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RF Admittance Level Sensor

RF Admittance Level Sensor

The RF Admittance Sensor (RF Admittance Level Transmitter / Switch) is an upgraded version of the capacitive sensor. Utilizing high-frequency RF signals, admittance measurement, and equipotential shielding, it is specifically designed to address level detection in viscous, conductive, fouling-prone, and dusty environments, ensuring false-free operation and maintenance-free performance.

SKU: Beer, milk, oil, metal powder, glue, dust Category: Brand:

Description

Product Introduction

RF admittance level sensor adopts intelligent radio frequency capacitance technology, no mechanical moving parts. It avoids parasitic capacitance interference that troubles traditional capacitive sensors, delivering stable and high-precision level detection.

It can detect liquid, powder and solid media like quartz sand and iron powder, not affected by tank mounting position. With IP67 / IP69K protection, wide temperature range from -40℃ ~ +85℃, optional PNP/NPN output, widely used for material level monitoring in various industrial tanks and silos.

Product Features

  • High measuring accuracy, reading free from tank internal installation position impact
  • Excellent stability: RF admittance technology eliminates parasitic & distributed capacitance interference
  • Wide application range, detects liquid, powder, solid materials regardless of medium density
  • No mechanical components, wear-free long service life
  • IP67 & IP69K protection grade, suitable for harsh industrial environments
  • Wide working temperature: -40℃ ~ +85℃
  • PNP or NPN switch output, NO+NC contact, short-circuit & reverse polarity protection
  • Adjustable delay 0.0~10.0s, response time 0.1s
Technical Specifications
Technical Parameters
Item Specifications
Operating Voltage 12V…30VDC
Reverse Polarity Protection Yes
Current Consumption Typical 25mA, Max 50mA
Start-up Time <2s
Output Logic PNP or NPN
Load Current 20mA MAX.
Short Circuit Protection Yes
Voltage Drop PNP : (+Vs-1.5V)±0.5V, Rload=10KΩ
NPN : (+1.5V)±0.5V, Rload=10KΩ
Leakage Current ±100 μA MAX.
Switch Status Normally Open + Normally Closed NO+NC
Repeat Accuracy ±1mm
Hysteresis ±1mm
Response Time 0.1s
Delay Time 0.0…10.0s (Adjustable)
Ambient Temperature -40…+85℃
Air Humidity <98%RH, Condensation allowed
Storage Temperature -40…+85℃
Protection Class IP67, IP69K (with suitable cable)
Vibration (Sine Wave) 1.6mm P-P(2…25Hz),
4g(25…100Hz), 1 Octave/min

Product Details

RF-Admittance-Level-Sensor4-scaled

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