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 |
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Sensing distance * |
25 mm |
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Sensing distance adjustable |
3 to 25 mm |
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Detectable object |
Conductors and dielectrics |
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Standard sensing object |
Grounded metal plate: 50 × 50 × 1 mm |
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Differential travel |
15% max. of sensing sensing distance (when adjusted to 25 mm ±10% with standard |
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Response frequency |
70 Hz |
10 Hz |
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Power supply voltage |
12 to 24 VDC (10 to 30 VDC), ripple (p-p): |
100 to 220 VAC (90 to 250 VAC), 50/60 Hz |
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Current consumption |
E and F Models: 10 mA max. at 12 VDC, 16 mA max. at 24 VDC |
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Leakage current |
Y Models: 1 mA max. at 100 VAC (50/60 Hz) with output turned OFF, 2 mA max. at 200 |
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Control |
Load current |
200 mA max. |
5 to 200 mA (resistive load) |
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Residual voltage |
2 V max. (Load current: 200 mA, Cable |
Refer to Engineering Data on Data Sheet |
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Indicators |
Detection indicator (red) |
Operation indicator (red) |
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Operation mode |
E1, F1, and Y1 Models: NO |
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Protection circuits |
Reverse polarity protection, |
Surge suppressor |
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Ambient temperature range |
Operating/Storage: -25 to 70°C (with no icing or condensation) |
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Ambient humidity range |
Operating/Storage: 35% to 95% (with no condensation) |
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Temperature influence |
±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C |
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Voltage influence |
±2% max. of sensing distance at the rated |
±2% max. of sensing distance at the rated |
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Insulation |
50 MΩ min. (at 500 VDC) between current-carrying parts and case |
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Dielectric strength |
1,000 VAC, 50/60 Hz for 1 min between |
1,500 VAC, 50/60 Hz for 1 min between |
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Vibration |
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z |
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Shock resistance |
Destruction: 500 m/s2 10 times each in X, Y, and Z directions |
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Degree of protection |
IEC 60529 IP66 |
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Connection method |
Pre-wired Models (Standard cable length: 2 m) |
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Weight (packed state) |
Approx. 200 g |
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Materials |
Case |
Heat-resistant ABS |
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Sensing surface |
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Accessories |
Mounting Bracket, Sensitivity adjustment driver, 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 |
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Sensing distance *1 |
20 mm |
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Sensing distance |
3 to 20 mm |
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Detectable object |
Conductors and dielectrics |
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Standard sensing object |
Grounded metal plate: 50 × 50 × 1 mm |
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Differential travel |
15% max. of sensing distance (when adjusted to 20 mm ±10% with standard sensing |
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Response frequency *2 |
40 Hz |
AC power: 25 Hz, DC power: 40 Hz |
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Power supply voltage |
12 to 24 VDC (10 to 30 VDC), ripple (p-p): |
24 to 240 VAC (20 to 250 VAC), 50/60 Hz; |
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Current consumption |
13 mA max. at 24 VDC |
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Leakage current |
--- |
1.5 mA max. at 24 VDC, 1.7 mA max. at 110 |
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Control |
Load current |
250 mA max. |
5 to 200 mA (resistive load) |
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Residual voltage |
2.5 V max. (Load current: 250 mA, Cable |
AC power: 10 V max., DC power: 8 V max. |
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Indicators |
Operation indicator (yellow) |
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Operation mode |
C1/T1 Models: NO |
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Protection circuits |
Reverse polarity protection, Load short- |
--- |
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Ambient temperature range |
Operating/Storage: -25 to 70°C (with no icing or condensation) |
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Ambient humidity range |
Operating/Storage: 35% to 95% (with no condensation) |
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Temperature influence |
±15% max. of sensing distance at 23°C in the temperature range of -10 to 55°C |
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Voltage influence |
±2% max. of sensing distance at the rated voltage in rated voltage ±15% range |
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Insulation resistance |
50 MΩ min. (at 500 VDC) between current-carrying parts and case |
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Dielectric strength |
1,000 VAC, 50/60 Hz for 1 min between |
1,500 VAC, 50/60 Hz for 1 min between |
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Vibration resistance |
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 hours each in X, Y, and Z |
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Shock resistance |
Destruction: 500 m/s2 10 times each in X, Y, and Z directions |
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Degree of protection |
IEC 60529 IP65 |
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Connection method *3 |
Pre-wired Models (Standard cable length: 2 m) |
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Weight (packed state) |
Approx. 240 g |
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Materials |
Case |
PBT |
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Sensing surface |
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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.