What communication protocols are supported?

The 4-wire system supports 4-20mA, RS485, and includes 2 relays by default.

How long does it take to learn how to operate the device?

Beginners can easily get started in less than 5 minutes thanks to the large LCD menu.

What is the lead time for orders?

The average lead time is within 15 workdays for both peak and off-peak seasons.

0-20m Range 4-20mA Ultrasonic Level Transmitter for Wastewater Treatment

Name: 0-20m Range 4-20mA Ultrasonic Level Transmitter for Wastewater Treatment
Brand: Anhui Qidian Automation Technology Co., Ltd.
SKU: 2041496742

Anhui, ChinaAnhui Qidian Automation Technology Co., Ltd.

US$299.00

1-2 Pieces

US$286.00

3-4 Pieces

US$275.00

5-9 Pieces

US$250.00

10-49 Pieces

US$200.00

50+ Pieces

Product profile

Customization

Available

Type

Large range Ultrasonic Sensor

Output Signal Type

Digital Type

Model NO.

QDY70A

Production Process

Integration

Sensitivity

High

Probe Type

Straight Probe

Measuring Medium

All

Detection mode

Direct Reflection Type

IP Rating

IP65

Certification

Customized

Name

Ultrasonic Level Sensor Transmitter

Range

0-20m

Power

DC24V

Output

4-20mA Hart RS485

Accuracy

0.5%

Transport Package

Carton Package Express Shipping

Specification

32*26*7

Trademark

QIDIAN

Origin

China Mainland

HS Code

9026900010

Production Capacity

500000

Key features

IP68 Waterproof Rating: Unique 45-degree bevel design ensures whole machine waterproofing even after one year of submersion.

Anti-Burnout Output: 4-20mA output remains safe even if DC24V power supply is misconnected.

Multi-Protocol Support: 4-wire system supports 4-20mA, RS485, and 2 relays simultaneously.

High Precision Measurement: Accuracy ranges from 0.25% to 0.5% for reliable level detection.

Patent Protection: Covers invention, appearance, and utility model patents for quality assurance.

Customizable Probe: Probe length and thread specifications can be customized for extended ranges.

18-Month Warranty: Covers 18 months without natural disaster or man-made damage.

Easy Operation: Large LCD menu allows beginners to start in less than 5 minutes.

Company profile

Importers and ExportersIn-stock CapacityCustomization from SamplesQuality Assurance

Anhui Qidian Automation Technology Co., Ltd.

Anhui, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2018-01-01Nearest Port: ShanghaiAverage Response Time: ≤5.85hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, FAS, FCA

AI-Powered supplier vetting

SummaryAnhui Qidian Automation Technology Co., Ltd. is a high-tech industrial automation supplier founded in 2011. It offers broad customization, 3D software design, ODM/OEM services, SDK support, and documented R&D processes. Its portfolio includes signal isolators, safety barriers, transducers, level sensors, and digital pressure gauges. Stated production capacity is 100,000 pieces each for level transmitters and pressure transmitters, with standardized finished-product inspection. The supplier reports ISO9001:2015, RoHS, CE, and FCC certifications, documented complaint handling and corrective-action procedures, and overseas installation, debugging, maintenance, repair, and training services. Innovation evidence is mixed because the supplier reports no new products in the past year, although it maintains R&D engineers, technical documentation, and development capabilities. No financial information or Fortune 500 customer collaboration is provided.

Supplier typeThe supplier describes itself as a high-tech enterprise specializing in industrial automation and intelligent solutions, with products including signal isolators, safety barriers, electrical and pressure transducers, liquid-level sensors, and digital pressure gauges. This supports classification as an industrial automation equipment and component manufacturer.

CertificationsThe supplier reports RoHS, CE, FCC, and other product compliance certifications, as well as an ISO9001:2015 management-system certificate. The slices explicitly document multiple product and quality-system certifications.

After-Sales capabilityTechnology engineers provide technical support for production and after-sales service, while overseas offerings include debugging, maintenance, repair, training, and equipment installation. Complaint handling, supplier-service assessment, and corrective/preventive-action procedures are documented and followed, indicating an established service process.

Production capacityReported annual productivity is 100,000 pieces each for level transmitters and pressure transmitters. The supplier has high- and low-temperature alternating and aging facilities, standardized finished-product inspection instructions, a stated off-season and peak-season lead time within 15 workdays, and documented quality assurance and traceability.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also offers 3D software design, ODM, OEM for popular brands, SDK availability, and states that products can be customized to customer specifications.

Client casesThe supplier identifies Canton Fair participation and states that it offers overseas services in locations described as the United Nations and Russia. It explicitly reports no collaboration with Fortune 500 companies, and no named customer cases or verifiable project references are provided.

Product Q&A

Q:What is the waterproof rating of the device?

The device achieves an IP68 waterproof level due to its unique 45-degree bevel waterproof joint design, allowing it to work even after being soaked in water for a year.

Q:Is the probe customizable?

Yes, the probe can be customized if it needs to be extended. Thread specifications vary by range (G2 for up to 10m, 72*2mm for 15-20m).

Q:What is the accuracy of the level transmitter?

The accuracy is between 0.25% and 0.5%.

Q:What is the warranty period?

We provide an 18-month warranty covering issues not caused by natural disasters or human damage.

Q:Does the device have protection against power supply errors?

Yes, the 4-20mA output will not burn out even if the DC24V power supply is misconnected.