# Proximity and Photoelectric Sensors

> Inductive and photoelectric IR/laser sensors (NPN/PNP) for proximity, obstacle and line detection, including Omron E3Z

- Shop: [Sigmanortec.ro](https://sigmanortec.ro/en/llms.txt)
- Category page: https://sigmanortec.ro/en/proximity-and-photoelectric-sensors
- Category: Mechatronics and IoT > Sensors and Modules > Proximity and Photoelectric Sensors
- Prices: RON, VAT included; prices and stock as of 2026-10-22 01:32 (Europe/Bucharest)

## Products (26)

### IR photoelectric sensor module, DS30P2, PNP, NC, 30 cm, 6–36 V
- Page: https://sigmanortec.ro/en/ir-photoelectric-sensor-module-ds30p2-pnp-nc-30-cm-636-v
- Details: https://sigmanortec.ro/en/llms/p/2429.md
- Price: 32.95 RON
- Availability: In stock; 1-2 zile
- Reference: 88251 · EAN: 5949155469469
- Specifications: Supply voltage: 6 - 36 VDC; Contact type: NC; Sensor output type: PNP; Detection distance: 30 cm

IR photoelectric sensor for proximity detection in industrial applications, operates by diffuse reflection without a reflector, wide 6-36V DC supply for easy integration with PLCs and microcontrollers. It offers a 3-wire PNP NC output, adjustable distance up to 30 cm and fast 2 ms response, M18 housing with IP67 protection and status LED for quick verification.
The industrial M18 photoelectric sensor is designed for proximity detection applications in demanding industrial environments. It uses a diffuse reflection detection method, emitting a 660 nm infrared beam and receiving light reflected directly from the surface of the target object, without requiring a separate reflector or receiver.

### Inductive proximity sensor, PNP, NO, LJA18M-10P1, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-pnp-no-lja18m-10p1-6-36v
- Details: https://sigmanortec.ro/en/llms/p/2369.md
- Price: 55.08 RON
- Availability: In stock; 1-2 zile
- Reference: 88203 · EAN: 5944915533558
- Specifications: Input Voltage: 6 - 36 VDC; Model: LJA18M-10P1; Contact type: NO; Detection distance: 10 mm; Output type: PNP; Body diameter: M18

LJA18M-10P1 inductive proximity sensor, M18 non-flush housing, for contactless detection of metal objects. Power supply 6-36 VDC, PNP NO output, detection distance 10 mm (for iron), max output current 300 mA, max current consumption 15 mA. Nickel-plated brass housing, IP67, 3-wire 2 m cable, status LED, short-circuit and reverse polarity protection, operating temperature -25~65°C.

### Inductive proximity sensor, PNP, NC, LJA18M-10P2, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-pnp-nc-lja18m-10p2-6-36v
- Details: https://sigmanortec.ro/en/llms/p/2370.md
- Price: 55.08 RON
- Availability: In stock; 1-2 zile
- Reference: 88204 · EAN: 5948007082788
- Specifications: Input Voltage: 6 - 36 VDC; Model: LJA18M-10P2; Contact type: NC; Detection distance: 10 mm; Output type: PNP; Body diameter: M18

Inductive proximity sensor for non-contact detection of metal objects in automation and DIY projects. M18 non-flush mounting, detection distance up to 10 mm for iron, PNP NC output compatible with PLCs and controllers, 6–36V DC power supply. Robust housing with IP67 protection, status LED, and integrated 2 m cable for quick installation.
Inductive sensor from the LJA series designed for contactless detection of metal objects. The cylindrical body with a diameter of 18mm (M18) allows quick mounting in various industrial applications or DIY projects.

### Inductive proximity sensor, NPN, NO, LJA18M-10N1, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-npn-no-lja18m-10n1-6-36v
- Details: https://sigmanortec.ro/en/llms/p/2371.md
- Price: 55.08 RON
- Availability: In stock; 1-2 zile
- Reference: 88207 · EAN: 5944413210678
- Specifications: Input Voltage: 6 - 36 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Contact type: NO; Sensor output type: NPN; Detection distance: 10 mm; Body diameter: 18 mm

LJA18M-10N1 inductive proximity sensor with NPN NO output, for contactless detection of metal objects. Power supply 6-36 VDC, detection distance 10 mm (iron), non-flush mounting, M18 nickel-plated brass housing, IP67 protection. Current consumption max. 15 mA, output current max. 300 mA, response frequency 0.2 KHz. 3-wire cable, 2 m. Compatible with PLC, Arduino, STM32, ESP32. Operating temperature -25~65 degree C.

### Inductive proximity sensor, NPN, NC, LJA18M-10N2, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-npn-nc-lja18m-10n2-6-36v
- Details: https://sigmanortec.ro/en/llms/p/2372.md
- Price: 55.08 RON
- Availability: In stock; 1-2 zile
- Reference: 88208 · EAN: 5949773783480
- Specifications: Input Voltage: 6 - 36 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.; Contact type: NC; Sensor output type: NPN; Detection distance: 10 mm; Body diameter: 18 mm

Inductive proximity sensor for non-contact detection of metal objects, ideal for industrial automation and DIY projects. It offers a 10 mm detection distance, NPN normally closed output compatible with PLCs and microcontrollers, 6-36 VDC power supply, and status LED. Robust M18 nickel-plated brass housing and IP67 protection for dusty and humid environments.
Inductive sensor from the LJA series designed for contactless detection of metal objects. The cylindrical body with a diameter of 18mm (M18) allows quick installation in various industrial applications or DIY projects.

### Proximity Sensor, Omron, E3Z-D61, Digital, 12-24V, NPN
- Page: https://sigmanortec.ro/en/proximity-sensor-omron-e3z-d61-digital-12-24v-npn
- Details: https://sigmanortec.ro/en/llms/p/2179.md
- Price: 77.48 RON
- Availability: In stock; 1-2 zile
- Reference: 88014 · EAN: 5949826470015
- Specifications: Input Voltage: 12 - 24 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Omron E3Z-D61 proximity sensor with digital NPN output, supply voltage 12-24V DC. Adjustable sensing distance 3-20cm, NO/NC selection, reflective operating principle, wavelength 860nm. Response time 

### Proximity Sensor, Omron, E3Z-D62, Digital, 12-24V, NPN
- Page: https://sigmanortec.ro/en/proximity-sensor-omron-e3z-d62-digital-12-24v-npn
- Details: https://sigmanortec.ro/en/llms/p/2180.md
- Price: 82.20 RON
- Availability: In stock; 1-2 zile
- Reference: 88015 · EAN: 5941395350637
- Specifications: Input Voltage: 12 - 24 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Omron E3Z-D62 reflective proximity sensor with digital NPN output, 12-24V DC supply. Adjustable detection distance 5-50 cm, NO/NC selectable, status LED, response time 

### Proximity Sensor, Omron, E3Z-D81, Digital, 12-24V, PNP
- Page: https://sigmanortec.ro/en/proximity-sensor-omron-e3z-d81-digital-12-24v-pnp
- Details: https://sigmanortec.ro/en/llms/p/2181.md
- Price: 78.44 RON
- Availability: In stock; 1-2 zile
- Reference: 88016 · EAN: 5945056024332
- Specifications: Input Voltage: 12 - 24 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Reflective photoelectric proximity sensor Omron E3Z-D81 with digital PNP output, 12-24VDC supply. Adjustable detection distance 3-20cm, NO/NC selection, response time 

### Proximity Sensor, Omron, E3Z-D82, Digital, 12-24V, PNP
- Page: https://sigmanortec.ro/en/proximity-sensor-omron-e3z-d82-digital-12-24v-pnp
- Details: https://sigmanortec.ro/en/llms/p/2182.md
- Price: 82.56 RON
- Availability: In stock; 1-2 zile
- Reference: 88017 · EAN: 5940508667600
- Specifications: Input Voltage: 12 - 24 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Digital proximity sensor for precise detection at 5-50 cm in industrial applications, with PNP 12-24V output for quick integration into automation. The integrated LED instantly indicates the operating status, and the semi-adjustable adjustment allows distance adjustment and selection of NO or NC mode. The robust housing and metal base ensure safe mounting in production lines and handling equipment.
Distance sensor, Omron E3Z-D82 (PNP), designed for precise object detection in industrial applications. The integrated LED indicator clearly displays the operating status, facilitating real-time activity monitoring.

### Inductive proximity sensor, PNP, LJ12A3-4, Z-BY, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-pnp-lj12a3-4-z-by-6-36v
- Details: https://sigmanortec.ro/en/llms/p/2149.md
- Price: 14.77 RON
- Availability: In stock; 1-2 zile
- Reference: 88147 · EAN: 5943808428759
- Specifications: Maximum Input Voltage: 36; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

PNP inductive sensor for non-contact detection of metal objects in automation and machinery. Offers a detection distance of up to 4 mm, operates at 6-36V DC, has a robust M12 metal housing with IP65 protection and red LED for activation indication. NO output for easy integration into PLCs, microcontrollers or input modules.
PNP inductive sensor from the LJ12A3-4 series, designed for applications where it is necessary to identify metal objects without physical contact. It has a robust metal construction and a detection distance of up to 4 mm.
The nickel-plated brass housing and ABS sensing surface ensure durability and resistance to industrial environments.

### Proximity sensor SN04-N2, 3 wires, NPN, NC, 10-30V
- Page: https://sigmanortec.ro/en/proximity-sensor-sn04-n2-3-wires-npn-nc-10-30v
- Details: https://sigmanortec.ro/en/llms/p/2016.md
- Price: 16.52 RON
- Availability: In stock; 1-2 zile
- Reference: 9826 · EAN: 5942133736447
- Specifications: Output Type Voltage: Closed-Open Contact; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

SN04-N2 inductive proximity sensor with NPN NC output on 3 wires (Vcc, GND, NPN NC), supply voltage 10-30V DC, maximum output current 300 mA. Detects metallic objects without contact at a sensing distance of 4 mm ±10%. Integrated LED for status indication, IP68 protection, 120 cm cable, frequency response 0,5 kHz. Suitable for automation and industrial applications.

### Proximity sensor SN04-P2, 3 wires, PNP, NC, 10-30V
- Page: https://sigmanortec.ro/en/proximity-sensor-sn04-p2-3-wires-pnp-nc-10-30v
- Details: https://sigmanortec.ro/en/llms/p/2017.md
- Price: 16.52 RON
- Availability: In stock; 1-2 zile
- Reference: 9827 · EAN: 5942719292121
- Specifications: tension: AD; Input Voltage: 10-30 VDC

SN04-P2 inductive proximity sensor with 3 wires, PNP NC output, for non-contact detection of metallic objects. Operates at 10-30V DC, maximum output current 300mA, detection distance 4 mm ±10% (lower for non-magnetic metals). Optimal target size 18x18x1mm, integrated status LED, IP68 protection, 120 cm cable and mounting holes.

### Laser sensor, emitter-receiver, PNP NO, E3F-20B1, 6-36V, 20M
- Page: https://sigmanortec.ro/en/laser-sensor-emitter-receiver-pnp-no-e3f-20b1-6-36v-20m
- Details: https://sigmanortec.ro/en/llms/p/1810.md
- Price: 71.11 RON
- Availability: In stock; 1-2 zile
- Reference: 9698 · EAN: 5948436184084
- Specifications: Input Voltage: 6 - 36 V; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Laser emitter-receiver barrier for rapid detection by beam interruption, ideal for automation, gates, conveyor belts, and parts counting. It offers a PNP NO output for easy integration into PLCs, 6-36VDC power supply, working distance up to 20 m, and simple alignment thanks to the 3 mm beam and the status LED on the receiver.
The laser barrier sensor set consists of a laser beam emitter module and a receiver module, supplied together with the nuts and washers required for mounting. Detection is performed by the occlusion method, meaning by interrupting the laser beam between the emitter and receiver, which allows the presence of an object to be detected practically at the speed of light.

### Photoelectric reflector panel, TD-08
- Page: https://sigmanortec.ro/en/photoelectric-reflector-panel-td-08
- Details: https://sigmanortec.ro/en/llms/p/1447.md
- Price: 7.80 RON
- Availability: In stock; 1-2 zile
- Reference: 9340 · EAN: 5946691534170

Photoelectric reflector panel TD-08, used together with photoelectric sensors for stable detection and easy alignment in industrial applications. Reflective surface of 50 x 50 mm, overall dimensions 60 x 50 mm. Simple construction, suitable for automation, gates, conveyor belts and production equipment.

### Inductive proximity sensor SN04-P, NO, 10-30V, PNP
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-sn04-p-no-10-30v-pnp
- Details: https://sigmanortec.ro/en/llms/p/1220.md
- Price: 16.52 RON
- Availability: In stock; 1-2 zile
- Reference: 9204 · EAN: 5947495848159
- Specifications: Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

SN04-P inductive proximity sensor, PNP, 3-wire, normally open (NO) operation, for detecting metal via induction. Supply voltage 10-30VDC, max current 5mA, detection distance up to 5mm. PNP output, red status LED, IP67 protection. Dimensions 18.2 x 17.5 x 34mm, wire length 1m.

### IR photoelectric sensor switch 5V E18-D80NK
- Page: https://sigmanortec.ro/en/ir-photoelectric-sensor-switch-5v-e18-d80nk
- Details: https://sigmanortec.ro/en/llms/p/759.md
- Price: 22.68 RON
- Availability: In stock; 1-2 zile
- Reference: 33464 · EAN: 5942651474647
- Specifications: Input Voltage: 5 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

IR proximity photoelectric sensor with integrated emitter and receiver, ideal for obstacle detection, parts counting and robotics projects. It offers NPN digital output, operates at 5V with low consumption below 25mA, has adjustable detection distance between 3 and 80 cm and fast response time of 2ms, for stable detection of opaque or transparent objects.
Infrared (IR) proximity photoelectric sensor that includes a receiver and a transmitter. The detection distance can be adjusted according to need.
Among the advantages of this module can be listed the detection of a long distance, reduced interference with light from the visible spectrum and ease of use.

### Photoelectric sensor switch, IR, 6-36V, E18-B03N1
- Page: https://sigmanortec.ro/en/photoelectric-sensor-switch-ir-6-36v-e18-b03n1
- Details: https://sigmanortec.ro/en/llms/p/760.md
- Price: 36.99 RON
- Availability: In stock; 1-2 zile
- Reference: 33174 · EAN: 5942580278965
- Specifications: Input Voltage: 6 - 36 VDC; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

E18-B03N1 IR photoelectric proximity sensor, supply voltage 6-36VDC, NPN NO output. Detection distance adjustable via potentiometer between 10-30cm (+-10%). Thread diameter 17.6mm, dimensions 75 x 23.1mm, 1 meter cable, operating current 300mA. Suitable for automation, counting or positioning, easy to integrate with PLC or modules.

### IR photoelectric sensor switch DS30P1, PNP, 30cm, 6-36VDC
- Page: https://sigmanortec.ro/en/ir-photoelectric-sensor-switch-ds30p1-pnp-30cm-6-36vdc
- Details: https://sigmanortec.ro/en/llms/p/761.md
- Price: 23.17 RON
- Availability: In stock; 1-2 zile
- Reference: 33541 · EAN: 5946218784927
- Specifications: Maximum Input Voltage: 36; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

IR photoelectric sensor for proximity detection and object counting, ideal for automation, robots or safety systems. It offers a normally open PNP digital output, operates at 6-36VDC with low consumption below 25mA, has an adjustable detection distance of up to 30cm and a fast response of 2ms for precise switching.
Infrared (IR) proximity photoelectric sensor that includes a receiver and a transmitter. The detection distance can be adjusted according to need, up to 30cm.
It can be used to count, detect obstacles, build a maze robot, and many other applications.
Specifications:
Output: Digital, I/O
Supply voltage: 6 - 36VDC
Operation type: N/O, Normally Open
Output: PNP
Consumption: <25mA …

### Inductive proximity sensor, LJ12A3-4-Z/BX, NPN, 6-36V
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-lj12a3-4-z-bx-npn-6-36v
- Details: https://sigmanortec.ro/en/llms/p/646.md
- Price: 16.24 RON
- Availability: In stock; 1-2 zile
- Reference: 22210 · EAN: 5946206346182
- Specifications: Maximum Input Voltage: 36; Input Voltage Type: “DC” in Romanian can mean **“de ce”**, which translates to **“why”** in English.

Inductive proximity sensor LJ12A3-4-Z/BX, NPN normally open type, for detecting metal objects. Supply voltage 6-36VDC, detection distance 4mm, M12 housing (11.7mm), 1m cable. Compatible with Arduino and other development boards, commonly used for 3D printer autolevel.

### IR obstacle sensor, 3.3-5V
- Page: https://sigmanortec.ro/en/ir-obstacle-sensor-33-5v
- Details: https://sigmanortec.ro/en/llms/p/657.md
- Price: 3.22 RON
- Availability: In stock; 1-2 zile
- Reference: 22015 · EAN: 5942857667454
- Specifications: Input Voltage: 3.3 - 5 V

IR sensor module for obstacle avoidance, compatible with Arduino and other development boards. Operates at 3.3-5V, providing a digital signal on the OUT pin when an object is detected, confirmed by an onboard LED. Detection distance is adjustable via potentiometer between 0-20cm, with a detection angle of 35 degrees. Suitable for robots, automation and proximity projects.

### Optical Sensor CNY70
- Page: https://sigmanortec.ro/en/optical-sensor-cny70
- Details: https://sigmanortec.ro/en/llms/p/658.md
- Price: 3.63 RON
- Availability: In stock; 1-2 zile
- Reference: 33314 · EAN: 5943053488621

The CNY70 optical sensor (ref. 33314) combines an infrared LED and a phototransistor in a compact housing, suitable for detecting proximity or black-white contrast. It provides a fast response and stable signal at short distances, mounts easily on PCB, and is used in line following, pulse counting or edge detection applications in automation and robotics projects.

### TCRT5000 optical sensor, reflective
- Page: https://sigmanortec.ro/en/tcrt5000-optical-sensor-reflective
- Details: https://sigmanortec.ro/en/llms/p/659.md
- Price: 3.55 RON
- Availability: In stock; 1-2 zile
- Reference: 33370 · EAN: 5947866618664

Reflective optical sensor TCRT5000, TCRT5000L, combining an infrared LED and a phototransistor, with an analog output that varies according to reflection. Optimal operating distance 2.5 mm, emission wavelength 950 nm, typical output current 1 mA. Includes a filter for ambient light. Suitable for surface detection and line-following robots, distinguishing white from black surfaces.

### Inductive proximity sensor SN04-N, NO, 10-30V, NPN
- Page: https://sigmanortec.ro/en/inductive-proximity-sensor-sn04-n-no-10-30v-npn
- Details: https://sigmanortec.ro/en/llms/p/666.md
- Price: 16.52 RON
- Availability: In stock; 1-2 zile
- Reference: 33165 · EAN: 5944714204635
- Specifications: tension: AD

Inductive proximity sensor SN04-N, NPN, 3-wire, NO operation, supply voltage 10-30VDC, current consumption max 5mA. Detection distance up to 5mm for metallic surfaces, can also detect through thin non-metallic materials. IP67 housing, red LED indicator. Dimensions 18.2 x 17.5 x 34mm, wire length 1m. Brown wire power, blue GND, black output.

### Line sensor module, QRE1113, IR, 5V
- Page: https://sigmanortec.ro/en/line-sensor-module-qre1113-ir-5v
- Details: https://sigmanortec.ro/en/llms/p/2337.md
- Price: 9.52 RON
- Availability: In stock; 1-2 zile
- Reference: 11001 · EAN: 5943132013997
- Specifications: Supply voltage: 5 V; Sensor chip: QRE1113; Connection type: IR

Line sensor module QRE1113 with IR LED and phototransistor, operating at 5V with digital DO output. Current consumption approximately 25mA, recommended detection distance up to 3 mm. 3-pin connector (VCC, OUT, GND) with 2.54 mm pitch, board dimensions 8 x 14 mm, includes mounting hole. Suitable for line following and contrast detection in robotics.

### Optical sensor, TCST2103
- Page: https://sigmanortec.ro/en/optical-sensor-tcst2103
- Details: https://sigmanortec.ro/en/llms/p/973.md
- Price: 4.56 RON
- Availability: In stock; 1-2 zile
- Reference: 9162 · EAN: 5944759324183

Optical sensor TCST2103, photoelectric, with IR emitter and phototransistor, for detecting the presence of objects in a slot. Can be used as an optical switch, counter or encoder. Slot width 3.1 mm, ambient light filter, wavelength 950 nm, response time 10 ms, If current 60 mA, collector current Ic 4 mA, no amplification.

### Infrared speed sensor A22
- Page: https://sigmanortec.ro/en/infrared-speed-sensor-a22
- Details: https://sigmanortec.ro/en/llms/p/886.md
- Price: 4.26 RON
- Availability: In stock; 1-2 zile
- Reference: 9079 · EAN: 5947524056630

Infrared speed sensor A22 (ref. 9079), photoelectric, compatible with Arduino and other development boards. Consists of an IR emitter and receiver that switches when the beam is interrupted, providing a digital output via LM393 comparator and H2010 optocoupler. Operates at 5V, has a 10mm slot between the arms and dimensions of 20 x 28 x 17mm. Signal on beam interruption: High.