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    Rotary Torque Sensor, Non-Contact, Shaft to Shaft, 0.05-300000 Nm

    5 out of 5 based on 8 reviews | Write a review
    Rotary torque sensor is a non-contact torque sensor with two shafts and shaft keys, a male plug and a mounting base. Shaft torque sensors have a capacity range from 10 Nm/50 Nm/2000 Nm/10000 Nm to 300000 Nm. It can be applied to torque/rotary speed/power measurement of AC/DC motor, gear motor and diesel generator for a long-term.
    SKU: ATO-TQS-D01
    Free Shipping Worldwide
    Delivery date: 6-12 days

    Rotary torque sensors have capacity range from 0.05 Nm, 0.2 Nm, 5 Nm, 20 Nm, 100 Nm, 200 Nm, 300 Nm, 500 Nm, 1000 Nm, 2000 Nm, 5000 Nm, 10000 Nm, 20000 Nm, 50000 Nm to 300000 Nm. Torque sensor capacity can be customized according to customer requirements.
    After purchasing one ATO rotary torque sensor, you can buy a special torque meter ATO-DPM-RTS5D to obtain readings directly, or buy a F/I or F/V transmitter in drop-down list to transmit frequency signal to 4-20mA/1-5V signal.


    Model ATO-TQS-DYN-210
    Shipping weight 5~1000kg
    Capacity range * 10 Nm ~ 0-300000 Nm
    Accuracy * ±0.1%FS (for capacity<1000 Nm), ±0.2%FS (for capacity>1000 Nm), ±0.5%F.S (for all capacity)
    Power supply * ±15V DC (≥50mA), 24V DC
    Output signal * 5-15kHz, 4-20mA (add external F/I transmitter), 1-5V (add external F/V transmitter)
    Max. speed ≤15000rpm
    Maximum torsion angle 2.60x10rad(0.149°)
    Speed range 0-3000rpm, 0-6000rpm, 0-8000rpm, maximum speed 10000rpm
    Speed signal 120/60/10 pulse/turn (measuring range>10000 Nm, it will reach 180 pulse/turn)
    Temperature drift on zero 0.01%F.S/10℃
    Operating temperature -10℃~+50℃
    Humidity 0~85%RH
    Torsion constant 3.85x10Nm/rad
    Response time 1kHz
    Insulation resistance 1000MΩ
    Inertia moment 0.38 Kgcm
    Stability 0.3%FS/year
    Zero output ±2%F.S.
    Safety overload 150%F.S
    Breaking load 200%F.S
    Bridge voltage DC 10V
    Material Alloy steel
    Protection class IP65
    Electrical connection circular connector
    Wiring Red: V+, Blue: V-, Green: Torque signal, Yellow: Speed signal, Black: GND
    Cable length 3m (Φ5mm), or other customizable lengths
    Ultimate cable tension 98N

    Rotary torque sensor dimension:

    Rotary torque sensor dimension

    Capacity Dimension (mm)
    Φdj6 ΦD A L L1 H h E E1 B B1 C F S Speed (rpm) C Key size (b*l1*m)
    10, 20, 30, 40, 50, 100 Nm 18 85 150 224 32 123 58 72 95 62 90 6.5 112 10 6000 6*32*6*1
    200, 300 Nm 28 95 152 242 42 133 63 72 95 62 90 6.5 121 10 5000 8*42*7*1
    500, 700 Nm 38 105 154 272 56 144 69 72 95 62 90 6.5 136 10 4000 10*56*8*2
    1000 Nm 48 115 156 328 82 150 70 72 95 82 110 8.5 165 12 3000 14*82*9*2
    2000, 3000 Nm 65 132 165 385 105 172 80 72 95 82 110 8.5 192.5 12 2500 18*105*11*2
    5000, 7000 Nm 75 146 180 396 105 187 89 72 95 82 110 8.5 210 12 2000 20*105*12*2
    10000, 20000 Nm 100 182 180 447 130 244 122 80 110 112 140 10.5 230 15 2000 28*130*16*2
    50000 Nm 165 250 185 700 240 331 180 120 190 150 190 12.5 350 15 1900 40*240*22*2
    100000 Nm 210 330 200 820 300 410 210 160 200 250 290 12.5 410 15 1700 50*300*28*2
    150000 Nm 235 350 250 900 315 420 220 220 260 250 290 17 450 15 1200 56*315*32*2
    200000 Nm 255 360 210 900 320 446 140 220 260 250 290 17 450 15 1100 56*320*32*2
    300000 Nm 295 416 224 900 325 480 250 220 270 168 300 17 450 20 1000 70*325*36*2

    Rotary torque sensor installation:
    Rotary torque sensor horizontal installation and vertical installation
    Tips: How to install a rotary torque sensor?
    The steps of torque sensor installation:

    1. According to the connection form of the shaft and the length of the rotary torque sensor, determine the distance between the prime mover and the load. Adjust the distance between the axes of the prime motor and the load relative to the base level, enable the axes concentricity to be less than Φ0.03 mm. Fix the original motor and load on the base level.
    2. Install the couplings on the shafts respectively.
    3. Adjust the distance between the torque sensor and the base level, enable the concentricity of their axis (torque sensor, motor and load) to be less than Φ0.03 mm, and fix the torque sensor on the base level.
    4. Tighten the coupling and complete the installation.

    The requirements of torque sensor installation:

    1. Power equipment, torque sensor, and load equipment should be installed on a stable foundation to avoid excessive vibration, otherwise, data instability, measurement accuracy reduction, and even damage to the dynamic torque sensor will probably occur.
    2. Choose the elastic pin coupling or rigid coupling for connection. When the vibration is serious or the concentricity is greater than 0.05mm, it is recommended to use a flexible coupling and install a bearing support at the left and right ends of the torque sensor.
    3. Adjust the centre height and concentricity of the power equipment, load, and torque sensor separately, which is required to be lower than 0.05mm, and then fix.

    Matters needing attention:

    1. The torque sensor should be installed in an environment where the ambient temperature is 0 ℃ ~ 60 ℃, the relative humidity is less than 90%, and there is no flammable or explosive product.
    2. It is not suggested to be installed in an environment with strong electromagnetic interference.
    Existing reviews of Rotary Torque Sensor, Non-Contact, Shaft to Shaft, 0.05-300000 Nm
    Views on rotary torque sensor
    I am using your rotary torque sensor, I connected the sensor with the information you kindly send me, I am reading mv, but my controller needs 0 to 5V. What is your thinking about it?
    From: Avid | Date: 17/06/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Use our digital load cell amplifier. SKU: ATO-LCTR-OAR so can get 0-5V signal.
    Questions about rotary torque sensor
    I am using your rotary torque sensor. I connected the sensor with the information you kindly sent me. I am reading mV, but my controller needs 0 to 5V. What are you thinking about it?
    From: Magw | Date: 14/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Use our digital load cell amplifier >>> SKU: ATO-LCTR-OAR. So I can get a 0-5V signal.
    Torque sensor parameters and performance issues
    I want to buy 5 of your ATO torque sensors, output  /-5V. When I checked its user manual, I found that there are pins 7 (RPM ) and 8 (RPM-) on the last page to read the machine speed in RPM.
    1. What is the voltage level of these pins?
    2. How to use my microcontroller to read these pins to calculate the machine speed?
    From: Drdoug | Date: 22/11/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. The voltage level of these pins is 5V.
    2. The single-chip microcomputer can use the counter or external interrupt to read the speed signal. It is recommended that the single-chip microcomputer increase optical coupling isolation to reduce interference.
    Hello, I would like to consult your rotary torque sensor.
    Hello, I am planning to use your rotary torque sensor in line with a stepper motor to measure torque applied to electrical connectors. I have noticed that some similar test bench layouts utilize a brake or clutch in conjunction with the transducer. Can you explain to me why this might be necessary? The torque we are applying is small (Max 7-8 n*m). We are also using a stepper motor to reverse directions during the testing process. Do you think it would be necessary to use an eddy current brake or clutch with this rotary torque transducer to obtain accurate and consistent measurements or do you think the use of a stepper motor may eliminate the need for the use of a brake or clutch? Also, can you recommend shaft couplings for this type of application? I couldn't find much information on the use of clutches and brakes with torque sensors/transducers. Any help will be greatly appreciated. Thanks.
    From: Tracy | Date: 13/12/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    If the rotary torque sensor is only used to measure the torque of the electrical connector, there is no need to use a brake or clutch in combination with the sensor. Generally, the brake is used to test the driving torque of the motor.
    I want to know about your torque sensor.
    Can your torque sensor be setup such that one end is connected to the motor while the other end is connected to nothing? What sort of reading will I get if this is the case?
    From: Munge | Date: 17/12/2021
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Unfortunately, it can't be connected like this, because if the other end is not connected, there will be no data to compare between the input and output, and the reading will be abnormal.
    Is rotary torque sensor minimum 0.03% or 0.3%?
    Thanks. Did you mean to say minimum 0.03% or 0.3%?
    I had the option to select 0.1% on the website.
    From: Betty | Date: 06/04/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    The range of 500Nm and below is 0.1%, and the range of more than 500Nm is 0.3%.
    Can you customize this torque sensor capacity range?
    Our requirement is up to 3400Nm. If we go with the 3000Nm unit, and exceed the torque on the shaft for short duration, will we damage the sensor?
    Is it possible to customize the unit to have a capacity range of ~5 to 3500Nm with accuracy of ±0.02% of F.S.?
    From: doro | Date: 06/04/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    Unfortunately, we do Not provide such a high-precision load cell customization.
    The highest accuracy can be customized to 0.3%.
    Can rotary torque sensor handle any axial load?
    A few questions on the item below:
    Can it handle any axial load? If so, how much and can it measure axial load in addition to torque and speed?
    What is the data output frequency? It is indicated as 60 pulses/turn, so does it mean that it will give 6000 pulses per minute if operating at 100rpm, i.e. 100 pulses per second, or 100 Hz? And then at maximum 4800rpm, it will have a output frequency of 4800 Hz? Does it come with any warranty?
    What is the lead time for shipping to Edmonton, Alberta, Canada?
    From: amora | Date: 07/04/2023
    Was this review helpful? Yes No (0/0)
    ATO Responded
    1. It can handle the axial load. The magnitude of the load is related to the magnitude of the torque range. But it cannot measure axial load.
    2. Yes, 60 pulses/turn. If operating at 100rpm, it will give 6000 pulses per minute. When at maximum 4800rpm, it will have a output frequency of 4800 Hz.
    3. We provide a warranty of 18 months, except for man-made damage.
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