Series representative image — not a model-specific photograph.
OMRON / MODEL
E3T-SR43 2M
E3T Ultracompact Photoelectric SensorsOMRON E3T-SR43 2M — Detection Mode: Retro-reflective (without M.S.R.); Sensing Distance: 30 to 200 mm; Output Type: PNP.
- Detection Mode
- Retro-reflective (without M.S.R.)
- Sensing Distance
- 30 to 200 mm
- Output Type
- PNP
- Housing
- Rectangular (side-view)
Overview
OMRON E3T-SR43 2M retro-reflective (without m.s.r.) sensor with PNP output and Light-ON operation. With supplied E39-R4 reflector; minimum sensor-to-reflector separation 30 mm. Series representative image; not a model-specific photograph. Mounting screw set included. E39-R4 supplied. E39-R37-CA gives 10 to 100 mm; reflector-specific variants require exact ordering code confirmation. Not designed or rated for ensuring safety of persons (p.15).
Specifications
| Detection Mode | Retro-reflective (without M.S.R.) |
|---|---|
| Sensing Distance | 30 to 200 mmWith supplied E39-R4 reflector; minimum sensor-to-reflector separation 30 mm. |
| Output Type | PNPOpen-collector output. |
| Housing | Rectangular (side-view) |
| Alternative Reflector Range | 10 to 100 mmWith E39-R37-CA; minimum separation 10 mm. This row does not assert that reflector is supplied. |
| Operation Mode | Light-ON |
| Mounting Type | M2 mounting |
| Connection Type | Pre-wired |
| Cable Length | 2 mExplicit 2M ordering code; standard pre-wired length. |
| Supply Voltage | 12 to 24 VDCTolerance +/-10%; ripple (p-p) 10% max. |
| IP Rating | IP67IEC 60529. |
| Response Time | ≤1 msOperate or reset; maximum. |
| Operating Temperature | -25 to +55 °CNo icing or condensation. |
| Storage Temperature | -40 to +70 °CNo icing or condensation. |
| Housing Material | PBT (polybutylene terephthalate) |
| Light Source | Red LED |
| Light Wavelength | 650 nm |
| Current Consumption | ≤20 mAMaximum. |
| Load Current | ≤50 mAMaximum; open-collector output. |
| Load Supply Voltage | ≤26.4 VDCMaximum. |
| Residual Voltage | 2 V max. at 10 to 50 mA; 1 V max. below 10 mAAt the stated load conditions. |
| Ambient Illumination | Incandescent lamp 5000 lx max.; sunlight 10000 lx max. |
| Operating Humidity | 35 to 85%No condensation. |
| Storage Humidity | 35 to 95%No condensation. |
| Packed Weight | Approx. 20 gApproximate packed weight; through-beam row applies to the set. |
| Supply Unit | Sensor |
| Standard Sensing Object | Opaque, 27-mm diameter minimumDistinct from the 2-mm reference minimum detectable object. |
| Minimum Detectable Object (Reference) | 2-mm diameterReference value at sensing distance 100 mm. |
| Safety Precaution | Not designed or rated for ensuring safety of persons. |
Document
PDFomron-e3t-catalog-en.pdfOMRON E3T Catalog — English (E407-E1-06) · Shared series documentRequest this model
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