SSP-DH Sensor


Compared with FH-Sensor or DH-Sensor ebike speed sensor, the SSP-DH sensor provides a larger range. When assembling these two pieces of magnetic disc, you do not need to remove your crank. The below user manual could help with your DIY experiences.

Additional information


46.54mm * 18.84mm * 13.41mm


Pedal Assist 12 Signal





SSP-DH Sensor
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    User Manual_SSP-DH Speed Sensor_TopEParts

    1. Function Introduce

    SSP-DH dual Hall sensor is a pedal assistant sensor adapted for quickly assembled electric bicycles, which can be mainly used for the signal of power assisting for the bike. Compared with SH-SENSOR, the DH-SENSOR equipped with a DIY disc of 12 magnets, offers higher accuracy and further detection distance which can reach 6mm.

    SSP-DH sensor with dual Hall is more sensitive 2-3 times than that with the single Hall sensor.

    When the pedal turns forwards, the sensor outputs a pulse signal and a red LED indicator flashes on the sensor.

    When the pedal turns back, the sensor outputs a low-level signal, the red LED indicator is not lit. So that users can check any failure of the sensor.

    2. Size, Material & Photos

    SSP-DH user manual

    3. Installation Instruction

    Fix the sensor beside the frame of the bike, and put the disk through the pedal. To get a high sensitivity the magnetic dot of the disk must be faced with the cross mark and adjust angle trestle and sensor.

    SSP-DH Speed Sensor

    The effective sense distance of the speed sensor is 6 mm to the magnet. Install the speed sensor with ribbon tapes.

    4. Specifications & Reliability

    • Rated Voltage: 4.5-6V (DC)
    • Current without brake: <5mA
    • Current with brake: <6mA
    • Lead tension: >20N
    • Corresponding time when brake: <0.001S
    • Corresponding distance: 2-3mm
    • Hall electrical life: >20M times
    • Insulation dry condition: >20M ohm
    • Insulation wet condition: >2M ohm

    5. Connectors & Cables

    All the connecters can be customed by users. Below general setting for pins definition for your reference:

    • Blue: Signal
    • Red: 5V
    • Yellow: GND

    6. Dependability Test

    Test item Test conditions Result
    Tensile tests of the connector >20N, last for 60s OK
    Tensile tests of the cable >30N, last for 60s OK
    Lead to shell insulation No.1 Dry, humidity 80% >20M
    Lead to shell insulation No.2 Spray >20M
    High-temperature test 90±2℃ 5V >2hours OK
    Low-temperature test -20±2℃ 5V >8hours OK
    Vibration test 20Hz 5V 2H OK
    Constant damp 45±2℃ 5V >2hours humidity 90% OK
    Spray 5V >2hours OK

    7. Certification for RoHS & CE

    Meet with the standard of RoHS and CE Report, the waterproof grade is IP65.

    8. Signature the Specs

    This confirmation must be approved by both sides, any one-party modification is invalid.

    After receiving the confirmation from each other, 7 workdays must be signed confirmation, overdue as default, and agreed.


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