Ultrasonic Water Level Gauge / Non-Contact Level Measurement

Instrava Curated Instruments presents a reliable and non-contact ultrasonic water level sensor, engineered for accurate and maintenance-free liquid level measurement across a wide range of industrial and environmental applications.

Through our Curated Instruments approach, this solution is optimized for:

  • water tank level monitoring systems
  • wastewater and sewage level measurement
  • open channel and reservoir level detection
  • non-contact liquid level sensing in harsh environments

With intelligent acoustic technology and automatic temperature compensation, this ultrasonic level sensor ensures stable performance even under changing environmental conditions.

  • Wide measuring range (0–60m) for tanks, reservoirs, and silos
  • High accuracy (0.5%–1% FS) with intelligent echo analysis
  • Fine resolution (up to 3mm) for precise level detection
  • Non-contact measurement → no wear, no contamination
Parameter Specification
Measuring Range 0–60 m (various ranges available)
Accuracy 0.5% – 1% FS
Resolution 3 mm / 0.1%
Output Signal 4–20mA (2-wire / 4-wire)
Communication RS485 / RS232
Relay Output 2 × 250V / 8A
Power Supply 24VDC / 220VAC optional
Ambient Temperature -20°C ~ +60°C
Probe Temperature -20°C ~ +80°C
Protection Level Probe IP68 / Display IP65
Installation Thread / Flange
Housing Material ABS (impact & aging resistant)

An ultrasonic water level sensor measures liquid level by emitting high-frequency sound waves and calculating the time it takes for the echo to return from the liquid surface. This time-of-flight measurement is converted into a level value, enabling accurate and non-contact level monitoring.

Ultrasonic level sensors offer:

  • Non-contact measurement (no corrosion or contamination)
  • Low maintenance and long lifespan
  • Easy installation and calibration
  • Suitable for water, wastewater, and open tanks
  • Cost-effective compared to radar systems

They are ideal for general-purpose liquid level monitoring applications.

  • Ultrasonic sensors use sound waves and are more cost-effective but can be affected by temperature, vapor, or foam
  • Radar sensors use electromagnetic waves and provide higher accuracy in harsh environments

Ultrasonic sensors are best for clean environments and water applications, while radar is preferred for extreme industrial conditions.

Accuracy can be influenced by:

  • Temperature changes (affect sound speed)
  • Vapor, dust, or foam on the surface
  • Strong wind or turbulence
  • Improper installation angle

Modern sensors use temperature compensation and echo filtering algorithms to minimize these effects.

They are widely used in:

  • Water tanks and reservoirs
  • Wastewater and sewage treatment plants
  • River and environmental monitoring systems
  • Industrial storage tanks
  • Agricultural irrigation systems

They are especially suitable for non-contact water level measurement.

Key factors include:

  • Measuring range (tank height or distance)
  • Environmental conditions (temperature, vapor, dust)
  • Required accuracy and resolution
  • Output signal and communication needs
  • Installation type (thread, flange, bracket)

Choosing the correct model ensures stable and reliable long-term performance.

Related Product Recommendations  

Home
Products
Whatsapp
Contact
CONTACT INSTRAVA

Send Inquiry Message

Submit your manufacturing requirements, and our team will get back to you with professional solutions within 24 hours.

💡 Our Quality Guarantee: When your cumulative order value reaches $50,000, you pay the remaining 10% only after receiving and verifying the product quality. We let our quality do the talking.