Transparent Object Detection Sensor
E3S-R
Ideal for Detecting Glass Wafers and Other Transparent Objects
Sensing method |
Retro-reflective |
Retro-reflective |
Retro-reflective |
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Model |
NPN |
E3S-R12, R62, |
E3S-R11, R16, R61, R66 |
E3S-RS30E4, |
E3S-R1E4, R1E42 |
PNP |
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E3S-R31, R36, R81, R86 |
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Sensing distance |
300 mm [100 mm] *2 |
1 m [100 mm] *2 |
300 mm |
1 m |
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Standard sensing |
Opaque: 75-mm dia. |
Opaque: 75-mm dia. min. |
Opaque: 75-mm dia. min. |
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Directional angle |
3° to 10° |
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Light source |
Infrared LED (850 |
Red LED (660 nm) |
Infrared LED (950 nm) |
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Power supply voltage |
10 to 30 VDC; ripple: 10% max. |
12 to 24 VDC±10%; ripple: 10% max. |
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Current consumption |
30 mA max. |
40 mA max. |
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Control output |
Load power supply voltage: 30 VDC max. |
Load power supply voltage: 24 VDC max |
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Protection circuits |
Power supply reverse polarity protection, Output short-circuit protection, Mutual interference |
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Response time |
Operate or reset: 1 ms max. |
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Sensitivity adjustment |
Two-turn endless adjuster |
One-turn adjuster |
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Ambient illumination |
Incandescent lamp: 5,000 lx max. |
Incandescent lamp: 3,000 lx max. |
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Ambient |
Operating: 0 to 40°C, Storage: -40 to 70°C (with no icing or |
Operating: -25 to 55°C |
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Ambient humidity |
Operating: 35% to 85%, Storage: 35% to 95% (with no condensation) |
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Insulation resistance |
20 MΩ min. (at 500 VDC) |
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Dielectric strength |
1,000 VAC, 50/60 Hz for 1 min |
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Vibration resistance |
Destruction: 10 to 55 Hz, 1.5-mm double amplitude for 2 h each in X, Y, and Z directions |
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Shock resistance |
Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions |
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Degree of protection |
IEC 60529 IP67 |
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Connection method |
Pre-wired (standard length: 2 m)/Standard connector |
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Weight (packed state) |
Pre-wired models: Approx. 110 g |
Pre-wired models: Approx. 190 g |
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Ma- |
Case |
Polybutylene terephthalate |
Zinc die-cast |
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Lens |
Modified polyallylate |
Polycarbonate |
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Mounting |
Stainless steel (SUS304) |
Iron |
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Accessories |
Mounting Bracket (with screw), Adjustment |
Mounting Bracket (with screw), |
1. Refer to MSR function of Technical Guide (Technical version).
2. Values in parentheses indicate the minimum required distance between the Sensor and Reflector.