Photoelectric sensors (photocell sensor) are widely used in gate and door industry. Door sensors are mainly realized by means of microwave, infrared or laser detection. Infrared photoelectric sensors and infrared light curtain are most widely used in industrial doors such as high speed door, roller shutter door and sectional hard high speed door. When the people or object are detected by the infrared device (photocell or light curtain), no matter whether people move or not, as long as they are within the detecting range of sensors and light curtains, they will react and give the control output to protect people or objects from being pinched. Microwave radar is also a widely-used product in automatic door industry. It responds to the movement of people or objects, thus realizing the automatic door switch control.



| Model | PMF50R-RF |
| Sensing Type | Retro-reflective |
| Sensing Object | Min Dia 60mm opaque object |
| Sensing Distance | RP04:0.1~7m |
| No-load Voltage | Max.60mA |
| Supply Voltage | 10-30VDC |
| Light Source | Red LED(Wave length 660mm) |
| Action Mode | According to potentiometer to select Light On or Dark On |
| Control Output | Relay output (contact rating: 30VDC 1A Resistance load, 120VAC, 1A Resistance load, contact component:1C) |
| Response Time | Max.20ms |
| Circuit Protection | Reverse polarity protection |
| Indication Light | Power indicator: Green; Action indicator: Red |
| Attended Mode | Output Cable |
| Ambient Brightness | Sunlight: Max.30000LuX; Fluorescent: Max.3000LuX |
| Ambient Temperature | -20~+65ºC(Non-freezing) |
| Ambient Humidity | 35~85%RH |
| Material | Housing: ABS; Lens: PMMA |
| Protection Rating | IP67(IEC) |
| Cable Standard | Dia 5.5X 0.2 |
| Accessory | Bracket: IB02, Screw : M4*25 |
Note: The sensing distance of retro reflective sensor is measured on RP05 basis. (Reflector varies according to sensing distance)
| Photoelectric sensor | PMF50T-10MRF-W |
| Detection Type | Opposed type |
| Detection Object | MinΦ60mm opaque object |
| Detection Range | 10m |
| Light Source | Infrared Led |
| Supply Voltage | 10~30V DC |
| No-load Current | Max.60mA |
| Response Time | Max.20ms |
| Control Output | Relay output,(contact rating: 30VDC 1A resistance load, 120VAC,1A resistance load,contact component: 1C) |
| Action Mode | Selecting Light On or Dark On by potentiometer |
| Indicator | Power indicator: green;action indicator: red |
| Protection circuit | Reverse polarity protection |
| Ambient lightness | Sunlight: Max.30000Lux fluorescent: Max.3000Lux |
| Ambient Temperature | -20~+60ºC(Non-freezing),Storage:-25~+70ºC |
| Ambient Humidity | 0~90%RH |
| Material | Housing:ABS,Lens:PMMA |
| Cable | Emitter: Φ 5, 2×0.3mm²; Receiver: Φ5, 5×0.2mm² |
| Protection Rate | IP67 |
| Accessory | Screw: M4x25; Bracket: IB02 |
| Photoelectric sensor | PMF50D-1M-RD(RL) |
| Detection Type | Diffused type |
| Detection Range | 0.1-1.5m |
| Light Source | Infrared Led (modulated) |
| Supply Voltage | 10~30V DC |
| No-load Current | Max.60mA |
| Response Time | Max.20ms |
| Control Output | Relay output,(contact rating: 30VDC 1A resistance load, 120VAC,1A resistance load,contact component: 1C) |
| Action | Light on/Dark on for selecting by potentiometer |
| Indicator | Power indicator: Green, Action indicator: Red |
| Protection circuit | Reverse polarity protection |
| Ambient lightness | Sunlight: Max.30000Lux fluorescent: Max.3000Lux |
| Ambient Temperature | -20~+65ºC(Non-freezing) |
| Ambient Humidity | 0~90%RH |
| Material | Housing:ABS,Lens:PMMA |
| Protection Rate | IP67 |
| Cable | Φ5, 5×0.2mm² 2m |
| Accessory | Bracket: IB02, Screw: M4×25 |






Tianjin G-TEK sensor technology co..ltd is indicated in providing intelligent sensor products and customized solutions for logistics automation, factory automation and process automation. The predecessor of the company is Tianjin G-TEK automation technology Co.,ltd, a professional sensor manufacturer and sensor solution provider, which was established in 2003 with business ranges from Proximity switch,photoelectric sensor,measurement and safety light curtain to Laser rangefinder sensor,laser radar., etc and serves for Intelligent buildings, intelligent transportation, logistics automation, factory automation and industry robot fields.
Tianjin G-TEK sensor technology co.,ltd was established in 2014 at Xiqing district , Tianjin City and it will fully inherit and expand the original G-TEK automation business with the construction and operation of the new R&D and manufacture base.
OUR PRODUCT RANGE
- Photoelectric Sensor (PMF21/PMF50/PMF55/PMF80 /PM18/PS18/PT12 series)
- Proximity Sensor (IM12/IM18/IM30/IF17 series)
- Infrared light curtain (LSM/LSMC/LSE/LSEC series)
- Safety light curtain (LSA series)
- Infrared vehicle separator (LHA/LHAC/LHN/LHNC series)
- Loop detector (GVD3/GVD1 series)
- Laser radar (LSD/LND series)
- 3D TOF product (GDC1100/GDC1101/GDC1102)
- Other sensor product (Microwave radar, Revolving door Anti-pinching sensor)






















