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E2K-C

Long-distance type

E2K-C

Long-distance Capacitive Sensor with Adjustable Sensitivity

Standard Models

Model E2K-C25M[]1 E2K-C25M[]2 E2K-C25MY1 E2K-C25MY2
Sensing distance * 25 mm
Sensing distance adjustable
range
3 to 25 mm
Detectable object Conductors and dielectrics
Standard sensing object Grounded metal plate: 50 × 50 × 1 mm
Differential travel 15% max. of sensing sensing distance (when adjusted to 25 mm ±10% with standard
sensing object)
Response frequency 70 Hz 10 Hz
Power supply voltage
(operating voltage range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p):
10% max.
100 to 220 VAC (90 to 250 VAC), 50/60 Hz
Current consumption E and F Models: 10 mA max. at 12 VDC, 16 mA max. at 24 VDC
Leakage current Y Models: 1 mA max. at 100 VAC (50/60 Hz) with output turned OFF, 2 mA max. at 200
VAC (50/60 Hz) with output turned OFF
Control
output
Load current 200 mA max. 5 to 200 mA (resistive load)
Residual voltage 2 V max. (Load current: 200 mA, Cable
length: 2 m)
Refer to Engineering Data on Data Sheet
Indicators Detection indicator (red) Operation indicator (red)
Operation mode
(with sensing object
approaching)
E1, F1, and Y1 Models: NO
E2, F2, and Y2 Models: NC
Refer to the timing charts under I/O Circuit Diagrams on Data Sheet for details.
Protection circuits Reverse polarity protection,
Surge suppressor
Surge suppressor
Ambient temperature range Operating/Storage: -25 to 70°C (with no icing or condensation)
Ambient humidity range Operating/Storage: 35% to 95% (with no condensation)
Temperature influence ±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
±25% max. of sensing distance at 23°C in the temperature range of -25 to 70°C
Voltage influence ±2% max. of sensing distance at the rated
voltage in rated voltage ±15% range
±2% max. of sensing distance at the rated
voltage in rated voltage +20%, -10% range
at 100 VAC, ±20% range at 200 VAC
Insulation
resistance
50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between
current-carrying parts and case
1,500 VAC, 50/60 Hz for 1 min between
current-carrying parts and case
Vibration 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 10 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP66
Connection method Pre-wired Models (Standard cable length: 2 m)
Weight (packed state) Approx. 200 g
Materials Case Heat-resistant ABS
Sensing surface
Accessories Mounting Bracket, M4 screws, Instruction manual

* The set distances are sensing distances applicable to standard sensing objects. Refer to Engineering Data on Data
   Sheet for other materials.

Noise-resistant Models

Model E2K-C20MC1 E2K-C20MC2 E2K-C20MT1 E2K-C20MT2
Sensing distance *1 20 mm
Sensing distance
adjustable range
3 to 20 mm
Detectable object Conductors and dielectrics
Standard sensing object Grounded metal plate: 50 × 50 × 1 mm
Differential travel 15% max. of sensing distance (when adjusted to 20 mm ±10% with standard sensing
object)
Response frequency *2 40 Hz AC power: 25 Hz, DC power: 40 Hz
Power supply voltage
(operating voltage range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p):
10% max.
24 to 240 VAC (20 to 250 VAC), 50/60 Hz;
24 to 240 VDC (20 to 250 VDC)
Current consumption 13 mA max. at 24 VDC ---
Leakage current --- 1.5 mA max. at 24 VDC, 1.7 mA max. at 110
VAC (50/60 Hz), 2.5 mA max. at 250 VAC
(50/60 Hz)
Refer to Engineering Data on Data Sheet.
Control
output
Load current 250 mA max. 5 to 200 mA (resistive load)
Residual voltage 2.5 V max. (Load current: 250 mA, Cable
length: 2 m)
AC power: 10 V max., DC power: 8 V max.
Refer to Engineering Data on Data Sheet.
Indicators Operation indicator (yellow)
Operation mode
(with sensing object
approaching)
C1/T1 Models: NO
C2/T2 Models: NC
Refer to the timing charts under I/O Circuit Diagrams on Data Sheet for details.
Protection circuits Reverse polarity protection, Load short-
circuit protection
---
Ambient temperature range Operating/Storage: -25 to 70°C (with no icing or condensation)
Ambient humidity range Operating/Storage: 35% to 95% (with no condensation)
Temperature influence ±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
±25% max. of sensing distance at 23°C in the temperature range of -25 to 70°C
Voltage influence ±2% max. of sensing distance at the rated voltage in rated voltage ±15% range
Insulation resistance 50 MΩ min. (at 500 VDC) between current-carrying parts and case
Dielectric strength 1,000 VAC, 50/60 Hz for 1 min between
current-carrying parts and case
1,500 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 10 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP65
Connection method *3 Pre-wired Models (Standard cable length: 2 m)
Weight (packed state) Approx. 240 g
Materials Case PBT
Sensing surface
Accessories Mounting Bracket, M4 screws, Instruction manual

*1. The set distances are sensing distances applicable to standard sensing objects. Refer to Engineering Data on Data
       Sheet for other materials.
*2. The response frequency is an average value.
*3. Only 2-m cables are available. Use a cable with a conductor cross section of 0.5 mm2 or greater to extend the cable.