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  7. Main Unit, Shielded Type, M18, NPN

Built-in Amplifier Proximity Sensor for Non-ferrous MetalsED series

Main Unit, Shielded Type, M18, NPN



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M18Threaded type

Detecting distance

5 mm 0.20" ±15%

Detectable object

All metals *1

Standard target (aluminum, t=1 mm 0.04")

18 x 18 mm 0.71" x 0.71"


15% max. of detecting distance

Response frequency

100 Hz

Operation mode


Indicator lamp

Operation indicator: Red LED, Stable operation indicator: Green LED

Temperature characteristics

±20% max. of detecting distance at 23°C 73.4°F, within 0 to 50°C 32 to 122°F

Control output

NPN open collector 100 mA max. (40 V max.), Residual voltage: 1 V max.

Protection circuit

Reversed polarity, surge absorber


Power voltage

12 to 24 VDC ±10 %, Ripple (P-P) 10 % or less

Current consumption

35 mA or less

Environmental resistance

Enclosure rating


Ambient temperature

0 to +50 °C 32 to 122 °F (No freezing)

Relative humidity

35 to 95 % RH (No condensation)

Vibration resistance

10 to 55 Hz, Double amplitude 1.5 mm 0.06", 2 hours in each of the X, Y, and Z directions

Shock resistance

1,000 m/s2, 3 times in each of the X, Y, and Z directions

Case material

Nickel-plated brass


Screw nut x 2,
toothed washer x 1


Approx. 150 g (including 2-m 6.6' cable and nuts)

*1 When detecting ferrous metals, the detecting distance may decrease.

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