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E2K-L26MC1 2M

Liquid Level Sensor


Liquid level sensor, Applicable tube diameter 12 to 26 mm dia., NO, Cable length 2 m

Sensing head size 33 mm x 34 mm x 20 mm
Type Square type, Capacitive type, Unshielded
Power source DC Three-wires models
Operation mode NO

Item list of E2K-L

  • Ratings/Performance
Sensing head size33 mm x 34 mm x 20 mm
TypeSquare type, Capacitive type, Unshielded
Power sourceDC Three-wires models
Differential distance0.3 to 3 mm
Repetition precision±0.2 mm max.
Sensing objectLiquid
Power supply voltage12 to 24 VDC ripple (p-p) 10% max.
Operating voltage range10.8 to 30 VDC
Current consumption12 mA max.
Control output (Output type)NPN open collector
Control output (Switching capacity)100 mA max.
Control output (Residual voltage)1 V max. (Load current 100 mA with cable length of 2 m)
IndicatorDetection indicator (orange)
Operation modeNO
Sensitivity settingSensitivity adjuster
Ambient temperature (Operating)0 to 55 ℃
Ambient temperature (Storage)-10 to 65 ℃
Ambient humidity (Operating)25 to 85 %
Ambient humidity (Storage)25 to 85 %
Temperature influence±4 mm of detection level at 23 ℃ in the temperature range of 0 to 55 ℃ (with pure water or 20% saline solution)
Voltage influence±0.5 mm of detection level at the rated voltage in rated voltage ±10% range
Insulation resistanceBetween charged parts and the case: 50 MΩ min. at 500 VDC
Dielectric strengthBetween charged parts and the case: 500 VAC 50/60 Hz 1 min
Vibration resistanceDestruction: 10 to 55 Hz, 1.5 mm double amplitude each in X, Y, and Z directions for 2 h
Shock resistanceDestruction: 500 m/s2 3 times each in X, Y and Z directions
Degree of protectionIEC: IP66
Connection methodPre-wired models (2 m)
WeightPackage: Approx. 70 g
MaterialCase: Heat-resistant ABS resin
Cable clamp: NBR
  • Dimensions


  • Output circuit

Output circuit

Timing chart

  • Mutual interference

Mutual interference

D: 10 mm min., E: 10 mm min., F: 30 mm min.

  • Effects of surrounding metals

Effects of surrounding metals

A: 25 mm min., B: 0 mm min., C: 40 mm min.


Liquid Level Sensor