We will continue to surpass ourselves, create value for customers as always, and provide better Submersible Hydrostatic Level Transmitter, capacitive tank level sensor, digital water level indicator for overhead tank with excellent technology and services. Upholding the concept of honesty and strength first, we always pursue the cooling tower float switch quality and service that can satisfy you. We adhere to the purpose and mission of rewarding shareholders, benefiting employees and contributing to society, and include public welfare support in our development strategic planning. Our team of experienced professionals is dedicated to delivering the best possible solutions to our clients. "Good quality and low price, reputation first, be a man beforehand" is the most sincere guarantee that all our staff give you. We offer a wide range of customization options to suit your unique needs. Our products are designed to meet the evolving needs of our customers and markets, and are constantly being improved and updated. We insist on the enterprise spirit of "learning, surpassing and leading".
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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: -
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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HNL80-A Magnetostrictive Displacement SensorBuilt-in cylinder position sensor for hydraulic systems. Measures piston position and velocity simultaneously. Non-contact — no wear.
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HNL90-A Magnetic Flap Level GaugeExternal bypass pipe level indicator for tanks. Flap display — red for liquid, white for air. No power needed for the display. Range: 150-7000mm.
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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
John Foster
This supplier is completely customized to my requirements, thanks!
Amalia Soto
I have been wanting to buy this for a long time. I have seen that the prices of many brands are a bit high. I have been worried that it will not be good to buy it back so cheaply, but I think this
Frances Stein
This is a reliable company, and their products are of good quality and run very stably, so I hope to have the opportunity to cooperate again.
Andrew Smith
During our cooperation with this company, we deeply felt that their team was very professional, focused, and focused on innovation. Only after years of experience accumulation and system analysis and
Bobby Hasty
The after-sales service provided by this company is very awesome. I was contacted within a few hours after the order was placed to inform me about the use of the product, and the delivery was fast.
Chris Chan
The delivery is very fast, the stuff is amazing!!
Our business is to do a good job of PFA Magnetostrictive Liquid Level Sensor, RF Admittance Level Switch, ultrasonic tank level indicator because we firmly believe that professionalism can create a brand. Our products are positioned in the general market, with reliable quality, excellent performance, sturdy and durable, and have achieved a more perfect combination in terms of advancement and economy. In the future, we will continue to optimize our products and strive to expand the market. Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most experienced cooling tower float switch manufacturers and suppliers in China, also supports customized service. Please feel free to buy high quality cooling tower float switch at competitive price from our factory.