# ATO Flange-to-Square-Drive Reaction Torque Sensor, 50 N·m (ATO-TQS-S03)

![ATO Flange-to-Square-Drive Reaction Torque Sensor, 50 N·m (ATO-TQS-S03)](https://parts.trymaglev.com/img/te-ato-tqs-s03-50nm.webp)

Cheapest listed reaction sensor here; square-drive end makes it easy to load a joint by hand or with a lever arm.

- Maglev ID: te-ato-tqs-s03-50nm
- Brand: ATO
- MPN: ATO-TQS-S03 (ATO-DYJN-103) 50 N·m
- Category: test-equipment / Torque Sensors
- Origin: CN (maker HQ, factory not confirmed)
- Maker: ATO (ato.com) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 9031.80.8085
- MOQ: unknown · Lead time: 6–12 days (stated delivery)
- Confidence: REPORTED

## Price
- 1+: $134.92 (list, 2026-10-31, https://www.ato.com/reaction-torque-sensor-flange-to-square-drive-2-to-200-nm)

## Specifications
- Rated torque: 50 N·m (2–200 N·m options at base price)
- Sensor type: Reaction static
- Max speed: n/a (static)
- Accuracy: 0.3% FS accuracy, 0.2% FS nonlinearity
- Output: 0–20 mV (1.0–2.0 mV/V); transmitter options 4–20 mA/0–5 V/0–10 V/RS485 (+$109.85)
- Encoder / speed: none

## Links
- Product: https://www.ato.com/reaction-torque-sensor-flange-to-square-drive-2-to-200-nm
- Datasheet: none
- CAD: none

## Sources
- https://www.ato.com/reaction-torque-sensor-flange-to-square-drive-2-to-200-nm (price $134.92 base incl. 2–200 N·m, accuracy, outputs, delivery 6–12 days)