8661 Sensore di coppia preciso a singola e doppia scala

Range di misura da 0 ... 0.02 N·m fino a 0 ... 1000 N·m, precisione ≤ ±0,05% F.S., indicatori luminosi per lo stato operativo del sensore, segnale d'uscita  0 ... ±10 V (opzionale 0 ... ±5 V o USB), misura dell'angolo e velocità con risoluzione fino a 2000 impulsi (opzionale), ottimo rapporto qualità-prezzo

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      • Features

        • Range di misura da 0 ...0.02 N·m a 0 ... ± 1000 N·m
        • Precisione ≤ ± 0.05 % F.S.
        • Indicatori luminosi per lo stato operativo del sensore
        • Convertitore D/A a 16 bit con regolazione digitale
        • Segnale d'uscita 0 ... ±10 V (opzionale 0 ... ± 5 V o USB)
        • Misura angolare/velocità con risoluzione da 2000 impulsi (opzionale)
        • Ottimo rapporto qualità prezzo
      • Product data

        Model 8661
        Principle Rotating
        Measuring range

        0 … ± 0.02 N·m
        0 … ± 0.05 N·m
        0 … ± 0.1 N·m
        0 … ± 0.2 N·m
        0 … ± 0.5 N·m
        0 … ± 1 N·m
        0 … ± 2 N·m
        0 … ± 5 N·m
        0 … ± 10 N·m
        0 … ± 20 N·m
        0 … ± 50 N·m
        0 … ± 100 N·m
        0 … ± 200 N·m
        0 … ± 500 N·m
        0 … ± 1000 N·m

        Signal output

        0 ... ±10 V
        0 ... ±5 V


        No dual-range

        Mechanical connection

        Round shaft 

        Electrical connection

        • 12 pins plug connection 
        • USB
        Integrated speed measurement Option
        (TTL output signal with 400 or 1024 increments)
        Increments on encoder disk

        No encoder disk

        Integrated angle measurement Option
        (TTL output signal with 400 or 1024 increments; angle resolution 0.225° or 0.09° with four-edge decoding)
        Multiple range Ratio 1:4, 1:5;
        1:10 for measuring range 0 … 5 N·m
        Protection class IP40
        Range of operating temperature 0 ... +60 °C
        Max. rotary speed Depending on measuring range 7 000 - 25 000 1/min
        Signal transmission non-contact
        Specific characteristics

        • Low linearity deviation of ≤ ± 0.05 % F.S.
        • Intelligent operating state indicator
        • Speed and angle measurement with resolution of up to 2000 increments (option)
        • High performance software (option USB) including mechanical power computation, multichannel operation, freely editable mathematical auxiliary channel
        • Excellent price-performance ratio
      • Description

        The 8661 precision torque sensor is the ideal choice for reliable measurement of static and dynamic clockwise and counter-clockwise torques. Thanks to its high measurement quality and low linearity error, the sensor is equally at home in quality control or research & development. Designed for non-contact operation and zero-maintenance, the 8661 is also ideally suited to the production environment, whether on shift-based production lines, test benches or end-of-line test systems. The 8661 torque sensor is the specialist device for constant torque measurements during continuous operation and for test-bench measurements of holding, friction, break-away or tightening torques.

        An optional built-in incremental encoder disk with up to 2000 increments makes the sensor the perfect alternative where space or budget rule out an additional angle or speed sensor. For mobile use and for instant digital access to measurement data, the 8661 torque sensor is also available with a USB interface. A laptop or PC running the DigiVision PC software can read, visualize and archive the measurement data. System integration, for instance into LabView, is easy thanks to a driver package available free of charge.

        ► Test setups for precision mechanics
        ► Haptics testing of actuator elements
        ► Engine test benches and power measurement
        ► Biomechanical product testing
        ► Measurement of bearing friction torques
        ► Suitable for use in all types of test bench

        The 8661 torque sensor essentially consists of three blocks: the rotor, the housing (containing the stator) and the output electronics. The rotor is composed of several parts and contains the actual measuring device - a spring element. This spring element is designed to deform elastically under an applied torque. This results in torsion, which in turn pro-duces a very small amount of strain in the material of the measuring element. Within certain limits, this strain is linear and proportional to the applied torque. It can be measured using strain gauges, which are connected in a Wheatstone bridge circuit. A microprocessor conditions the signal from the Wheatstone bridge and transfers it to the stator. The rotor is linked to the stator via two ball-bearings, and signal transfer is contactless. The stator contains the electronics needed to supply the rotor with the required operating voltage by inductive and contactless means. In the opposite direction, it receives the optically transmitted, digitized torque signal and routes this signal to the output electronics. Here it is converted into an analog 0…± 10 V output signal, which is output via the connector. Alternatively, the sensor is available with a USB port. The 8661 torque sensor can optionally be fitted with an incremental encoder disk for measuring the speed and angle. This disk has 2000 increments, allowing angular resolutions of up to 0.045° by means of four-edge decoding. Three LEDs indicate the sensor operating status for simple diagnostics. Speeds of up to 25,000 min-1 can be measured depending on the selected measurement range and optional incremental encoder disk.

      • Data Sheet & Downloads

        Data sheet
        Operation manual
        Further info
      • Accessories

        pdf Mounting block 8661-Z001
        pdf Mounting block 8661-Z002
        pdf Mounting block 8661-Z003
        pdf Mounting block 8661-Z004
        pdf Metal bellow coupling 8695
        pdf Connecting cable 99539
        pdf Connecting cable 99540
      • Videos

        Please accept marketing-cookies to watch this video.

        Torque Sensors: Made in Germany - Made by burster

        Youtube channel Burster Youtube Channel

      • Anwendungsbeispiele

        Determining the force distribution in flyovers

        miniature pressure transducer model 8230

        Dual-range model for measuring start-up and continuous operation characteristics

        of geared motors

        Measurement of mechanical values

        at a completely automated motor vehicle test bed

        Measuring pressing forces in machine tools

        miniature ring load cell

        Measuring the friction torque

        in greased ball bearings

        Motor testing

        fast dynamic response, low torque, reliable measurement

        Testing motor starters

        Testing the operation

        of electric-bike drives

        Torque measurements

        on an industrial fan

        Torque measurements

        using a dual-range sensor in a test setup

        Torque measurements

        on steering-drive components

        Torque monitoring

        for screw connections in titanium dental implants

        Torque/angle measurement

        on vehicle dashboard controls

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      24035 Curno

      Fon: +39/035/618120
      Fax: +39 035618250


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