M/2-wires | |||
| Weight | Approx.65g | Approx.18g | |
Dimension
