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    Brushless Rotary Square Drive Torque Sensor | DRFN

    High Accuracy and Maintenance Free, for Speeds up to 12,000RPM
    DRFN Brushless Square Drive RotaryTorque Sensor
    3D
    Typical Lead Time
    8 weeks
    Prices From
    £3,147
    (excl. VAT)
    Buy Online!
    Accelerated delivery available
    Quantity, OEM & educational discounts
    3D CAD models available
    Datasheet 3d ModelFrequently Asked Questions

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    At a Glance

    • Capacities: 0-1Nm to 0-5000Nm
    • ±5Vdc Output
    • Non-Linearity: <±0.15%/Rated Capacity
    • Optional Pulsed Angle Output
    • Max Speed: 7000 to 12,000rpm (depending on capacity)
    • Maintenance Free Thanks to its Non-Contact Technology
    • Ideal for Automotive Industry, Test Benches, Assembly Applications & Pulsed Tools
    • High Accuracy Guaranteed – Uses Proven Strain Gauge Technology
    • Optimum Performance Delivered – Its Integrated Signal Amplifier Reduces Signal Interference  

    Description

    The DRFN series of brushless non-contact torque sensors manufactured by ETH Messtechnik in Germany provide accurate torque measurement in continuously rotating applications at speeds up to 12,000rpm and has a square drive type mechanical connection.

    The DRFN features integral signal conditioning gives a ±5Vdc analogue signal.  A 360 pulses/revolution angle output is optional on all capacities.

    The DRFN brushless square drive torque sensor offers excellent accuracy making it suitable for many manufacturing, assembly and test bench applications.

    Request a quotation from our technical sales team.

    ETH Approved UK Distributor Sticker

    Technical Specifications

    Product Dimensions

    DRFN Brushless Square Drive Torque Sensor Outline Drawing
    Version without Angle Output
    Capacity (Nm)
    Square Drive
    A
    B
    C
    D
    E
    F
    1, 2, 5, 10, 12, 15, 20
    		1⁄4"
    62
    32
    56
    16
    77
    8
    20, 30, 50, 63
    		3⁄8"
    62
    24
    52
    16
    82
    12
    100, 160, 200
    		1⁄2"
    66
    40
    57
    20
    95
    16
    200, 300, 500
    		3⁄4"
    66
    46
    65
    23
    110
    24
    1000, 2000
    1"
    66
    52
    71
    23
    127
    31
    2000, 3000, 4000, 5000
    		11⁄2"
    86
    92
    108
    46
    178
    44
    Version with Angle Output
    Capacity (Nm)
    Square Drive
    A
    B
    C
    D
    E
    F
    1, 2, 5, 10, 12, 15, 20
    		1⁄4"
    66
    32
    51
    16
    82
    9
    20, 30, 50, 63
    		3⁄8"
    66
    40
    59
    20
    90
    12
    100, 160, 200
    		1⁄2"
    66
    40
    59
    20
    97
    16
    200, 300, 500
    		3⁄4"
    71
    55
    74
    27.5
    117
    24
    1000, 2000
    1"
    72
    56
    73
    28
    132
    30.5
    2000, 3000, 4000, 5000
    		11⁄2"
    86
    92
    108
    46
    178
    44

    All dimensions are in mm.

    Downloads

    CAD Model Files

    Our 3D models are provided in STEP format and can be viewed using FreeCAD. Other formats can be provided on request.

    The .zip file below contains a separate model for each product variant.

    Interested in this product? Send us an enquiry...

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      Why Applied Measurements?

      • Suppliers of top quality strain gauge sensors and transducers to every corner of industry - UK and worldwide
      • Over 100 years of expert transducer knowledge
      • Our high quality products all come with a 3 year warranty

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