Sensors
Mini Float Level Sensors or Switches

The Mini Float Level Switch equipped with one magnet moves up and down with the fluid level and actuates with its magnetic field a hermetically sealed reed switch embedded in the stem. The switch can be provided as normally open, normally close or change contacts.

The level switch can actuate visual or acoustic alarms or controls. The switch can be used on water conditioning equipment or hydraulic oil containers.

All lead wires under 120 Celsius with UL or CSA.

Item No. Float (mm) Material Temperature Suitable S.G.
RF-300 Dia 28x28 SUS 304 -10 to 120°C 0.8
RF-400 Dia 41x38 SUS 304 -10 to 120°C 0.7
RF-450 Dia 45x55 SUS 304 -10 to 120°C 0.65
RF-500 Dia 52x52 SUS 304 -10 to 120°C 0.55
RF-100 Dia 75x108 SUS 304 -10 to 120°C 0.5
RF-DH N/A P.P. -20 to 80°C 0.7 to 0.75
RF-OV N/A P.P. -20 to 80°C 0.6 to 0.8
 
Ultrasonic Sensors

Features and Applications:

  • Compact and light weight
  • High sensitivity and sound pressure
  • Less power consumption
  • High reliability


Applications: Burglar alarms, Range finders, Automatic doors, Remote Controls, and more! 

Specification:

Part No. MA40S4S MA40S4R
Construction Open Struct. Open Struct.
Using Method Transmitter Receiver
Nominal Frquency 40kHz 40kHz
S.P.L. 120dB typ. (0db=0.02mPa)
Sensitivity -63dB typ. (0db=10V/Pa)
Directivity 80- (typ.) 80- (typ.)
Cap. 2550pF 2550pF
Min. Using Temp. Range -40°C -40°C
Max. Using Temp. Range 85°C 85°C
Min. Detectable Range 0.2m 0.2m
Max. Detectable Range 4mm 4mm
Resolution 9mm 9mm
Max. Input Votage 20Vp-p Continuous Signal

NOTES:

1. Pay attention to the mounting position as these sensors have directivity. 
2. Please avoid applying DC-bias by connecting DC blocking capacitor or some other way because, otherwise, the component may be damaged. 
3. Do not use in water.

We also carry the Photo Discretes and Photocell (LDR).

 
 
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