Cảm biến điện dung Omron E2K-L

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Sensors

Sensing method	Applicable pipe diameters	Output configuration/ Operation mode		Model
Capacitive	8 to 11 mm	NPN open-collector output	NO	E2K-L13MC1 2M
	8 to 11 mm		NC	E2K-L13MC2 2M
	12 to 26 mm		NO	E2K-L26MC1 2M
	12 to 26 mm		NC	E2K-L26MC2 2M

Thông số kỹ thuật

Item			E2K-L13MC[]	E2K-L26MC[]
Applicable pipes	Materials		Non-metal
	Size	Diameter	8 to 11 mm	12 to 26 mm
	Size	Thickness	1 mm max.	1.5 mm max.
Detectable object			Liquid *
Repeat accuracy			±0.2 mm max.
Differential travel (Reference value, varies with pipe size and liquid.)			0.6 to 5 mm	0.3 to 3 mm
Power supply voltage (operating voltage range)			12 to 24 VDC (10.8 to 30 VDC), ripple (p-p): 10% max.
Current consumption			12 mA max.
Control output	Load current		100 mA max.
Control output	Residual voltage		1 V max. (Load current: 100 mA, Cable length: 2 m)
Sensing liquid position			Indented mark position (For details, refer to Datasheet)
Indicators			Detection indicator (orange)
Ambient temperature range			Operating: 0 to 55°C (with no icing or condensation), Storage: -10 to 65°C (with no icing or condensation)
Ambient humidity range			Operating/Storage: 25% to 85% (with no condensation)
Temperature influence			±4 mm of detection level at 23°C in the temperature range of 0 to 55°C (with pure water or 20% saline solution) (±6 mm for E2K-L13MC[] with pure water and a pipe diameter of 8 mm)
Voltage influence			±0.5 mm of detection level at the rated voltage in rated voltage ±10% range
Insulation resistance			50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength			500 VAC, 50/60 Hz for 1 min between current-carrying parts and case
Vibration resistance			Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z directions
Shock resistance			Destruction: 500 m/s² 3 times each in X, Y, and Z directions
Degree of protection			IP66 (IEC)
Connection method			Pre-wired Models (Standard cable length: 2 m)
Weight (packed state)			Approx. 70 g
Materials	Case, Cover		Heat-resistant ABS
Materials	Cable clamp		NBR
Accessories			Two bands, Four slip-proof tubes, One driver for sensitivity adjustment, Instruction manual

* Stable detection will not be possible in the following cases. Confirm detection capability with the Sensor installed before
actual application.
1. If the specific inductive capacity or the specific electric conductivity of the liquid is too low, the liquid position may not be
detected since this sensor is a capacitive sensor.
2. If the quantity of liquid is too low or the change in quantity is too low in comparison to the change in liquid level because
the pipe is too thin or the walls of the pipe are too thick
3. If there is a viscous film on the inner pipe wall, large quantities of foam or air bubbles, or excessive buildup of dirt on
the inner pipe wall