What is the detection principle of this sensor?

It uses ultrasonic sound waves to provide non-contact, accurate detection of object state and distance, unaffected by color or dust.

What is the operating voltage range?

The working voltage is 10-30V DC with reverse polarity protection.

Is OEM/ODM service available?

Yes, OEM and ODM services are available, along with minor customization from designs or samples.

20-120mm 55Hz Sensor Switch E2 NPN Switch Output Four-Wires Proximity Sensor for Liquid Level

Name: 20-120mm 55Hz Sensor Switch E2 NPN Switch Output Four-Wires Proximity Sensor for Liquid Level
Brand: Shenzhen KangTong Technology Co., Ltd.
SKU: 2221146205

Guangdong, ChinaShenzhen KangTong Technology Co., Ltd.

US$150.00-180.00

4 Pieces

Sample price:US$180.00/piece.Request sample

Product profile

Customization

Available

Type

Ultrasonic Sensor Switch

Principle

Sound Control

Model NO.

KTB120-TR12-M55-E2-V1

Wires

NPN (Four-Wires)

Standard

Application

Toy Car Obstacle/Material Level Continuity

Size

55X12mm

Certification

ISO, GS, RoHS, CE

Detection Range

20-120mm

Blind Zone

0 - 20mm

Resolution

0.1mm

Repeatability

±0.15% of Full - Scale Value

Switching Hysteresis

1mm

Switching Frequency

55Hz

Response Time

18ms

Power - up Delay

< 500ms

Operating Voltage10 - 30V DC, Reverse Po

10 - 30V DC, Reverse Polarity Protection

Load Impedance

I/ < 300 Ohm, U/ > 1K Ohm

No - Load Current

≤30mA

Material

Plastic, Nickel - Plated, Brass, Polyurethane Foam

Connection Type

4 Pole M12 Connector

Protection Class

IP67

Weight

16g/20g (I / U)

Transport Package

Carton Box

Specification

High frequency sensor

Trademark

OEM/ODM

Origin

China

HS Code

90318000

Production Capacity

50000/Month

Key features

Non-Contact Detection: Ultrasonic technology ensures accurate distance measurement unaffected by color, shape, or material.

High Stability Output: NPN switching output with 55Hz frequency and 18ms response time for reliable industrial use.

IP67 Protection: Robust IP67 protection class suitable for harsh environments with dust and water resistance.

Versatile Application: Ideal for liquid levels, transparent materials, and toy car obstacle detection in automation.

Factory Direct Quality: Manufactured by IATF16949:2016 certified facility with independent R&D and high-end chips.

Customization Support: Supports OEM/ODM services and minor customization for specific brand or design needs.

Fast Delivery: Stock items ship within 1-3 business days; custom orders produced and shipped in 7-15 days.

Company profile

Importers and ExportersYears of Export ExperiencePatents AwardedStandardized quality control

Shenzhen KangTong Technology Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 15 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤1.79h

AI-Powered supplier vetting

SummaryThe supplier is a professional sensor and electronic-products supplier with stated R&D capability, 3D software design services, and customization from designs, samples, and minor modifications. Its business scope covers R&D, sales, production, domestic trade, and import/export of sensors, electronic products, and related hardware and software. It has two production lines, inventory capability, quality assurance, standardized finished-product inspection instructions, and valid manufacturing contracts with associated subcontractors. However, it reported no new products in the past year, only two R&D engineers, no written procedures or records for supplier assessment, corrective/preventive actions, or complaint handling, and no raw-material traceability identification. It has exported for 15 years, with 41%–50% of sales from exports, but lacks overseas warehouses, showrooms, agents, branches, and offline trade-show participation. No Fortune 500 cooperation or specific financial-credit evidence was provided.

Supplier typeThe supplier explicitly identifies itself as a professional technical supplier and operates in sensor, electronic-product, computer hardware, and software R&D, production, and sales. Its radar products and solutions serve automotive and several other industries, supporting classification as a specialized sensor/electronics supplier.

After-Sales capabilityThe supplier has inventory capability and accepts multiple service-payment methods, but it reports no written procedures or records for customer complaints or corrective and preventive actions. The absence of overseas warehouses, showrooms, agents, branches, and overseas-service countries further limits demonstrated after-sales infrastructure.

R&D capabilityThe supplier has stated R&D capability, 3D software design services, and two R&D engineers, and it emphasizes technology advancement. However, it launched no new products in the past year, so the evidence does not demonstrate recent product innovation.

Production capacityThe supplier has two production lines, permitted production activities for sensors and electronic products, inventory capability, valid contracts with associated subcontractors, and uniformly followed finished-product inspection instructions. However, it does not continuously reconcile production quantities by batch and has no standard operating procedure for outsourced manufacturing, indicating process-control weaknesses despite established production capacity.

Customization capabilityThe supplier explicitly provides 3D software design services and supports minor customization, customization from designs, and customization from samples. These stated service types directly demonstrate the ability to support multiple forms of product customization.

Product Q&A

Q:What are the advantages of your factory?

We have our own factory with independent research and development and production capacity. Our products use high-end chips, ensuring high quality and stability.

Q:Can we order different parts and combine shipments?

Yes, we can combine many items and deliver via courier, sea, or air, ensuring they are packed well.

Q:How can I create my own brand for my order?

If the order quantity meets the requirements, we provide customized service for your brand.

Q:What is the delivery time after payment?

Products in stock will be shipped within 1-3 business days. Products needing production will be shipped within 7-15 business days.

Q:Can we visit your factory or office?

We always welcome customer visits. Please let us know your schedule, and we will arrange it.