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    Reaction Torque Sensor, Flange to Square Drive, 2/10/30/50/100/200 Nm

    5 out of 5 based on 9 reviews | Write a review
    $134.92
    Torque sensor is a strain gauge sensor for static torque measurement or torque wrench calibration. It can measure both forward and reverse torque. Static torque sensor has one end of flange and the other end of square drive. Reaction torque sensors have a capacity range of 2/10/30/50/100/200 Nm.
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    SKU: ATO-TQS-S03
    30-day Returns
    Free Shipping
    Delivery date: 6-12 days

    Torque sensors have capacity range from 2 Nm, 5 Nm, 10 Nm, 20 Nm, 30 Nm, 50 Nm, 100 Nm to 2000Nm. Torque sensor capacity can be customized according to customer requirements.
    After purchasing one ATO torque sensor, you can buy a special digital panel meter to obtain readings directly, or buy a transmitter to output standard signal to PLC, DCS and other systems. Customized output signal is 0~5V, 0~10V, 0~±10V, or 4-20mA.

    Specification:

    Model ATO-TQS-DYJN-103
    Shipping weight 1.5kg
    Capacity range * 0-2000 Nm (Contact us for your specific capacity)
    Sensitivity 1.0-2.0mV/V
    Accuracy 0.3%FS
    Zero balance ±2%FS
    Non-linearity 0.2%FS
    Hysteresis 0.05%FS
    Repeatability 0.05%FS
    Creep 0.05%FS/30min
    Temperature drift on zero <0.05%F.S/10℃
    Temperature effect on output <0.05%F.S/10℃
    Operating temperature -20℃~+80℃
    Humidity 0~90%RH
    Impedance 350Ω
    Insulation resistance ≥5000MΩ/100VDC
    Stability 0.3%FS/year
    Safety overload 120%F.S
    Ultimate overload 150%F.S
    Excitation voltage DC 5-15V
    Material Alloy steel
    Protection class IP65
    Cable length 3m (Φ3mm)
    Wiring EXC+: Red, EXC-: Black, SIG+: Green, SIG-: White

    Reaction torque sensor flange to square drive dimension:

    Reaction torque sensor flange to square drive 2-200 Nm dimension

    Dimension (mm)

    Capacity A H1 H2 H3 Φ1 Φ2 Φ3 Φ
    2-200 Nm 12.5  55 30 15 59 32 45 6.5 
    300-800 Nm 25.4 75 40 24 68 40 55 8.5
    1000-2000 Nm 25.4 85 44 24 98 56 80 13

    Tips: Application of torque sensor in Lift Bridge

    1. Vertical Lift Bridge
      The mechanical rework and painting of the vertical lift bridge will probably change the weight of the mobile span. At this moment, in order to ensure the normal and safe operation in the later period, checking the balance between the span and weight is quite essential. How to check the entire balance of the balance weight cable system? A big cable can be used to connect the span with the counter weight through the pulley driven by the motor on each corner of the bridge. The torque is measured on the four drive shafts at the same time, so as to confirm if the four corners have any imbalance. Through the torque sensor and the remote telemeter connecting to each drive shaft, the torque data will be recorded in lifting and lowering the span. Through comparing the lifting torque and lowering torque, and correcting the friction, it can be proved that the movable span is slightly heavier than the combined counter weight (required condition), and all four corners are in the acceptable balance scope.
    2. Two-leaf open bridge
      The Park Street Bridge in Alameda County, California is a four-lane, two-leaf open bridge spanning 372 feet. It is located between City of Alameda and Oakland.
      When the rework structure changes the weight of the original elevator, the engineers of Alameda County need to determine the appropriate counterweight to prevent the elevator drive motor from overloading. By measuring the torque on the main pinion shaft used to lift the bridge, the drive load can be easily determined and optimized by adjusting the counterweight on each span. The strain gauge of the torque sensor is connected with the pinion drive shaft and two wireless torque telemetry systems are used to simultaneously transmit strain gauge signals from the two pinions as the shaft rotates.
      Alameda County has many movable bridges. Because of repair or other mechanical changes, they are occasionally in need of adjustment. Using the wireless torque sensor remote equipment can quickly and accurately conduct torque and balance measurement, eliminate the suspected and potential problems of motor driver overload.
    Existing reviews of Reaction Torque Sensor, Flange to Square Drive, 2/10/30/50/100/200 Nm
    Reaction Torque Sensor
    Do your torque sensors require a twist to the sensor or compression? 4-20mA and I need to measure torque from 0.1Nm to 10 Nm.
    From: Levis | Date: 05/02/2024
    Was this review helpful? Yes No (0/0)
    ATO Responded
    This torque sensor is used to measure rotational torque. The pressure can withstand a certain range. Different torque ranges can withstand different pressures, but this pressure can not be measured.
    Question about limits
    Could you also give us these limits for the 30, 20 and 10 Nm versions of this sensor ATO-TQS-DYJN-103?
    From: Thomas | Date: 05/09/2023
    Was this review helpful? Yes No (0/0)
    The side load rating for sensors
    The ideal measurement range is 50 N-m but we might size up to survive higher loads. The side loads could get as high as 1500 N.
    Could you give the side load rating for sensors with measurement ranges of 50, 100, and 200 N-m? Also, will varying side loads affect the torque measurement?
    From: vikia | Date: 28/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    In different measuring ranges, the axial and radial loads of the sensor are as follows:
    50Nm, axial force ≤120KG, radial force ≤50KG
    100Nm, axial force ≤270KG, radial force ≤50KG
    200Nm, axial force ≤390KG, radial force ≤80KG.
    As long as the side load is within this range, it will not affect the output accuracy of the sensor.
    A few questions regarding the torque sensor
    I have a few additional questions regarding the reaction torque sensor.
    We plan to install sensors at the end of a shaft that will experience significant side loading in addition to torsional loading.
    Is the sensor's ability to measure torque robust against changing radial and axial forces?
    Is there a rating on radial or axial load for the sensor survivability?
    From: natalia | Date: 28/08/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. What is the measuring range of the unit you need?
    For different measuring ranges, the radial load and axial load are different.
    2. Could you please tell us what the range of side load variation that the torque sensor is subjected to?
    Transmitter Options
    Just curious if this sensor is compatible with more than just the ATO-S-LCTR-DY610 transmitter?

    I'm looking at the ATO-LCTR-OA
    From: David | Date: 07/07/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, the sensor is compatible with the ATO-LCTR-OA transmitter.
    Is there any chance we can get a plug-and-play amplifier/Transmitter for the two sensors?
    We have purchased two Reaction torque sensors and a Load Cell amplifier, but this wasn't able to read the values in a preferred way either. Is there any chance we can get a plug-and-play amplifier/Transmitter for the two sensors we have that will have:
    1. zero calibration at startup.
    2. It shows the value of the Torque with at least 2 decimals after the comma.
    3. Does not need to connect to external PLC but shows the accurate reading of the torque value on the digital display.
    4. We need to measure the 1.25-1.75 Nm range with high precision.
    5. Optionally if it is possible that it can hold the maximum recorded measurement.
    From: Drak | Date: 27/03/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Regarding zero point calibration, you can press and hold the third key, counting the third key from left to right.
    2. Recalibration will allow it to display the value of Torque with at least 2 decimal places after the comma.
    3. Sorry, ATO-S-LCTR-DY610 can Not hold the maximum recorded measurements.
    Does this sensor use a strain gauge as the measurement element?
    Thank you for your reply. So just to confirm, even if the rotation is a small amount (only a few degrees) and slow we will still be able to measure the torque? Does this sensor use a strain gauge as the measurement element?
    From: Ronda | Date: 06/03/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. Our rotary torque sensor even if the rotation is a small amount (only a few degrees) and slow we will still be able to measure the torque, both dynamic torque and static torque can be measured.
    2. This rotary torque sensor uses a strain gauge as the measurement element.
    I am looking forward to buying 4 torque sensors.
    I am looking forward to buying 4 ATO torque sensors (0-5Nm), output  /-5V, and looking at the user manual. On the last page, I have pin 7 (RPM ) and 8 (RPM-) to read the machine speed in RPM. Could you please tell me what the voltage levels in these pins are? How should I read these pins with my microcontroller to compute the machine speed? Thank you!
    From: Jumaco | Date: 18/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. The voltage level in these pins is 5V.
    2. The single-chip microcomputer can use counters or external interrupts to read speed signals.
    We recommend that the single-chip microcomputer add optical coupling isolation to reduce interference.
    Accessories for reaction torque sensors
    If I ordered your reaction torque sensor, dual flange, will you send us its 5 pin circular connector free of charge?
    From: Macrae | Date: 23/08/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Yes, we do.
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