Could you provide sample?

Yes,we are glad to provide samples for your testing. For our common practice, we have to send you samples for confirmation before mass order production.

18mm 40kHz Long Distance Range Ultrasonic Sensor

Name: 18mm 40kHz Long Distance Range Ultrasonic Sensor
Brand: Gd SWT Smart Tech Co., Ltd.
SKU: 2158197362

Guangdong, ChinaGd SWT Smart Tech Co., Ltd.

US$1.50

1,000-4,999 Pieces

US$1.00

5,000-9,999 Pieces

US$0.75

10,000+ Pieces

Product specifications

color

size

Frequency

Sample price:US$2.00/piece.Request sample

Product profile

Customization

Available

Type

Waterproof Ultrasonic Sensor

Output Signal Type

Digital Type

Production Process

Ceramics

Sensitivity

High

Probe Type

Angle Probe

Measuring Medium

Not Limited

Detection mode

Direct Reflection Type

IP Rating

N/a

Certification

RoHS

Customized

Center Frequency (kHz)

40±1.0

Capacitance (PF)

1800±20% at 1000Hz

Transmitting Sound Pressure Level (Db)

≥90

Sensitivity (Db)

≥-65

Ringing

≤1.3ms

Specification

18mm

Trademark

SWT

Origin

Gd, China

Key features

Harsh Environment Stability: Operates reliably in dust, fog, and darkness, unaffected by lighting or object transparency.

Cost-Effective Solution: Low price compared to laser radar, ideal for reverse radar and liquid level gauges.

No MOQ Requirement: Supports one-piece and sample orders with no minimum order quantity restrictions.

Fast Response & Low Power: Simple structure with no moving parts ensures fast response and low power consumption.

Electromagnetic Interference Free: No mechanical transmission and no radio spectrum license needed, avoiding signal conflicts.

RoHS Certified: Product meets RoHS certification standards for environmental safety.

Customizable Options: Offers customization for center frequency, capacitance, and other parameters.

Company profile

Importers and ExportersCooperated with Fortune 500100% Finished Products InspectionManagement Certification

Gd SWT Smart Tech Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 24 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤2.30h

AI-Powered supplier vetting

SummarySWT is identified as a manufacturer engaged in the research, development, production, and sales of electronic ceramic materials and related components. It reports ISO9001:2015 and ISO14001:2015 certifications, documented supplier-service procedures, complaint-handling and corrective-action mechanisms, extensive customization and ODM capabilities, and OEM service for recognized brands. Its production profile includes more than 10 production lines, over 500 advanced equipment sets, and stated output across piezo buzzers, ultrasonic atomizers, and ultrasonic transducers. The supplier has 13 years of total R&D engineer experience, has introduced new products within the past year, and has exported for 24 years, with exports representing 31%–40% of sales. However, it reports no overseas warehouse, showroom, agent, or branch, no available SDK, and no overseas service countries. The provided financial records show zero values for the stated periods, so financial credibility cannot be positively established from...

Supplier typeThe supplier is explicitly classified as a manufacturer. Its stated scope covers R&D, production, and sales of electronic functional ceramic materials, optoelectronic materials, miniature electroacoustic components, sensors, transducers, and related components, indicating direct manufacturing involvement in relevant product categories.

CertificationsThe supplier reports holding ISO9001:2015 and ISO14001:2015 certificates, along with other unspecified certifications. This provides explicit evidence of certified quality and environmental management systems.

After-Sales capabilityThe supplier has documented procedures and implementation records for customer complaint handling and corrective/preventive actions, and it reports qualified suppliers for service capability. However, it has no overseas warehouse, showroom, agent, branch, or stated overseas service countries; service support is therefore evidenced mainly through procedures rather than an overseas service network.

R&D capabilityThe supplier reports 13 years of total R&D engineer experience, new products within the past year, ODM availability, and a full-process piezo-industry production line supported by more than 500 advanced equipment sets and reliability-testing conditions. It lacks an available SDK, but the stated R&D and equipment evidence supports innovation capability.

Production capacityThe supplier reports more than 10 production lines, over 500 sets of high-precision and advanced equipment, complete reliability-testing conditions, and the ability to scale and standardize production. It also states output of 205,000,000 piezo buzzers, 35,000,000 ultrasonic atomizers, and 10,000,000 ultrasonic transducers, providing explicit evidence of substantial production capacity.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services, demonstrating a broad stated ability to support customer-specific product development and manufacturing.