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Aluminum-detecting Proximity Sensor


A Proximity Sensor for Aluminum, Brass and Other Non-ferrous Metals. Iron Is Not Detected.

Ratings and Specifications

Model E2EY-X4C1 E2EY-X8C1
Sensing distance 4 mm ±10% 8 mm ±10%
Set distance 0 to 2.8 mm 0 to 5.6 mm
Differential travel 20% max. of sensing distance
Detectable object Non-ferrous metal (Does not detect ferrous metal.)
Standard sensing object Aluminum: 18 × 18 × 1 mm Aluminum: 30 × 30 × 1 mm
Response frequency * 70 Hz
Power supply voltage
(operating voltage range)
12 to 24 VDC (10 to 30 VDC), ripple (p-p): 10% max.
Current consumption 20 mA max.
NPN open-collector output, 100 mA max. (at 30 VDC)
2 V max. (Load current: 100 mA, Cable length: 2 m)
Indicators Detection indicator (red)
Operation mode
(with sensing object approaching)
Load ON: NO (Refer to Datasheet.)
Protection circuits Reverse polarity protection, Load short-circuit protection, Surge suppressor
Ambient temperature range Operating/Storage: -10 to 55°C (with no icing or condensation)
Ambient humidity range Operating/Storage: 35% to 95% (with no condensation)
Temperature influence ±20% max. of sensing distance at 23°C in the temperature range of -10 to 55°C
Voltage influence ±2.5% max. of sensing distance at 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 minute 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: 1,000 m/s2 10 times each in X, Y, and Z directions
Degree of protection IEC 60529 IP67, in-house standards: oil-resistant
Connection method Pre-wired Models (Standard cable length: 2 m)
Weight (packed state) Approx. 140 g Approx. 190 g
Materials Case Nickel-plated brass
Heat-resistant ABS
Nickel-plated brass
Zinc-plated iron
Accessories ---

Note:* The response frequency is an average value. Measurement conditions are as follows: standard sensing object, a distance of twice the standard sensing object, and a set distance of half the sensing distance.