Square Drive Static Torque Transducer | DTD-S

High Accuracy, Easily Adaptable, with a Square Drive Shaft

Lead Time
10 weeks
Prices From
Accelerated delivery available
Quantity, OEM & educational discounts

At a Glance

  • Capacities: 0-10Nm to 0-20kNm
  • 2mV/V Output (1.5mV/V on 50kNm model)
  • Environmental Protection: IP65
  • Accuracy: <±0.1%/Rated Capacity
  • Custom Capacities to 200kNm+
  • High Accuracy – Ideal for Calibration or Testing Torque Tools QA Environment
  • Protected From Low Pressure Water Jets – Suitable for Most Industrial Environments
  • Offshore and Marine Submersible Versions Available
  • Fast and Simple Installation Thanks to Customised Shaft and Configuration Options
  • Let us Customise the Design to Suit Your Exact Application


The DTD-S series of reaction / static torque transducers have a square drive and are primarily used to measure the fastening or breakaway torque of bolts and nuts. The square drive static torque transducer is ideal for calibrating automated torque screwdrivers, spanners and wrenches.

We are able to offer custom drive sizes and configurations to suit your application if required, and can also offer versions with improved sealing up to IP68 for applications where operating conditions are harsh or involve submersion.

Technical Specifications

Rated Capacity (RC)Nm0-10, 0-20, 0-50, 0-100, 0-200, 0-250, 0-500, 0-1000, 0-2k, 0-5k, 0-10k, 0-20k
Operating ModesClockwise (CW)/Counter-Clockwise (CCW) / Clockwise (CW) & Counter-Clockwise (CCW)
Sensitivity (RO)mV/V1.5 nominal
Zero Balance/Offset±%/Rated Output<1
Output Symmetry (CW vs. CCW)±%/Rated Output<0.25 typical
Non-Linearity±%/Full Scale Output<0.1
Hysteresis±%/Full Scale Output<0.1
Repeatability±%/Full Scale Output<0.1
Temperature Effect on Zero±Full Scale Output/ ˚C<0.010
Temperature Effect on Output±/Reading/ ˚C<0.010
Bridge ResistanceOhms700 nominal
Insulation ResistanceMegaohms>5000 @ 50Vdc
Excitation VoltageVolts AC or DC10 recommended (2-15 acceptable)
Operating Temperature Range˚C-20 to +80
Compensated Temperature Range˚C+20 to +70
Storage Temperature Range˚C-20 to +80
Safe Overload% of Rated Capacity150
Ultimate Overload% of Rated Capacity300
IP Rating (Environmental Protection)IP65
WeightSee dimensions table
Fatigue Rating108 cycles typical
Cable Length (as standard)metres3
Cable Type4-core screened PUR, Ø4.6mm
ConstructionStainless Steel
Resolution1 part in 250,000 (with appropriate instrumentation)

Product Dimensions

DTD-S Dimensions
Capacity (Nm)Square Drive ABCØD
100.250 inch7.54825
200.250 inch7.54825
500.375 inch11.55835
1000.500 inch15.55835
2500.750 inch237954
5000.750 inch237954
10001.000 inch287954
20001.500 inch389570
50002.000 inch4513090
100002.500 inch55165110
200003.000 inch68212130
500003.500 inch79185180

All dimensions are in mm.

Wiring Details

Red+ve excitation
Blue-ve excitation
Green+ve signal (clockwise)
Yellow-ve signal
ScreenTo ground - not connected to sensor body

Ordering Codes & Options

Core ProductCapacity (inc Engineering Units)Cable Length (m)Specials CodeExample Result

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