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TR3D-B three-axis load cell

TR3D-B square three-axis load cell 1.1 to 71 kN

Square three-axis load cell for forces up to 17.7 kN per axis, in a body of 50.8 × 50.8 × 23.3 mm.

Available versions

17.7 kN
Measuring range per axis
220 N·m
Max moment per axis
4.5 mV/V
Output
50.8 × 50.8 × 23.3 mm
Dimensions
  • Non-linearity≤ 0.5 % FS
  • Included3.05 m cable · ISO/IEC 17025 calibration report

TR3D-B-4K: square three-axis load cell, 17.7 kN per axis

The TR3D-B-4K is a square three-axis load cell. Three four-arm strain gage bridges, one per axis, measure the forces in X, Y and Z, up to 17.7 kN (4,000 lbf) each; the maximum moment is 220 N·m per axis. The body measures 50.8 × 50.8 × 23.3 mm, is weatherproof sealed and temperature compensated. The full-scale output is 4.5 mV/V on all channels, nominal, with non-linearity and hysteresis below 0.5 % of full scale, at up to 10 V excitation, DC or AC rms. It is usable from −40 to 149 °C and comes with a 3.05 m shielded cable with open-ended leads.

The top is fastened with a single M12 × 1.75 bolt and the base with four M8 × 1.25 bolts; where the base cannot be reached, an optional bottom thread adapter fixes it from above, through the top hole. Pilot surfaces on both faces locate the cell. Each bridge is powered separately on its own four leads (P+, S+, S−, P−). The cell is not intended for moments above 220 N·m per axis: several cells in an array between two stiff fixtures take them as forces. Each channel is calibrated to full scale, with an ISO/IEC 17025 calibration report that records cross-talk.

In a van test, a TR3D-B-4K in an adapter that replaced the production engine mount measured the three mount forces, with the engine kept in its position.

TR3D-B three-axis load cell

Specifications

TR3D-B-4K
Measured quantitiesFx · Fy · Fz
Force capacityFx 17.7 · Fy 17.7 · Fz 17.7 kN
Moment capacity220 N·m (max per axis)
Non-linearity≤ 0.5 % FS
Hysteresis≤ 0.5 % FS
Axes3 (orthogonal)
Sensing principleStrain gage (3 four-arm bridges)
Rated output4.5 mV/V
Excitation voltage10 V (max, DC or AC rms)
Load threadM12 × 1.75
Mounting fasteners4 × M8 × 1.25 (and 1-14)
Dimensions50.8 × 50.8 × 23.3 mm
MaterialStainless steel · Aluminum
Operating temperature−40 to 149 °C
ConnectionsCable (shielded, open-ended leads)
Cable length3.05 m

Connectors and cable length can be specified when ordering.

Shown: TR3D-B-4K. Download the files

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  • SGA12 twelve-channel strain gage amplifier box

    Read the three axes as ± 10 V

    SGA3, the three-channel model of the SGA series

    ± 5 V bridge excitation, a ± 10 V output per axis and shunt calibration from a switch on the box.

    One SGA3 per load cell.

    See the SGA
  • MUX-BC350-12 twelve-channel module

    Log every axis on one CAN bus

    MUX-FB-12, the full-bridge module of the MUX-12 series

    Twelve full-bridge inputs, one CAN 2.0 or CAN FD output up to 8 ksps, integrated shunt resistors for calibration.

    Twelve channels per module; up to four modules stack for 48 synchronized channels.

    See the MUX-12

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