Product Profile
The SFL series laser range sensor is a powerful distance-measuring instrument, which can be integrated into various industrial applications. Through the reflection of a laser beam, the SFL range sensor can achieve accurate, non-contact long-distance distance measurement.
Product Feature
- The measurement principle of phase method to ensure the millimeter level measurement accuracy
- Visible red laser, easy to align and debug
- Measurement range: 0.2m-100m
- Measurement accuracy±2mm,Repetition accuracy±0.5mm(1δ)
- High measuring speed above 300Hz
- Profinet and other communication interface outputs
- Switch output
- Wide range power supply voltage(12-30VDC)
- 6 LEDs for status signals
- 4 buttons for setting parameters
- LCD display, clear and intuitive
- M12 Electrical interface
- IP65 Protection rating
- Excellent anti-light interference ability
- Wide operating temperature range(-20ºC~55ºC)
- Strong anti-electromagnetic interference capability

Model | SFL-100-01 |
Detection range | 0.2m~100m |
Detection object | Reflective film (diamond grade) |
Accuracy (1δ) | ±2mm |
Repetition accuracy (1δ) | ±0.5mm |
Response time | <3ms |
Light source | 650nm red laser (CLASS 2) |
Light spot | 15cm*4cm@100m |
Supply voltage | 12~30VDC Vp-p<10% |
No-load current | ≤ 150 mA@24V |
Electrical interface | M12 connector |
Display | Parameter setting button; LCD screen, indicator |
Communication interface | Profinet(2 way) |
Switching | NPN transistor output (load current ≤ 100mA) |
Circuit protection | Power reverse polarity protection, power overvoltage protection, output short circuit protection |
Anti-optical interference | Sunlight: 100000lux Incandescent lamp: 3000lux |
Working temperature | -20ºC~55ºC |
Protection rate | IP65 |
Dimension | 120mm*72mm*96mm |





1 PWR | Power/output indicator | Indicator OFF: Power off |
Green indicator ON: Work normally after power-on | ||
Yellow indicator ON: Work normally and switch output after power-on | ||
The yellow and green indicator flash alternately: The light spot did not hit the reflective film | ||
2 ERR | Fault indicator | Indicator OFF: Power off(PWR light off)Or Work normally |
Red indicator ON: Internal failure | ||
3 LINK2 | Status indicator of Ethernet port 2 | Indicator OFF: No power supply or no network connection at this port |
Green indicator flash: The Ethernet cable of this port is connected normally | ||
4 LINK1 | Status indicator of Ethernet port 1 | Indicator OFF: No power supply or no network connection at this port |
Green indicator flash: The Ethernet cable of this port is connected normally | ||
5 NS | Network transmission status indicator | Indicator OFF: No power supply or failure of the PROFINET communication component inside the product |
Green indicator ON: Normal | ||
Green indicator flash: IO controller in "STOP" state(PLC does not work normally) | ||
Red indicator single flash: Slave name error(The PLC does not assign the name of the range sensor) | ||
Red indicator double flash: IP error(PLC does not assign an IP address to laser range sensor) | ||
Red indicator triple flash: PLC Program error(Incorrect data address assigned by PLC) | ||
6 MS | Internal status indicator | Indicator OFF: No power supply or failure of the PROFINET communication component inside the product |
Green indicator ON: Normal |
9 ▽ Turn Page Down | Press this key to scroll down or decrease the value |
10 △ Turn Page Up | Press this key to page up or increase the value |
11 SET Menu /Set | Press and hold this key for more than 2s to enter the setting menu; Press this key to set parameters |
12 ESC Return | Press this key to return to the upper menu |










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 switches, photoelectric sensors, measurement, and safety light curtains to Laser rangefinder sensors, 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 in 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 manufacturing base.






A: The production cycle for large quantities of products takes 15-30 days, depending on the product.
Q: Can you provide professional advice promptly?
A: We have a professional technical team that can patiently help you answer all professional questions.
Q: Can you provide customized products/services?
A: Yes, we can provide customized products, but the customization needs to meet a certain quantity.
Q: How is the quality of the product? Is the quality stable?
A: G-TEK Sensors has been focusing on the sensor field for 23 years. The quality of the sensor has the double affirmation of the CE certificate and customer reputation.
Q: What is your MOQ?
A: We offer MOQ per piece; it depends on your specific order.
Q: Is there any relevant terms of service and warranty information?
A: We offer a warranty on all items. The sensor products are guaranteed for 15 months, and the light curtain and lidar products are guaranteed for 18 months. For after-sales questions, you can directly contact the product salesperson.
Q: Is there any relevant information available for download on the website?
A: Yes, if you want to download the relevant product manual, you can go to our official website to download it.
Q: Can I be your reseller?
A: Yes, we are looking for distributors in overseas markets.