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Ultrasonic Liquid Level Sensor 4-20mA, 0-20m Range Non-Contact Level Transmitter
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Ultrasonic Liquid Level Sensor 4-20mA, 0-20m Range Non-Contact Level Transmitter for Water Tank, Sewage, Industrial Use
This ultrasonic level transmitter uses non-contact ultrasonic technology to measure liquid/solid levels without direct contact. It features high accuracy (±0.5% FS), automatic temperature compensation, and IP65 protection, making it suitable for sewage tanks, acid/alkali solutions, and industrial silos. Available in integrated, split, anti-corrosive, and explosion-proof versions with 4-20mA output, it works seamlessly with PLC and industrial control systems.
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Integrated Type:
Integrated Ultrasonic Level Transmitter with LCD Display, 4-20mA DC24V, 0-10m Range -
Split Type:
Split Ultrasonic Level Meter with Digital Controller, Non-Contact Level Sensor for Industrial Tanks -
Anti-corrosive Type:
Anti-corrosive Ultrasonic Level Sensor for Acid/Alkali Liquid, 0-10m 4-20mA -
Explosion-proof Type:
Explosion-proof Ultrasonic Level Transmitter for Flammable Liquids, IP65 0-20m Range
Specification
| Key | Value |
|---|---|
| Product Name | Ultrasonic Liquid Level Sensor / Transmitter |
| Model Options | Integrated Type / Split Type / Anti-corrosive Type / Explosion-proof Type |
| Measuring Range | 0-1m / 0-2m / 0-3m / 0-4m / 0-5m / 0-6m / 0-7m / 0-8m / 0-9m / 0-10m / 0-15m / 0-20m (customizable) |
| Output Signal | 4-20mA (2-wire) / RS485 / Modbus |
| Power Supply | DC 24V |
| Accuracy | ±0.5% FS (error ≤ 2.5cm at 5m range) |
| Resolution | 1mm |
| Dead Zone | 0.35m ~ 0.6m |
| Operating Temperature | -20°C ~ +60°C |
| Pressure | Atmospheric pressure |
| Protection Grade | IP65 |
| Display | LCD digital display (on integrated/split models) |
| Material | ABS flame-retardant housing, optional anti-corrosive/explosion-proof versions |
| Features | Automatic temperature/sound speed compensation, multi-speed response, anti-interference circuit, non-contact measurement |
| Applications |
Sewage tanks, acid/alkali solutions, industrial tanks, rivers, reservoirs, silos |
Mounting Method


Installation Notes:
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The reference plane for measurement is the lower edge of the sensor.
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The upper limit of the level must not enter the measurement blind zone.
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When measuring side levels, the feed inlet must be avoided.
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When installed outdoors, it is best to provide rain and sun protection.
Reference Table for Range Upper Limit and Distance from Wall
(For complex working conditions, the distance from the wall should also be increased accordingly)
|
Range Upper Limit |
Distance from Wall |
Range Upper Limit |
Distance from Wall |
|---|---|---|---|
|
5m |
0.5m |
10m |
1.0m |
|
15m |
1.5m |
20m |
2.0m |
Care Instructions
Care Instructions

