New Arrival Non Contact Explosion-Proof Ultrasonic Fuel Level Sensor
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Product Highlights
- Non-Contact Measurement: Ultrasonic sensor with high reliability and maintenance-free features, resistant to electromagnetic interference.
- Flexible Output Options: Supports 4-20mA, 0-5V, and RS485 Modbus RTU protocols for versatile integration.
- Customizable Parameters: Custom power supply, working temperature, IP rating, and measuring ranges available.
- Fast Response Time: Response time adjustable from 0.5s to 10s via software or Modbus commands.
- Wide Application Scope: Suitable for water, oil, diesel tanks, treatment plants, food, and chemical industries.
- OEM/ODM Service: Professional OEM and ODM services with timely response and accurate delivery.
- Robust Protection: IP65 to IP68 waterproof rating with complete protection against obstacles and interference.
Product Attributes
- Customization
- Available
- Type
- Waterproof Ultrasonic Sensor
- Output Signal Type
- Analog Type
- Model NO.
- US3003
- Sensitivity
- High
- Measuring Medium
- Solid Liquid
- IP Rating
- IP65
- Certification
- CE
- Customized
- Customized
- Output 2
- 4 ~ 20mA
- Output 1
- 0~5V
- Power Supply
- 24VDC/300mA
- Min Level Range
- 5 Meters Level Range Non-Contact
- Max Level Range
- 15 Meters Water Outdoor or Indoor
- Waterproof
- IP65~IP68
- Transport Package
- Standard Export Packing, No Damage to Product
- Trademark
- Holykell
- Origin
- Hunan, China (Mainland)
- Package Size
- 32.00cm * 20.00cm * 16.00cm
- Package Gross Weight
- 2.500kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
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Product Description

Measurement Accuracy | ≤ ±0.50%F.S(Typical); ≤ ±0.25%F.S (by customized) |
Measuring Range | 2.5m, 5m, 10m, 15m, others on request |
Blind area | 4-20mA/0-5V(2.5m/5m):≤200mm |
4-20mA/0-5V(10m):≤300mm | |
4-20mA/0-5V(15m):≤500mm | |
Output | 4-20mA(3 wires)&RS485 Modbus RTU; 0-5V(3 wires)&RS485 Modbus RTU Optional |
Power Supply | DC 24V(default); DC 12V(by customized) |
Working Temp. | -10~50℃(-40~80℃ by customized) |
Beam angle | 12° |
Measuring mode | Distance mode(default), or level mode optional |
Cable optional | PUR/ FEP/ PE |
Working current | ≤300mA |
Installation mode | Nut clamping fixed installation, screw-in installation, M68×2 |
IP rating | IP67 typical, IP68 by customized |
Product material | Polypropylene + glass fiber |
Response time | 0.5s (2.5m/5m default); 1s (10m default); 2s (15m default); 0.5~10s adjustable with software or Modbus commands, the faster, the shorter the lifetim |





2)Customizable Alarms: Tailor alarms to specific levels and receive immediate notifications through alarm lights, SMS, email, or app alerts. Act swiftly when changes occur.
3)Data Logging and Storage: Automatic logging and storage of historical data for up to one year. Access data for in-depth analysis and decision-making. 4)Easy Installation: Seamlessly install the system and add or relocate devices as needed to adapt to changing operational needs.
5)Compatibility: Integrate effortlessly with existing instrumentation and systems, ensuring a smooth transition to our solution.


*Treatment plants
*Food industry
*Chemical industry
*Rivers, channels, lakes


To meet the user diversified requirement, Holykell have established a set of customer service and technical support
system with OEM / ODM order as the center, and responded and Handle the customer's requirements in a timely
manner to ensure accurate delivery time and product quality.
Order services
Fastest reply:Professional sales engineers 7/24 online services
Payment terms:T/T ,Western union, Paypal, Credit Card, L/C others
Fast delivery: within 24 hours release the cargo (normal spec.), Customized 7-12 days after payment .
MAINTENANCE & AFTER-SALES SERVICES
Customer Feedback: Sales engineers and technical engineers will be one-on-one service for you to exclude all
obstacles when use our sensors.
Warranty period: 12 months
Product life-long maintenance: Holykell can provide you with the maintenance of the whole life of the sensors
A: we will contact you in 2 hours as soon as we can.
A: Yes,we have materials in stock to help you to get the samples as soon as we can.
Q: How about the quality of the magnets?
A: We have the certification of ISO,CE and ROSH,we could send the certification test of our company to you.
Q: How is the price?
A: As we believe the quality is the most important,we will provide the best quality pressure sensor we can with reasonable price.
Q: Could you provide me the shortest lead time?
A: We have materials in our stock,if you really need,you can tell us and we will try our best to satisfy you.
Q: Could I visit your factory?
A: Of course,if you need we will help you to visit our factory.
Q: If I have paid,when will you help me to produce?
A: When we have received the money in our account,we will give you the receipt and arrange to produce immediately.
About the Supplier
This supplier has been audited by BV. Verify the report on the official BV website with ID "MIC-ASR249649". Items marked "" are certified.
Company Profile
Founded in 2001, Holykell is a High-Tech Enterprise integrating R&D, production and sales. The company have gathered a number of excellent domestic technical experts in various fields such as automation, electronics, machinery and computer. More than 80% of HOLYKELL employees have bachelor's degree. At present, HOLYKELL has more than 120, 000 customers worldwide and it's products are exported to 109 countries in Europe, America, Australia, Africa, SouthEast and Asia. In the latest petrochemical industry, our newest products have the advantages
Of small size, temperature changes resistance, high stability and reliability. HOLYKELL has a number of national patents. The purification workshop covers 5000 square meters with one automatic production line and two semi-automatic production lines and 1000 modern office. The annual production capacity is one million sensors. Our products have passed the ATEX, TUV CE, RoHS and FCC certification of the European Union and North American, The factory have been passed ISO9001: 2015 international quality management system certification. Our mature and advanced production processes and technologies can guarantee the safe, stable and long-life time operation on your project.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 100 Luyun Road, Lugu, Yuelu District, Changsha, Hunan, China
-
Plant Area
- 490.8 square meters
-
Number of Employees
- 44
-
Registered Capital
- 10,100,000 RMB
-
Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment, D/P
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays
Off Season Lead Time: within 15 workdays -
Nearest Port
- Shanghai Port.Shenzhen Port.Guangzhou Port.
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Level Sensor, Flow Meter, Pressure Sensor, Wireless sensors, Temperature sensors
-
Production Lines
- 4
-
Production Machines
- Laser Printing machine, Winding machine, Laser Welding Machine, Electrified high-temperature aging equipment, Constant temperature and humidity detection box, Ultrasonic testing equipment
-
QA/QC inspectors
- 3 people
-
Inspection Type for Finished Products
- 100% inspection(Visual inspection & Function inspection)
-
Inspection Method for Finished Products
- Have instructions and uniformly followed
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Minor Customization, Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 8 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2011-01-10
-
Export Year
- 13 Years
-
Main Markets
- North America, Europe, Southeast Asia/ Mideast
-
Repeat Buyers Choice
- 80%~100%
-
Number of Foreign Trading Staff
- 21
-
Overseas Agent/Branch
- Yes
-
New Products Launched in Last year
- Yes
Our Certifications, Standards & Industry Recognition
-
Product Certification
- CE, FCC
-
Cooperated with Fortune 500
- Yes
FAQ
- How long will you give me the reply?
- We will contact you in 2 hours as soon as we can.
- Could I get samples?
- Yes, we have materials in stock to help you to get the samples as soon as we can.
- How about the quality of the magnets?
- We have the certification of ISO, CE and ROSH, we could send the certification test of our company to you.
- How is the price?
- As we believe the quality is the most important, we will provide the best quality pressure sensor we can with reasonable price.
- Could you provide me the shortest lead time?
- We have materials in our stock, if you really need, you can tell us and we will try our best to satisfy you.
- Could I visit your factory?
- Of course, if you need we will help you to visit our factory.
- If I have paid, when will you help me to produce?
- When we have received the money in our account, we will give you the receipt and arrange to produce immediately.
Send your message to this supplier
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