Key facts
- Brand
- HBM
- Model
- T4A, T4WA-S3
- Category
- Industrial Supply
- Industry
- Industrial
- Documents
- 2
- Languages
- EN
- Last added
- 2026-10-16
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HBM T4A, T4WA-S3 eTorque/Screw Torque Transducer Mounting Instructions
This manual provides mounting instructions for the HBM T4A and T4WA-S3 eTorque/Screw Torque Transducers. It details the appropriate use of the device, safety regulations, and specific mounting positions to ensure safe operation. The document emphasizes that the transducer is not a safety device and must be installed by qualified personnel following specific guidelines to prevent residual dangers.
Read onlineHBM T4A, T4WA-S3 specifications
| Nominal torque range | 5 N·m – 1 kN·m |
|---|---|
| Accuracy class | 0.2 (T4A) / 0.1 (T4WA‑S3) |
| Maximum permissible excitation voltage | 20 V |
| Operating temperature range | -10 °C … 460 °C |
| Degree of protection | IP50 |
| Weight (approx.) | 0.4 kg – 24 kg |
| Torsional stiffness | 0.29 – 65 kNm/rad |
| Output voltage (square wave) | 5 V TTL level |
Source: HBM T4A/T4WA-S3 Torque/Screw Torque Transducer Data Sheet
All HBM T4A, T4WA-S3 documents by type
Day-to-day operation, settings and troubleshooting. Start here if the product is already set up.
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
What types of tools can be used with the T4A, T4WA-S3 transducer?
The transducers can be used in conjunction with manual or motorised screwdrivers, but not impact wrenches.
From: HBM T4A, T4WA-S3 eTorque/Screw Torque Transducer Mounting Instructions
What square sizes are provided on the transducer for fitting tools?
The transducer provides an internal square on the input side and an external square on the output side, both to DIN 3121.
From: HBM T4A, T4WA-S3 eTorque/Screw Torque Transducer Mounting Instructions
What is the accuracy class of the T4A and T4WA‑S3 transducers?
The T4A has an accuracy class of 0.2, while the T4WA‑S3 achieves 0.1.
From: HBM T4A/T4WA-S3 Torque/Screw Torque Transducer Data Sheet
What is the maximum permissible excitation voltage?
The transducers can be powered with up to 20 V excitation.
From: HBM T4A/T4WA-S3 Torque/Screw Torque Transducer Data Sheet