70-350mm NPN Diffuse Reflective Photo Sensor for Logistics Conveyor

• Type: Diffuse Reflection Type Photoelectric Sensor
• Output Signal Type: Switching Type
• Production Process: Integration
• Model NO.: PF21B
• Material: Plastic
• Feature: Anti-Light Interference
• IP Rating: IP67
• Certification: CE
• Customized: Customized
• Adjadjustment Distance: 150mm
• Light Source: 940nm Visible Red Light
• Response Time: 20ms
• Output Mode: NPN/PNP Open Collector
• Supply Voltage: 10-30VDC
• Action Mode: Select Product Light-on/Dark-on by Model
• Indicator Light: Power Green Indicator, Output Yellow Indicator
• Application: Logistics,Conveyor Belt
• Transport Package: Standard Carton Box
• Specification: 21mmx11mmx31mm
• Trademark: G-TEK
• Origin: Tianjin
• HS Code: 9032900090
• Production Capacity: 10000 Sets/Month
• Package Size: 16.00cm * 11.50cm * 5.50cm
• Package Gross Weight: 0.350kg

Product Description

Features

The PF21 series of mini-type photoelectric sensors is a new and upgraded product. It includes through-beam, polarized reflective, and diffuse types of sensors

• Diffuse reflection type with background suppression function
• Non-sphere optical lens totally eliminate stray light and special optical structure has strong light resistance
• NPN/PNP output can be selected
• LIGHT ON/DARK ON can be selected
• Protection rating IP67 with the complex process
• Built-in reverse polarity protection, over-voltage protection, short-circuit protection
• The wiring outlet is integrally formed, and the sealing performance is better

Detailed Photos

 

Product Parameters

PF21B Diffuse Photoelectric Sensor
Model	PF21B-150A	PF21B-350A	PF21B-900A
General parameters:
Working Principle	Background suppression
Sensing Range	2~150mm	5~350mm	5~900mm
Light Source	PinPoint-LED, visible red light		LED, red light; Laser, infrared light
Wavelength	630nm		630nm,940nm
Spot Diameter	Φ6mm @150mm	Φ6.6mm @350mm	LED:Φ23mm@500mm   Laser:Φ16mm@500mm
Electronic Parameters:
Operating Voltage	10~30VDC
No-load current	Emitter <20mA; Receiver <15mA
Output Current	<100mA
Voltage Drop	<1.5V
Response time	<1.25ms	<2.5ms	120ms
switching frequency	400Hz	200Hz	8Hz
Mode of Action	Light on, dark on, light/dark on switching, according to model selection
protection circuit	Reverse polarity protection, short circuit protection
Indicator	Power is the green indicator, output is the yellow indicator
Control output	Transistor output, NPN/PNP according to model selection
Mechanical parameters:
Appearance Size	12mm×33mm×21.5mm
Shell Material	ABS+PC
Lens Material	PMMA
Connection Type	2m cable; M8 connector; The M8 connector with 300mm cable
Cable Diameter	Φ3.4mm
Conductor Cross Section	0.14mm²
Environmental Parameter:
Ambient brightness	Sunlight 100000Lux; Incandescent lamp 3000Lux
Operating Temperature	-25~55ºC
Storage Temperature	-30~70ºC
Protection rating	IP67

Product Application

 

Certifications

 

 

Packaging & Shipping

 

Product self-inspection steps

1. Detect whether the installation position of the object and the proximity sensor has deviated, slacked, or skewed; whether there is slack, poor contact, or disconnection in the wiring and connection parts
2. Whether there is adhesion or accumulation of metal dust, etc.
3. Is there any abnormality in using temperature conditions and environmental conditions?
4. Set whether the flashing of the display lamp type is abnormal.
Suppose you must be careful not to disassemble and repair by yourself during the inspection, and to easily find out the fault. In that case, you can investigate the operating state of the sensor through the connection with the portable detector, and then repair it according to the situation.

In order to make the photoelectric sensor work stably for a long time, it should be regularly checked with the same contents as the general control equipment to maintain its long-term function. The photoelectric sensor can also be stocked. Once a problem with the photoelectric sensor is found, we can replace it in time without affecting the use of the sensor.

 

Company Profile

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.

Q: Is the product shipped and arrived fast?
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.