Ultrasonic Liquid Level Sensor Suitable for Fields Requiring Liquid Level Detection

• Customization: Available
• Contact: Contactless
• Output Signal Type: Digital Type
• Model NO.: YTUF21
• Feature: Low Temperature Resistant
• IP Rating: IP67
• Customized: Customized
• Operating Voltage: 9~36VDC
• Power Consumption: 0.45W/12VDC
• Operating Temperature: -20ºC~+70ºC
• Storage Temperature: -40ºC~+80ºC
• Measuring Range: 2~100cm
• Measurement Accuracy: ±0.5% Fs Measurement Accuracy
• Measurement Resolution: 0.1mm
• Transport Package: Carton Packaging
• Specification: Diameter 68mm, Height 30.8mm, Cable Length 1 meter
• Trademark: ThinkSonic
• Origin: Xiamen
• HS Code: 9026100000
• Production Capacity: 50000000 Pieces/Years

Product Description

Product Description

Product Parameters

Device Model	YTUF21
Operating Voltage	9~36VDC
Power Consumption	0.45W/12VDC
Operating Temperature	-20ºC~+70ºC
Storage Temperature	-40ºC~+80ºC
Measuring Range	2~100cm
Measurement Accuracy	±0.5% FS
Measurement Resolution	0.1mm
Probe Specifications	Diameter 68mm, Height 30.8mm, Cable Length 1 meter,Opening Diameter 38mm
Protection Rating	IP67 protection certification / CNEx explosion-proof certification
Communication Interface	RS232 / RS485, voltage analog
Communication Port Parameters	Baud rate defaults to 9600 (baud rate configurable), no parity bit, 8 data bits, 1 stop bit, no flow control.
Applicable Tank Materials	This liquid level sensor is applicable to diesel fuel tanks,tanks storing non-combustible liquids.

Features

- Tank Height Compatibility: Suitable for tanks with a height ranging from 2cm to 100cm.
- High Precision: 0.1mm resolution, <0.5% FS accuracy.
- Easy Installation: No pipe cutting/customization; on-site calibration by tank height.
- Diverse Interface Options: Equipped with RS232, RS485, and voltage analog interfaces.
- Reliable Stability: Operates stably within a temperature range of -20ºC to +70ºC.
- Professional Certifications: Has obtained IP67 protection certification and CNEx certification.

Product Introduction

The YTUF21 series ultrasonic liquid level sensor is an air-coupled type, designed to measure liquid level
height in fuel tanks, containers and vessels. It is mainly used in vehicle IoT for real-time monitoring of
fuel tank liquid level changes. Probe specs: 68mm diameter, 30.8mm height, 1m cable length, 38mm
opening diameter; compatible with 2-100cm tank heights.

Application Scope: Widely used for real-time fuel level monitoring in logistics fleets, passenger buses,
oil tankers, fire trucks, sanitation vehicles and various commercial vehicles. Also suitable for fields
requiring liquid level detection, such as chemical industry, water conservancy and storage tanks.

Company Profile

FAQ

Q1: What is your company's core business?
A: THINKSONIC TECHNOLOGY CO., LTD. specializes in R&D and manufacturing of precision sensors and IoT solutions. Our product lines cover:
- Automotive IoT: Ultrasonic level sensors, Vehicle Telematics Units, Active Safety Video Terminals
- Structural Monitoring: Settlement/inclination sensors, Hydrostatic level gauges, Strain/pressure gauges, Data loggers with wireless transmission

Q2: Are you a manufacturer or trading company?
A: We are a manufacturer with in-house R&D center and production facilities in Xiamen, China. All products are independently designed and strictly quality-controlled.

Q3: What is your minimum order quantity (MOQ)?
Standard products start from 10 units. MOQ for customized items varies by project complexity - contact us for evaluation.

Q4: How long is your lead time?
A: Standard products: 15-30days after order confirmation. , a bit longer for customized products. But we are very flexible on the lead time, it will depend on the specific orders.

Q5: Can you customize products?
A: Yes. We offer: Logo printing; Packaging redesign; Technical parameter adjustments; Private labeling

Q6: Can I get samples?
A: We have to charge both samples and freight cost, and when you place orders, we'll refund your sample cost. 

Q7: How to handle after-sales issues?
A: Our support includes: ✓Online troubleshooting ✓Technical documentation & video guides

Q8: How to visit your factory?
A: Welcome to schedule an audit: 1.Submit visit request via "Contact Supplier" 2.We'll send official invitation letter within 48h 3.Virtual factory tour available via video call