• Xian Votesen Electronic Technology Co., Ltd.
    w***Nel, US
    I worked with Jack Yin, he was extremely helpful, willing to accommodate all my customizations and provided an excellent quality product. Thanks Jack, will work with you and Votesen again.
  • Xian Votesen Electronic Technology Co., Ltd.
    Very trustful supplier!
  • Xian Votesen Electronic Technology Co., Ltd.
    Great product. Good delivery time. Now my project is on course!
Contact Person : Mike Su
Phone Number : +8617782470268
WhatsApp : +8617782470268

IP65 Waterproof 4~20mA Wireless Ultrasonic Tank Level Meter Normal Temperature

Place of Origin China
Brand Name VOTESEN
Certification Industrial
Model Number VLS731
Minimum Order Quantity 1
Price Negotiable
Packaging Details Carton Box
Delivery Time 7-25 Working Days
Payment Terms L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability 35000 Pcs per Day
Product Details
Type Wireless Ultrasonic Tank Level Meter Measuring Range 0~3M/0~5M/0~8M/0~10M/ 0~12M/0~15M/0~20M/0~30M/0~40M (Optional)
Accuracy ±0.2%F.S Application Acid, Oil, Diesel, Water Liquid Or Solid Level Measurement
Blind Area 0.25M~2M Resolution 1 Mm
Protection Level IP65 (Customizable) Working Environment -10℃~60℃
Temperature Compensation Automatic Temperature Compensation Output Signal Analog, Digital, Switch, And Wireless Transmission (Optional)
Power Supply DC12~24V (Customizable) Sensor Dimensions Φ92mm×198mm×M60 (3~15M) ; Φ92mm×270mm×DN80 (15~40M)
Installation Method M60X2 Thread Mounting (Customizable) OEM Acceptable
Package Standard Export Packages Warranty 1 Year
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20mA Wireless Ultrasonic Tank Level Meter


IP65 Wireless Ultrasonic Tank Level Meter


20mA ultrasonic water level meter

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Product Description

IP65 Waterproof 4~20mA Wireless Ultrasonic Tank Level Meter Normal Temperature


The Wireless Ultrasonic Tank Level Meter with the advantage of perfect level monitoring, data transmission, and man-machine communication.



Our Votesen VLS731Wireless Ultrasonic Tank Level Meterfor Normal Temperature Usage is manufactured with an engineering plastic ABS waterproof case and a high-quality multi-layer PCB board, designed with a modular circuit. The main chip adopts dozens of related ASICs with import industrial-grade single-chip microcomputer to make it with perfect features of digital temperature compensation and ultra-wide voltage input voltage regulation.


IP65 Waterproof 4~20mA Wireless Ultrasonic Tank Level Meter Normal Temperature
Performance Index (Select upon Purchase)
Measuring Range 3M,5M,8M,10M,12M,15M,20M,25M,30M ,35M,40M
Blind Area 0.25M~2M
Minimum Display Resolution 1MM
Accuracy Rate ±0.2%F.S
Temperature Compensation Automatic Temperature Compensation
Display OLED English/Chinese Display
On-Site Setting Complete Through the Keys of the Machine
Calibration Factory Calibration, On-Site Calibration
Output Signal (Select upon Purchase)
Analog Output 4~20mA,0~20mA,0~5V,0~10V
Digital Output RS485/Modbus,HART(Two-Wire System)
Switch Output NPN (with PP pulse output option) ,Relay (AC:5A/250V DC:10A/24V)
Wireless Transmission GPRS, LORA, NB, RF, Bluetooth, Wifi, etc.
Power Supply (Select upon Purchase)
Working Voltage DC12~24V
Power Consumption <1.5W
Environmental Performance (Select upon Purchase)
Protection Level IP65 (Customizable)
Explosion-Proof Grade EXiaII BT4Ga (Optional)
Working Environment Normal Temperature and Pressure (Customizable)
Storage Humidity ≤80%RH Without Condensation
Physical Properties (Select upon Purchase)

Φ92mm×198mm×M60 (3~15M)

Φ92mm×270mm×DN80 (15~40M)

Shell Material ABS, PP, PTFE, Stainless Steel 304
Incoming Cable Customizable (According to Actual Application Requirements)
Installation M60X2 Thread Mounting (Customizable)
Keyboard Three-Digit Patch A.B.C Key




Our Votesen VLS731 Standard Type Integrative Ultrasonic Level Meter for Normal Temperature Usage can meet most liquid level and material level measurement requirements without contacting industrial media. It is applicable to various fields concerning level measuring and monitoring:


★ Acid Level Measurement

★ Oil Level Measurement

★ Diesel Level Measurement

★ Water Level Measurement

★ Solid Level Measurement



We can customize your Ultrasonic Level Meter products according to your demand. We produce all kinds of special requirements of Integrative and Segregated ultrasonic level meters and provide OEM and technical support. If you are unsure of the type of ultrasonic level meter or assembly that fits your requirements, kindly provide us the following information for custom made ultrasonic level meter:


Ultrasonic Level Meter Type

Measurement Medium

Measurement Range

Working Environment Temperature

Cable Length


Power Supply



Sample Order Quantity

Bulk Order Quantity 


If there is a specific request or custom made, you are welcome to provide us your detailed drawing. Feel free to connect with us!