Is there any relevant terms of service and warranty information?

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.

Is there any relevant information available for download on the website?

Yes, if you want to download the relevant product manual, you can go to our official website to download it.

Can I be your reseller?

Yes, we are looking for distributors in overseas markets.

PF21r 4m Distance NPN Transistor Output Retro-Reflective Optical Sensor for Industrial Automation

Name: PF21r 4m Distance NPN Transistor Output Retro-Reflective Optical Sensor for Industrial Automation
Brand: TIANJIN G-TEK SENSOR TECHNOLOGY CO., LTD
SKU: 2007554812

Tianjin, ChinaTIANJIN G-TEK SENSOR TECHNOLOGY CO., LTD

US$15.00

4-99 Pieces

US$11.50

100-299 Pieces

US$11.00

300-899 Pieces

US$9.50

900+ Pieces

Sample price:US$18.00/piece.Request sample

Product profile

Type

Reflective Panels Type Photoelectric Sensor

Output Signal Type

Switching Type

Production Process

Integration

Model NO.

PF21R

Material

Plastic

Feature

Anti-Light Interference

IP Rating

IP67

Certification

Customized

Detection Object

Opaque Objects of 50mm and Above

Installation Distance

0.1-4.0m(RP02)

No-Load Current

Max.15mA

Output Mode

NPN/PNP Open Collector

Light Source

Pinpoint Red Light

Protection Circuit

Short Circuit Protection, Reverse Polarity Protect

Supply Voltage

10-30VDC

Ambient Brightness

Sunlight: Max.100000lux Fluorescent Lamp: Max.3000

Application

Industry Automation

Transport Package

Standard Carton Box

Specification

21mmx31.28mmx11mm

Trademark

G-TEK

Origin

Tianjin

HS Code

9032900090

Production Capacity

3000 Sets/ Month

Key features

Long Sensing Range: Retro-reflective type offers up to 4 meters sensing distance for large objects.

Anti-Light Interference: Features polarization function and laser-like pinpoint-LED for strong anti-interference.

IP67 Protection Rating: Dust-tight and protected against immersion in water up to 1 meter for 30 minutes.

Compact Design: Small size of 12mm x 32.5mm x 21.5mm allows for easy installation in tight spaces.

Stable Installation: Equipped with metal threaded mounting holes for secure and stable sensor placement.

CE Certified: Product meets CE safety standards ensuring quality and reliability in industrial use.

Fast Response Time: Switching frequency up to 400Hz with response time under 1.25ms for quick detection.

Customization Available: Offers full customization options including design and samples for bulk orders.

Company profile

Years of Export ExperiencePatents AwardedManagement CertificationProduct Certification

TIANJIN G-TEK SENSOR TECHNOLOGY CO., LTD

Tianjin, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 10 years CertifiedNearest Port: Tianjin PortAverage Response Time: ≤3.34h CertifiedTerms of Payment: T/T, LC, D/P, etc.

AI-Powered supplier vetting

SummaryG-TEK is an industrial equipment and instrumentation supplier with stated sales of up to 800,000 pieces or sets in 2019 across proximity switches, photoelectric sensors, light curtains, and laser radar. It offers broad customization, reported new products within the past year, and has documented procedures for finished-product inspection, supplier assessment, corrective actions, and complaint handling. Its certifications include ISO9001:2015, ISO45001:2018, ISO14001, and CE capability. The supplier has three production lines, but does not continuously reconcile production quantities for every batch or bulk run. Export experience is established, with 10 years of exporting and three experienced export staff, although overseas operational infrastructure is limited: no overseas warehouse, showroom, agent, or branch is reported. Financial information is only represented by year labels, without substantive performance evidence. No SDK or ODM service is available, and no OEM service for popular brands is reported.

Supplier typeThe stated business scope covers on-board equipment, instruments and meters, intelligent instruments, industrial automatic control systems, and intelligent vehicle-mounted devices. The company description also identifies product sales including proximity switches, photoelectric sensors, light curtains, and laser radar, supporting classification as an industrial equipment and automation-related supplier.

CertificationsThe supplier reports ISO9001:2015, ISO45001:2018, and ISO14001 certifications, together with CE product certification capability. These are explicit certification holdings or capabilities relevant to quality, occupational safety, environmental management, and product compliance.

After-Sales capabilityThe supplier has documented and followed procedures for corrective and preventive actions and effective customer complaint handling. However, it reports no overseas warehouse, showroom, agent, or branch; this indicates established complaint-process capability but limited overseas service infrastructure.

R&D capabilityThe supplier reports that it introduced new products during the past year and emphasizes continuous technological innovation. It also supports extensive product customization, but has no available SDK and does not provide ODM services; overall innovation activity is evidenced, while platform-development and ODM capability are limited.

Production capacityThe company reported sales of up to 800,000 pieces or sets in 2019 and operates three production lines. It has standardized finished-product inspection instructions that are uniformly followed, but does not continuously reconcile quantities for every batch or bulk production run, creating a stated production-control weakness.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. The same broad capability is reported in two slices, providing strong direct evidence of extensive customization support.

Product Q&A

Q:Is the product shipped and arrived fast?

The production cycle for large quantities of products takes 15-30 days, depending on the product.

Q:Can you provide professional advice promptly?

We have a professional technical team that can patiently help you answer all professional questions.

Q:Can you provide customized products/services?

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?

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?

We offer MOQ per piece; it depends on your specific order.