Ultrasonic Level Transmitters

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Ultrasonic Level Transmitter for Liquid

SISCO-ULT-TH-L300N

Ultrasonic level transmitter for liquids offers a customizable measuring range of 0~15m, with a 0.45–0.6m narrow blind zone for full effective detection. Optimized probe technology delivers ±0.25% precision under standard conditions. Featuring stable detection, this non-contact transmitter suits liquid tanks, supplying accurate level data for industrial monitoring systems.

$275.46

Ultrasonic Water Level Sensor, RS485

SISCO-ULT-QDY70A

Ultrasonic water level sensor adopts a narrow 9° antenna beam angle to reduce signal interference from surrounding barriers, achieving fine detection with a resolution equal to 0.005% of the full measurement range. It reserves a 0-20 cm measurement blind zone to avoid close-range reading errors and supports relay linkage output for automatic alarm and control. With dual DC12V/DC24V power supply options, it fits different on-site power layouts.

$190.38

Non Contact Ultrasonic Level Transmitter, 0-10m

SISCO-ULT-MIK-WSU180

Non-contact ultrasonic level transmitter is a smart solution for continuous liquid level measurement. With a measuring range of 0-5 m (10m optional), ±0.5% FS accuracy, and 1mm resolution, it delivers fast and precise readings without touching the measured medium. The IP65 waterproof design ensures durable performance for industrial tanks, water systems, and level monitoring.

$316.31

Split Type Ultrasonic Level Transmitter, 0-20m

SISCO-ULT-SZY-FT-201-C4

Split-type ultrasonic level transmitter uses ultrasonic technology to provide precise, non-contact level measurement for tanks, containers, and industrial processes. It offers ±0.3% F.S. measurement accuracy, a 0.06–2m blind zone, IP65 protection, and an ABS probe for long-term reliability. The included 10m shielded cable improves installation flexibility, with custom cable lengths available.

$446.00

Digital Ultrasonic Level Transmitter

SISCO-ULT-SYZ-102

Digital ultrasonic level transmitter provides accurate and reliable non-contact level measurement for liquids and other materials. Featuring a 1mm resolution and measurement accuracy of 0.25–0.5% F.S., it delivers stable performance for industrial monitoring applications. With a compact design, built-in LCD display, and low power consumption of less than 0.6W, this ultrasonic level transmitter allows users to easily view liquid level or distance values in real time.

$162.46

Integrated Ultrasonic Liquid Level Transmitter

SISCO-ULT-MIK-MP

Integrated ultrasonic liquid level transmitter combines the ultrasonic sensor and transmitter in one compact unit for easy installation. With a 5m measurement range, 1mm resolution, and ±0.3%FS accuracy, it delivers precise liquid level measurement without direct contact with the medium.

$500.92

Explosion Proof Ultrasonic Level Sensor

SISCO-ULT-SZY-EX-101

Explosion-proof ultrasonic level sensor delivers accurate, non-contact level measurement for hazardous industrial environments. Featuring a 0.3–0.5m dead zone, ±0.3% F.S accuracy, and 1mm resolution, it provides reliable level monitoring for chemical, petroleum, and process automation applications.

$477.85

Ultrasonic Tank Level Sensor, 4-20mA

SISCO-ULT-MIK-MP-C

Ultrasonic tank level sensor adopts an all-in-one design where the ultrasonic sensor and transmitter are combined within one compact body for straightforward mounting. Equipped with a 5m range, 1mm resolution and accuracy of ±0.3%FS, it provides high-precision liquid level measurement in a non-contact manner.

$470.15

Wireless Ultrasonic Level Sensor, WIFI

SISCO-ULT-ZSS-LM01-EU-EN

The wireless ultrasonic level sensor provides accurate non-contact liquid level measurement without complex wiring. Featuring 2.4G WiFi communication, it supports wireless data transmission up to 50 m without obstacles for remote monitoring of water tanks, storage tanks, and industrial containers. With ±0.02 m accuracy, it ensures reliable readings and flexible installation where cable wiring is difficult.

$97.65

Ultrasonic Fuel Level Sensor, 0-15m

SISCO-ULT-FK-ULS-B

Ultrasonic fuel level sensor provides accurate non-contact fuel level measurement for storage tanks and monitoring systems. With 1 mm resolution or 0.1% FS accuracy (whichever is larger), it delivers reliable readings without fuel contact. The IP68 probe and IP65 housing ensure stable operation in industrial environments. Powered by 18–28VDC, it is suitable for fuel tanks, oil storage, and automated level monitoring applications.

$572.59

Choosing the right ultrasonic level transmitter is essential for achieving accurate and reliable level measurement in industrial applications. Since different tanks, liquids, installation environments, and control systems require different specifications, selecting the proper model requires considering measurement range, accuracy, output signal, installation type, and operating conditions.

What Are the Advantages of an Ultrasonic Level Transmitter?

The advantages of an ultrasonic level transmitter include non-contact measurement, low maintenance and long service life, easy installation and flexible mounting, various industrial applications, and multiple output options. These features make it a reliable solution for continuous liquid level monitoring in industrial tanks and storage systems.

Non-Contact Ultrasonic Level Measurement

The biggest advantage of an ultrasonic level transmitter is its non-contact measurement technology. This ultrasonic level sensor measures liquid level from above the tank without touching the measured medium. Benefits include:

Reduced contamination risk
Less corrosion damage
Lower maintenance requirements
Suitable for corrosive and dirty liquids

The ultrasonic transmitter is widely used for water tanks, wastewater tanks, chemical storage tanks, and fuel monitoring systems.

Low Maintenance and Long Service Life

Unlike mechanical level sensors, ultrasonic level sensors have no moving parts that can wear out over time. This design improves measurement reliability and reduces maintenance costs in continuous industrial applications.

Easy Installation and Flexible Mounting

An ultrasonic tank level transmitter can be installed above the liquid surface without direct contact with the material. This simplifies installation and makes it suitable for different tank designs. Available options include:

Integrated ultrasonic level transmitter for compact installation
Split-type ultrasonic level transmitter for flexible mounting
Wireless ultrasonic level sensor for remote monitoring

Suitable for Various Industrial Applications

Ultrasonic level transmitters provide reliable measurement for different liquids and environments, including:

Water level measurement
Wastewater level monitoring
Chemical liquid tanks
Oil and fuel storage tanks
Industrial automation systems

Multiple Output Options for Easy Integration

Modern ultrasonic level transmitters support various communication interfaces for industrial control systems. Common outputs include:

Output Type	Application
4-20mA	PLC control and industrial automation
RS485 Modbus	Digital communication and SCADA systems
Relay Output	Level alarm and pump control
WiFi	Remote monitoring and IoT applications

Ultrasonic Level Transmitter Selection Table

Model	Measuring Range	Output / Communication	Key Features
SISCO-ULT-TH-L300N	0–10 m	4-20mA	Non-contact measurement, designed for corrosive media, reduces sensor damage from chemical exposure
SISCO-ULT-QDY70A	0-20m	4-20mA, 4-20mA+RS485+2 relays	Digital communication, easy integration with PLC and monitoring systems
SISCO-ULT-MIK-WSU180	0–10 m	RS485 (4-wire optional), Modbus-RTU protocol	Contactless level measurement, low maintenance, reliable liquid detection
SISCO-ULT-SZY-FT-201-C4	0–20 m	4～20mA, 4-channel relay, RS485 communication, HART communication	Separate sensor and transmitter design, flexible installation, long measurement distance
SISCO-ULT-SYZ-102	0–10 m	4–20mA, 4–20mA + RS485 + 2-channel relay	Compact structure, easy setup, real-time level display
SISCO-ULT-MIK-MP	0-5m	RS485, Modbus-RTU Protocol	All-in-one design, simple installation, stable level measurement
SISCO-ULT-SZY-EX-101	0-20m	4-20mA, 4-20mA + HART, 2-channel relay output, RS485 output	Explosion-proof design, suitable for hazardous environments
SISCO-ULT-MIK-MP-C	0-15m	RS485, Modbus-RTU Protocol	Compatible with PLC control systems, stable analog signal transmission
SISCO-ULT-ZSS-LM01-EU-EN	0–5 m	2.4G WiFi	Wireless data transmission, easy installation without signal wiring
SISCO-ULT-FK-ULS-B	0–15 m	RS485, Modbus-RTU protocol	Non-contact fuel measurement, suitable for continuous tank monitoring

Tips: Ultrasonic Level Transmitter Selection Checklist

Before purchasing an ultrasonic level transmitter, confirm:

Required measuring range
Measurement accuracy
Output signal type
Installation method
Operating temperature
IP protection rating
Power supply requirements
Application environment