OMRON E3Z-T81-2M — Through-Beam Sensors
Omron E3Z series thru-beam photoelectric sensor with built-in amplifier: 15 m sensing range, infrared light, PNP output, 1 ms response time, 2 m cable, IP67.
Status: In production
Brand: Omron
Product: Thru-beam compact photoelectric sensor
Series: E3Z
Sensing range: 15 m
Emitting element: Infrared
Output: PNP · Light-ON / Dark-ON
Response time: 1 ms
Degree of protection: IP67
Supply voltage: 12–24 V
Electrical connection: 2 m cable
E3Z-T81-2M is the thru-beam model of Omron’s E3Z compact photoelectric sensor series with built-in amplifier. It consists of a separate emitter and receiver and offers a 15 m sensing range with infrared light. Its 10.8 × 31 × 20 mm rectangular PBT housing mounts in tight machine spaces without an external amplifier.
It has a PNP output, supports Light-ON and Dark-ON operation modes, and has a response time of 1 ms. Supply is 12–24 V and the degree of protection is IP67. Connection: 2 m cable. Mounting brackets and round/rectangular slits for detecting small objects (E39-S65 series) are available as accessories.
Omron E3Z-T81-2M technical specifications
| E3Z-T81-2M | |
|---|---|
| General | |
| Product | Compact photoelectric sensor with built-in amplifier |
| Series | E3Z |
| Shape | Cuboid |
| Sensing type | Thru-beam |
| Sensing | |
| Sensing range | 15 m (15,000 mm) |
| Emitting element | Infrared light |
| Setting method | Manual adjustment |
| Electrical characteristics | |
| Supply voltage | 12–24 V |
| Output and indicators | |
| Output | PNP |
| Operation mode | Dark-ON, Light-ON |
| Response time | 1 ms |
| Environmental | |
| Degree of protection | IP67 |
| Mechanical and connection | |
| Enclosure material | PBT |
| Electrical connection | Cable |
| Cable | 2 m cable |
| Dimensions | 10.8 × 31 × 20 mm (W × H × D) |
Key features
- 15 m thru-beam sensing, infrared
- Built-in amplifier, compact rectangular housing
- PNP output
- Light-ON / Dark-ON, 1 ms response
- IP67, 2 m cable
E3Z-T81-2M ordering codes
| Part number | Description |
|---|---|
| E3Z-T81-2M | PNP, 2 m cable |
| E3Z-T81-IL3-2M | PNP + IO-Link (COM3), 2 m cable |
| E3Z-T81-M1J-0-3M | PNP, 0.3 m cable + M12 connector |
| E3Z-T81-M1TJ-1-0-3M | PNP, 0.3 m cable + M12 Smartclick connector |
E3Z-T81-2M accessories
Accessories listed by the manufacturer for this model (ordered separately):
| Part number | Description |
|---|---|
| E39-L104 | Mounting bracket, standard, vertical mounting |
| E39-L142 | Mounting bracket, protective side wall |
| E39-L144 | Protective mounting bracket (for pre-wired E3Z) |
| E39-L153 | L-shaped mounting bracket (for pre-wired type) |
| E39-L43 | Mounting bracket, side mounting |
| E39-L98 | Protective metal cover (E3S-A / E3Z vertical sensor) |
| E39-S65A | Slit for E3Z-T, Ø0.5 mm |
| E39-S65B | Slit for E3Z-T, Ø1 mm |
| E39-S65C | Slit for E3Z-T, Ø2 mm |
| E39-S65D | Slit for E3Z-T, 0.5 × 10 mm |
| E39-S65E | Slit for E3Z-T, 1 × 10 mm |
| E39-S65F | Slit for E3Z-T, 2 × 10 mm |
Other Omron Through-Beam Sensors
- OMRON E3Z-T81-IL3-2M — Thru-beam compact photoelectric sensor
- OMRON E3Z-T81-M1J-0-3M — Thru-beam compact photoelectric sensor
- OMRON E3Z-T81-M1TJ-1-0-3M — Thru-beam compact photoelectric sensor
Models from other brands: Through-Beam Sensors
Is this sensor right for your application?
Share the object to be detected, the emitter–receiver distance, ambient conditions (dust, temperature, washdown) and your PLC input (NPN/PNP, IO-Link); let’s select the right through-beam sensor and mounting accessories together.
All product specifications are subject to change without notice. Data compiled from the specification and accessory lists on Omron Industrial Automation Europe’s industrial.omron.eu product page for E3Z-T81-2M. The image shows the series.