Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor - SD101201

• Separate digital outputs for speed and direction
• From near zero speed up to 15 kHz sensing capability
• Vibration: Sinusoidal, 3.3 g max from 20 Hz to 1 kHz
• Operating Temperature: -40 to 125 ⁰C (-40 to 257 ⁰F)
• Plastic flange-mount sensor rated to 125 ⁰C
• RoHS compliant
• IP67
• Typical air gap of 1.5 mm (0.06”)

  • Model Number: SD101201
  • Data Sheet: Date Sheet File
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  •  Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor
  •  Flange Mount Hall Effect Gear Tooth Speed and Direction Sensor
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Product Specification

SD101201 Gear Tooth Speed and Direction Sensors
Circuit protected, flange mount Hall Effect gear tooth speed and direction sensor

SD101201 Gear Tooth Speed and Direction Sensor Description
The SD101201 has two Hall Effect sensors; one detects speed and the other detects direction of movement of gear teeth. The outputs are open collector transistors. The Speed output goes low (ON) when sensing the leading edge of a tooth and high (OFF) at the trailing edge of the tooth when run against a standard target (see diagram). The Direction output goes low (ON) for clockwise rotation and high (OFF) for counterclockwise rotation (as seen in the diagram); it is latched in that state as long as there is movement detected. The state of the Direction output always leads the rising edge of the Speed output – correct Direction sensing will occur faster after start-up than correct Speed sensing. An external pull-up resistor is required.

SD101201 Gear Tooth Speed and Direction Sensor Features
• 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
• RoHS compliant
• IP67
• Typical air gap of 1.5 mm (0.06”)*

SD101201 Gear Tooth Speed and Direction Sensor Typical Applications
• Wheel speed and direction
• Hoist speed and direction
• Transmission speed and direction
• Industrial feedback and control

SD101201 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

SD101201 Gear Tooth Speed and Direction Sensor Electrical Specifications
Operating Supply Voltage
4.75 to 24 VDC                                                    
Maximum Input Voltage
30 VDC
Maximum Reverse Voltage
30 VDC
Supply Current
20 mA max
Output Sink Current
20 mA max
Typical Operating Time
5 µs
Recommended Pull-Up Resistor
See chart

SD101201 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

SD101201 Gear Tooth Speed and Direction Sensor Products
Part Number
Connector**
SD101201
Delphi Metri-Pak 150   
** Mates to Delphi 12162833 connector, 12124075 terminal

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