Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of ultrasonic fluid level sensor in China. Welcome to buy high quality ultrasonic fluid level sensor at competitive price from our factory. We also accept customized orders.

The HNL100-A ultrasonic fluid level sensor is an advanced non-contact measurement device engineered with full digitalization and human-centric design, ideal for liquid and solid level monitoring across industrial, environmental, and storage applications. It eliminates common pain points of traditional sensors (winding, clogging, leakage, corrosion) by measuring without contacting media, leveraging imported industrial-grade chips and military-grade multi-layer PCB boards for robust anti-interference performance.

Boasting a measurable range of 5-40m (customizable) and ±0.3% F.S. accuracy, this sensor features a 0.4-2m blind zone, OLED self-illuminating Chinese/English menus, and 1mm display resolution for intuitive operation. It supports flexible power supplies (12-24VDC or 220VAC) and diverse outputs: 4-20mA current, 0-5V/0-10V voltage, RS485, plus wireless transmission (GPRS, Bluetooth, radio module) for remote data access. Equipped with 2 relay outputs and 3 NPN open-collector outputs, it enables customizable upper/lower limit control and alarm functions, while MiniSD/USB storage supports data logging.

Crafted with durable ABS engineering plastic housing (IP65 protection, optional Exia IB T4 Ga explosion-proof rating), the sensor adapts to normal temperature and pressure environments, with M60x2/DN80 installation interfaces for easy integration. Its modular design allows function expansion, and wide voltage adaptability ensures stable operation in complex industrial settings.

The HNL100-A ultrasonic fluid level sensor is widely trusted in water treatment, chemical processing, warehousing, environmental protection, and power industries. Combining precision, versatility, and low maintenance, it delivers reliable level measurement and control, making it a top choice for businesses seeking efficient, non-contact fluid level monitoring solutions.

HNL100-A Ultrasonic Liquid Level Sensor Parameters
Specific Parameters	Value / Description
Measurement Principle	The HNL100-A ultrasonic level sensor is a non-contact measuring instrument designed specifically for industrial liquid level monitoring. It employs advanced time-of-flight (TOF) principle, accurately calculating the liquid level height based on the round-trip time of high-frequency ultrasonic pulses. It integrates a piezoelectric transducer and signal processing module within a compact pink protective housing, boasting IP65 and higher protection ratings. It supports 4–20mA/RS-485 signal output, allowing direct connection to industrial control systems. Built-in temperature compensation algorithms and echo filtering technology effectively handle complex conditions such as foam, dust, and temperature fluctuations, ensuring stable and reliable measurements.
Measuring Medium	Water, sewage, acid and alkaline solutions, oils, beverages, etc.
Application Scenarios	Level, liquid level
Connection Method	M60X2 461MM round hole (with large nut) DN80 non-standard
Electrical Connection	M20X1.5 (two sets)
Measurement Range	5m,8m,10m,12m,15m,20m,25m, 30m,35m,40m,Customized
Display	OLED Chinese and English menu (with self-illumination)
Transmitter Housing Material	ABS engineering plastic
Outputs	4~20mA,1~5V,1~10V,RS485,GPRS, 3-channel NPN,2-channel relay
Power Supply	12-24VDC,220VAC
Protection Level	IP65 (higher protection levels can be customized)
Certificate	CE certified
Ordering Information	-

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Ultrasonic Fluid Level Sensor