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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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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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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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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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HNL70-A Submersible Level SensorDrop it in. Measure liquid level. Diffused silicon or ceramic piezoresistive sensor inside. Measures hydrostatic pressure — level = pressure ×
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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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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:
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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
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WEBMar 26, 2022 · An ultrasonic water level sensor works by sending sound waves at a specific frequency (also known as ultrasonic waves) and receiving the reflected wave from the targeted object. The...












