Do you have international certifications? What is the warranty period?

Yes, our products hold international certifications such as CE, RoHS, ATEX/IECEx (for explosion-proof, optional). We offer a standard 12-24 month warranty and provide professional technical support and spare parts service.

Yunyi Loop Powered 4-20mA Wireless Magnetostrictive Level Sensor 0.2mm Precision for Process Control

Name: Yunyi Loop Powered 4-20mA Wireless Magnetostrictive Level Sensor 0.2mm Precision for Process Control
Brand: Xi'an Yunyi Instrument Co., Ltd.
SKU: 2284765835

Shaanxi, ChinaXi'an Yunyi Instrument Co., Ltd.

US$218.00

10-499 Pieces

US$207.00

500-2,999 Pieces

US$184.00

3,000-4,999 Pieces

US$161.00

5,000+ Pieces

Product specifications

color

model number

Measurement Range

Sample price:US$300.00/piece.Request sample

Product profile

Customization

Available

After-sales Service

1 Year

Principle

Magnetic Sensors

Model NO.

YLMW400

Range

0-15m

Measurement Accuracy

±3mm

Accuracy

0.2%

Kind

Liquid Level Transmitter

Structure

All in One

Warranty

1 Year

Certification

CE, RoHS

Material

SS360L

Process Temperature

-20℃~80℃

Measurement

0.1mm Accuracy

Output Signal

4-20madefaultrs485hart Protocol, etc

Power Supply

12~24VDC

Customized Support

Oemodmobmsoftware Reengineering

Place of Origin

Shaanxi, China

Repeatability

Better Than 0.01%Fs

Type

Wireless Magnetostrictive Liquid Level Transmitter

Measuring Range

150mm-1600mm

Brand Name

Yunyi

Working Pressure

4MPa

Temperature

-40c~+350c

Model

Ylmw400

Linear Error

0.01%Fs

Origin

Shaanxi, China

Key features

Wireless Connectivity: Supports LoRaWAN, NB-IoT, 4G with 1-3km range and no wiring needed.

Durable Stainless Steel: Constructed with SS304/316 and PTFE for corrosion resistance.

Long Battery Life: Ultra-low power design offers 1-5 years battery life per charge.

Easy Retrofit Installation: Installs via standard mounting hole without tank emptying or shutdown.

Comprehensive Certifications: CE, RoHS, and optional ATEX/IECEx explosion-proof certifications.

Flexible Customization: Offers OEM/ODM, software reengineering, and protocol adaptation.

Company profile

Xi'an Yunyi Instrument Co., Ltd.

Shaanxi, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 13 Years CertifiedNearest Port: Guangshou Port, Shanghai Port, Shenzhen Port, Khorgos PortAverage Response Time: ≤4.06h

AI-Powered supplier vetting

SummaryThe supplier is a limited trading company in the manufacturing industry with affiliated companies and five production lines. It reports valid manufacturing-capacity contracts with associated subcontractors, in-stock capability, outsourcing procedures, and service procedures for supplier assessment, corrective actions, and complaint handling. It supports extensive customization, has introduced new products during the past year, and provides OEM services for recognized brands. Reported lead times are within 15 workdays in both peak and off-season, with 30 qualified service suppliers and multiple quotation and payment options. However, it has no overseas warehouse, showroom, agents, branches, or overseas service coverage, does not provide ODM services, has no SDK, and has no internationally recognized design awards. Continuous quantity reconciliation is not performed, while fire-drill and environmental-assessment status is unknown. Customer-case evidence is limited to OEM service for recognized brands and...

Supplier typeThe supplier is identified as a limited company whose company type is a trading company, operating in the manufacturing industry and associated with other companies. Its product scope covers pressure, flow, level, and calibration instruments.

After-Sales capabilityThe supplier has written procedures and records for service-capability assessment, corrective and preventive actions, and customer complaints. It also reports in-stock capability, lead times within 15 workdays in both seasons, and participation in a named overseas trade show, but has no overseas warehouse, showroom, agents, branches, or overseas service coverage.

R&D capabilityThe supplier reports new products during the past year and offers multiple forms of customization, including full customization. However, it provides no ODM service, has no available SDK, and reports zero internationally recognized design awards; the evidence supports product-development activity but not strong independent innovation credentials.

Production capacityThe supplier reports five production lines, valid manufacturing-capacity contracts with each associated subcontractor, an outsourcing SOP, in-stock capability, 30 qualified service suppliers, and lead times within 15 workdays year-round. A stated weakness is that the factory does not continuously reconcile quantities for every batch or mass-production run.

Customization capabilityThe supplier explicitly supports customization from samples and designs, flexible and minor customization, and full customization. It also reports product R&D activity through new products introduced in the past year, although ODM service is unavailable.

Client casesThe supplier states that it provides OEM services for recognized brands and records participation in the Vietnam Industrial Control, Automation and Equipment Exhibition. No specific customer names, project outcomes, order references, or broader case details are provided, so the evidence of customer experience is limited.

Product Q&A

Q:What are the core advantages of this wireless level transmitter compared to wired versions?

The key advantages are no wiring needed, flexible installation, and significantly reduced installation costs. It maintains the inherent high accuracy and reliability of magnetostrictive technology while transmitting real-time data wirelessly (e.g., LoRa, NB-IoT). It is ideal for remote monitoring, retrofitting existing facilities, or locations where cabling is difficult.

Q:What is the stability and range of the wireless communication? What protocols are supported?

It employs industrial-grade wireless modules for stable and reliable communication. Typical line-of-sight range is up to 1-3 km (depending on module and environment). We support mainstream protocols like LoRaWAN, NB-IoT, 4G, and can adapt to customer-specified private protocols or frequency bands (e.g., 470MHz).

Q:What is the battery life? Does it feature low-power design?

Yes, the product features ultra-low power consumption design. Depending on the data reporting interval, the typical battery life on a single charge/replacement is 1-5 years. Some models can be optionally equipped with solar panels for permanent operation.

Q:What types of liquids is it suitable for measuring? Are there any media requirements?

It is suitable for most non-highly corrosive liquids, including water, fuel, lubricants, chemical storage tanks, food-grade liquids, etc. The float material (e.g., 304/316 stainless steel, PTFE) can be selected based on media corrosiveness. It is not recommended for media with excessive viscosity or crystallization tendencies.

Q:Is installation complicated? Does it require tank emptying or process shutdown?

Installation is very straightforward. It typically requires only a standard-sized mounting hole on the tank top for flange or threaded fixation. Usually, process shutdown or tank emptying is NOT required, allowing installation under pressure, which is highly convenient for retrofit projects.