Hongnuo (shenyang) General Machinery Co., Ltd. is one of the most reliable manufacturers and suppliers of rf admittance level switch in China. Welcome to buy high quality rf admittance level switch at competitive price from our factory. We also accept customized orders.
The HNL50-A RF Admittance Level Switch is an industrial-grade sensing device engineered for precise level monitoring and alarm of liquids, slurries, dust, solids, and liquid-liquid interfaces across diverse industrial scenarios. Composed of a sensor unit (measuring probe, shield electrode, ground terminal) and an electronic unit, it operates by detecting admittance changes between the probe and tank wall-with the shield electrode eliminating false signals from material buildup, ensuring accurate switching only when media reaches the set point.
Featuring robust 304/316 stainless steel wetted parts and an aluminum housing, this switch excels in corrosion resistance, adapting to strong corrosive media. It offers exceptional versatility with wide temperature (-20~800℃) and pressure (-0.1~5MPa) ranges, plus Exd IICT6 explosion-proof rating and IP65 protection, making it ideal for chemical, petroleum, food processing, pharmaceutical, and bulk storage industries. With no mechanical moving parts, it boasts low wear, easy installation (thread, flange, clamp connections), and a long service life exceeding 1 million cycles.
Supporting 24VDC/220VAC power supplies and DPDT relay output (5A), the HNL50-A RF Admittance Level Switch delivers adjustable response time (0.2~60s) and high repeatability (<1mm for conductive media, <10mm for insulating media). Customizable measurement ranges (0~3000mm+) cater to various tank sizes, while its immunity to conductivity and temperature fluctuations ensures stable performance in harsh conditions. Whether for high-pressure reactors, corrosive storage tanks, or dust-filled silos, this switch provides reliable, low-maintenance level control to optimize industrial processes and prevent operational risks.
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HNL50-A RF Admittance Switch Parameters |
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Specific Parameters |
Value / Description |
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Measurement Principle |
The HNL50-A RF admittance level switch consists of a sensor unit and an electronic unit. The sensor unit mainly comprises three parts: a measuring probe, a shielding electrode, and a grounding terminal. The material height reflects the change in admittance between the probe and the container wall. When the material reaches the switch's operating point, the electronic unit reacts, driving a relay to activate and output a switch signal. The shielding electrode prevents false triggering signals due to material buildup on the electrodes; a switch control signal is only output when the material has actually reached the set point. |
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Product Type |
Standard (integrated) |
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Measurement Range |
0……250mm,0……300mm,0……350mm,0……400mm, 0……2000mm,0……3000mm,Customization |
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Output Signal |
NPN,PNP,Relay output |
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Power Supply |
24VDC (DC),220VAC (AC) |
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Process Connection |
G3/4 (External Thread) ,G1 (External Thread), |
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Electrical Connection |
Terminal wiring |
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Temperature Range |
Standard type: -20-180℃ |
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Material Of Wetted Parts |
304 Stainless steel |
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Shell Material |
Aluminum |
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Protection Level |
IP65 |
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Protection Level |
Non-explosion-proof type |
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Certificate |
CE certified |
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Ordering Information |
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