Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor - SD501201

  •  Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor
  •  Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor
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• Immune to target run out
• Separate digital outputs for speed and direction
• From near zero speed up to 15 kHz sensing capability
• Plastic flange-mount sensor rated to 125 ⁰C
• Compatible with unregulated power supply
• RoHS compliant
• IP67
• Typical air gap of 1.5 mm (0.06”)

  • Model Number: SD501201
  • Data Sheet: Date Sheet File
Quantity:
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Product Specification

SD501201 Sensors
Circuit protected, flange mount Hall Effect gear tooth speed and direction sensor

SD501201 Gear Tooth Speed and Direction Sensor Description
The SD501201 has two Hall Effect sensors; one detects speed and the other detects direction of movement of gear teeth. The outputs are open collector transistors. Each Hall Effect sensor provides one square wave pulse output for each tooth. The Speed output goes low (ON) when detecting the leading edge of a tooth and high (OFF) on the trailing edge of the tooth when run against a standard target (see diagram). The Direction output goes low (ON) when detecting the leading edge of a tooth and high (OFF) at the trailing edge of the tooth. When the gear is rotating clockwise (as seen in diagram), the Direction output will lag the Speed output. When the gear is rotating counterclockwise (as seen in diagram), the Direction output leads the Speed output. An external pull-up resistor is required.

SD501201 Gear Tooth Speed and Direction Sensor Features
• Immune to target run out
• Separate digital outputs for speed and direction
• From near zero speed up to 15 kHz sensing capability
• Plastic flange-mount sensor rated to 125 ⁰C
• Compatible with unregulated power supply
• RoHS compliant
• IP67
• Typical air gap of 1.5 mm (0.06")*

SD501201 Gear Tooth Speed and Direction Sensor Typical Applications
• Wheel speed and direction
• Hoist speed and direction
• Transmission speed and direction
• Industrial feedback and control

SD501201 Gear Tooth Speed and Direction Sensor Environmental Specifications

Vibration
Sinusoidal, 3.3 g max from 20 Hz to 1 kHz
Maximum Speed Detection
15 kHz
Operating Temperature
-40 ⁰C to 125 ⁰C (-40 ⁰F to 257 ⁰F)
Storage Temperature
-40 ⁰C to 125 ⁰C (-40 ⁰F to 257 ⁰F)
Ingress Protection
IP67

SD501201 Gear Tooth Speed and Direction Sensor Electrical Specifications
Operating Supply Voltage
5 to 24 VDC
Maximum Input Voltage
30 VDC
Maximum Reverse Voltage
30 VDC
Supply Current
8 mA typ., 12 mA max                                         
Output Sink Current
25 mA max
Typical Operating Time
5 µs
Recommended Pull-Up Resistor
See chart

SD501201 Gear Tooth Speed and Direction Sensor Mechanical Specifications
Housing Material
Glass Reinforced Thermoplastic                                                           
Maximum Installation Torque Limit
5.65 Nm (50 in lb) on threads
Operating Air Gap / Sensing Distance*
* With recommended target type; see drawing
1.5 mm (0.06")
Sensor Orientation
Sensitive; see drawing

SD501201 Gear Tooth Speed and Direction Sensor Products
Part Number
Connector**
SD501201
Delphi Metri-Pak 150 
** Mates to Delphi 12162833 connector, 12124075 terminal

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