Product Category

Pipe-mounting Liquid Level Photomicrosensor with Built-in Amplifier


Liquid Level Photomicrosensor with operation mode and sensitivity selectors for easy application.



Applicable pipe

Any 6- to 13-mm-diameter pipe with a wall thickness of 1 mm that is made of FEP or any
 other material as transparent as FEP.

Sensing object

Liquids in pipes (High-viscosity liquids or liquids with floating materials may not be detected.)

Light source

GaAs infrared LED with a peak wavelength of 940 nm


Light indicator GaP (Red LED: Peak wavelength of 700 nm)

Supply voltage

12 to 24 VDC ±10%, ripple (p-p): 5% max.

Current consumption

Average: 30 mA max., Peak: 80 mA max.

Control output

NPN open collector:
 Load power supply voltage: 5 to 24 VDC
 Load current: 100 mA max.
 OFF current: 0.5 mA max.
 100 mA load current with a residual voltage of 0.8 V max.
 40 mA load current with a residual voltage of 0.4 V max.

Ambient illumination

3,000 lx max. with incandescent light or sunlight on the surface of the receiver

Ambient temperature

Operating: - 10 to +55 ° C
 Storage: - 25 to +65 ° C (with no icing or condensation)

Ambient humidity

Operating: 5% to 85%
 Storage: 5% to 95% (with no condensation)

Vibration resistance

Destruction: 10 to 500 Hz, 1.0-mm single amplitude or 150 m/s2 in X, Y, and Z directions
 3 times and for 11 min each

Shock resistance

Destruction: 500 m/s2 for 3 times each in X, Y, and Z directions

Degree of protection

IEC 60529 IP50

Connecting method

Pre-wired (Standard length: 1 m)

Weight (packed state)

Approx. 55 g






Support belt (2), slip protection tube (2), Instruction Manual