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THE SPEED AND DIRECTION
OF TECHNOLOGY
 
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Products / Digital Speed Limit Switch (HW)

Non-contact magnetic sensors that measure the distortion of magnetic fields and thus provide a precise measurement of a specified speed range by switching the output from logic high to logic low at a minimum speed and from logic low to logic high at the maximum speed that is required for your application.

 
 
Product Specification Range
A. Electrical Performance
1. Supply Voltage : (Vcc) Standard 4.5 VDC to 24 VDC.
Optional : 5.5VDC to 36VDC.
2. Target : Ferrous material, single tooth or slot To 48 D.P
3. Airgap : 0.005” To 0.120”(0.126mm to 3.045mm)
4. Speed Range : 0- 15KHZ
Optional: 0 – 20KHZ
5. Output Signal : NPN Open collector with 4.7k ohms internal pull-up Resistor (Digital).
Optional : PNP (Sourcing) output, No pull-up resistor. 
6. Output Voltage : Low= 400mV Max
High= Follows Vcc
Optional : Low= 400 mV Max
High= 5 VDC
7. Output Current :
(I sink)
20mA continuous operation
Optional : 50mA
8. Output Duty Cycle : 50% ±15% with equal size gear teeth.
9. Protection : Reverse Polarity.
Optional : Input Transient Protection, Short circuit protection.
10. Operating Temperature : -4° F to +221° F (-20°C to 105°C)
Optional : -40° F to +302° F (-40°C to 150°C)
 
B. Application
Automotive Engine Speed Measurement
Dynamometer
Crankshaft
GearBox Speed Sensor
Electric speedometer
Flywheel speed sensing
Aerospace  
Electric Power Generator Motor Speed Measurement
Turbine Flow Measurement
Exercise Equipments Motor speed  limit switch
Flow Meter  
Locomotive Crank shaft
Machinery  
Tachometer
Off-Highway  
 
C. Features and Benefits
  • True Zero Speed Sensing.
• Reverse polarity protected 
• Wide Speed Range
• Customized for most environment
• Not sensitive to the orientation
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