Our aim to treat customers is to move customers with heart, and constantly improve the quality of our oil level float switch, liquid level sensor, digital water level indicator for overhead tank and service. The goal of our company is to be a world-class ultrasonic liquid level gauge enterprise, using "Chinese brain" to equip "Made in China" and "Made in the world". We establish the corporate philosophy of "market is the basis, development is the outline, innovation is the soul" and insist on the core values of "customer first, pursuit of excellence, people-oriented, long-term benefits". Following the development of the times, we actively use the online trading platform to seek cooperation with more customers in the global market. Our passion for excellence drives us to continually improve our products and services. Our company has a wide range of products that are perfect for any budget. The company insists on taking technology as the forerunner, market as the leader, manufacturing as the foundation, management as the support, and culture as the guarantee to promote the deepening of reform and scientific development of the enterprise. Intellectual capital is an important part of intangible assets and the source of excess profits for enterprises.
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HNL100-A Ultrasonic Level SensorNon-contact level measurement. Mount it above the tank — no contact with media. No corrosion. No clogging. No cleaning. Range: up to 40m. Accuracy: -
HNL10-A Float Level SwitchCompact float switch for liquid level control and alarm. Magnetic reed switch inside a sealed tube – float rises and falls with liquid level, magnet
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One device. Two measurements. Liquid level switch + temperature sensor in a single housing. Mounts through one tank opening. Saves space, saves installation time. Level output:
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Continuous level measurement. 4-20mA analog output tells you exactly where the liquid level is – not just “high” or “low”. Hall-effect magnetic sensor inside. External float rises
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HNL20-B Level + Temperature Sensor – Multi-OutputContinuous level and temperature measurement in one unit. LED digital display shows values at a glance. Up to 4 switch outputs + 2
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HNL30-A Magnetostrictive Level Sensor – Stainless SteelHigh-precision continuous level measurement. Resolution: 0.05mm. Accuracy: ±0.1mm. Range: 25-2500mm (custom). Wetted parts:
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HNL30-B Magnetostrictive Level SensorPFA · Precision · ProtectionWhen you measure corrosive media, the sensor is not the cost. The cost is what happens when the sensor fails. PFA
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HNL40-A Rotary Paddle Level SwitchFor powders, granules, and bulk solids. A rotating paddle stops when material covers it — that triggers the switch. Simple. Mechanical. Reliable.
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HNL50-A RF Admittance Level SwitchElectronic level switch for liquids, slurries, powders, and solids. No moving parts. No mechanical wear. Probe senses material contact via
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HNL60-A Capacitive Level Switch – Smart Frequency ScanningCompact capacitive level switch for liquids, pastes, and granular media. Smart frequency scanning technology adapts to
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HNL110-A Radar Level GaugeNon-contact level measurement for liquids, slurries, and solids. 26GHz or 80GHz electromagnetic pulse. Unaffected by dust, steam, foam, or temperature
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HNL120-A Tuning Fork Level SwitchLiquid. Slurry. Powder. Granules. One switch measures them all. Piezoelectric crystals drive the fork to vibrate at its natural frequency. Contact
Edelmira Rivera
We have purchased similar products before, but the cost is very high, so we have not purchased them in large quantities. When I communicated with the person in charge of this company on the spot, I
Kimberly Selzer
Their products are very beautiful, suitable for various occasions, soft to the touch, clear printing, and fast logistics. I am very satisfied.
Carlton Dunn
This company has complete production facilities and sites, a sound organization and strong technical force, and a complete production management and sales service system, so it has always been
Loretta Ashworth
Your salesman was funny and was able to present the program to us very clearly, which we appreciated.
Lawrence Fisher
The product has been installed, the appearance is super high, and the price is high. I will recommend it to other friends.
Penny Kee
Excellent customer service and product support from this company helped us gain new business.
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We demand more and more details until our vane operated flow switch, Monocrystalline Silicon Sanitary Type Pressure Transmitter fully meet or even exceed the inspected standards. Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most experienced ultrasonic liquid level gauge manufacturers and suppliers in China, also supports customized service. Please feel free to buy high quality ultrasonic liquid level gauge at competitive price from our factory.