Photoelectric Sensors
Omron Automation and SafetyE3T-SR42 2M
Omron Automation and Safety E3T-SR42 2M is a photoelectric sensor. Specifications include a sensing range of 100 mm, NPN - Open Collector/Dark-ON output, IP67/IP65 protection, 12-24V supply, and an operating temperature of -25°C to 55°C.
Engineering Specifications
9 of 13 fields available · 69%Verified specifications5 of 9 verified specifications with source evidence
Verification date not recordedView source document
Sensor TypePhotoelectric
Sensing MethodRetroreflective
Sensing Distance100.0 mm
Output TypeNPN - Open Collector/Dark-ON
Supply Voltage12-24VVerified · High · Page 2
Manufacturer datasheetHighPage 2
Evidence: labeled voltage with V unit
Excerpt: “12 to 24 VDC”
Extracted Sep 5, 2026View source
IP RatingIP67, IP65Verified · High · Page 2
Manufacturer datasheetHighPage 2
Evidence: labeled ingress-protection context
Excerpt: “IP67, IP65”
Extracted Sep 5, 2026View source
Housing MaterialNot specified
Housing TypeNot specified
Operating Temperature-25°C to 55°CVerified · High · Page 2
Manufacturer datasheetHighPage 2
Evidence: labeled range with explicit °C/°F/K unit
Excerpt: “−25 to 55°C”
Extracted Sep 5, 2026View source
Switching FrequencyNot specified
Response Time1 msVerified · High · Page 2
Current Consumption30 mAVerified · High · Page 2
AccuracyNot specified
Where to Buy
Best Price
Mouser
$308.321 In Stock · checked Sep 4, 2026
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| MPN | Manufacturer | Description | Range | Price |
|---|---|---|---|---|
| E3S-LS20XB4 | Omron Automation and Safety | SENSOR REFLECTIVE 250MM PNP | 50.0 mm | $411.00 |
| E3Z-D61 | Omron Automation and Safety | SENSOR REFLECTVE 100MM NPN DO/LO | 15000.0 mm | $169.02 |
| E3Z-D81 | Omron Automation and Safety | SENSOR REFLECTIVE 100MM PNP | 15000.0 mm | $169.02 |
| E3Z-LS81 | Omron Automation and Safety | SENSOR REFLECTIVE 200MM PNP | 20.0 mm | $268.58 |
| E3Z-R86 | Omron Automation and Safety | SENSOR RETROREFLECTIVE 4M PNP | 100000.0 mm | $203.96 |