• High Performance Liquid Level Sensors
  • High Performance Liquid Level Sensors
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High Performance Liquid Level Sensors

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  • Price

    Price on request   ≥1piece

  • Model Number

    LLHPA650L1

  • Data Sheet

  • Package

    Original packaging

  • Specs

    LLHPA650L1

  • Quantity

    - +

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Product Description

LLHPA650L1 High Performance Liquid Level Switches General Description
The LLHP range of liquid level switches offer larger mounting threads and robust stainless steel housings that can survive in aggressive environments.

The microcontroller based sensor is solid state, incorporating an infra-red LED and phototransistor which are optically coupled by the tip when the sensor is in air. When the sensing tip is immersed in liquid, the infra-red light escapes making the output change state. The sensor can detect the presence or absence of almost any liquid type; oil or water based. It is insensitive to ambient light and is not affected by foam when in air or by small bubbles when in liquid.


LLHPA650L1 High Performance Liquid Level Switches Features
• Liquid level switches that can detect almost any liquid type; oil or water based
• Large load output; high switching currents
• Choice of threads and terminal connections


LLHPA650L1 High Performance Liquid Level Switches Benefits

• Robust stainless steel housing
• Suitable for use within aggressive environments
• Larger mounting threads; standard or custom


LLHPA650L1 High Performance Liquid Level Switches Technical Specifications

Supply voltage (Vs)
 10V DC to 45V DC (±5%)
Supply current (ls)
 35mA max. (Vs = 45V DC)
Output sink and source current (lout)
 800mA max. (45V DC)
Operating temperatures
 Standard: -25°C to +80°C
Storage temperatures
 Standard: -30°C to +85°C
Housing material
 Stainless Steel with Polysulfone tip
Sensor termination
 Various
Output Type / Logic
 N-Type Low in Air
Housing Type
 Stainless Steel 1/2" BSP
Termination Cable
 1.0m (IP67)
Internal Seal Washer
 Nitrile rubber


LLHPA650L1 High Performance Liquid Level Switches Output Values

Output Voltage (Vout):
 lout = 800mA
Vs = 10 ~ 45V DC
Output Low
 Vout = 0V + 0.7V max

LLHP Series High Performance Liquid Level Switches Order Information
Generate your specific part number using the convention shown below. Use only those letters and numbers that correspond to the sensor and output options you require — omit those you do not.