What does the Extended Range (SV) architecture imply about the transducer's inertia at 20,000 RPM?

The F0eS-SV variant combines the advantages of a high-end optical stator with ultra-lightweight alloy rotors and hybrid inductive configurations. This reduces the moment of inertia to approximately 0.0007 kg·m² in its low-end ranges. A drive train with near-zero inertia is essential to ensure that the E-Drive or micromotor accelerates to 20,000 RPM without experiencing the transducer's floating mass, thus avoiding coupled resonances.

How can such a lightweight design withstand heavy-duty loads of 1,000 Nm?

Despite destroying the kinetic weight of its rotor core, the form factor widens parametrically in the higher-end models of the F-Series Extended. This provides a robust structural geometric base that boosts torsional stiffness to over 970 kNm/rad while maintaining the destructive fracture limit at an unquestionable >1000% on robust transmissions.

Torque Sensor F0eS-SV 100-1,000 Nm | 20,000 RPM | Optical-Inductive Technology

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Digital Optical or Inductive | 100 – 1,000 N·m | 20,000 RPM | Titanium / Steel Rotor

Manufacturer: ATESTEO
Category: Half torque (100-1,000 Nm), Rotary, Torque sensor

The F0eS-SV (F-Series Extended Range) variant inherits the High-End F0eS platform. The read core is optical or inductive (iS). Titanium/steel alloy rotor.

Nominal range: 100 / 200 / 400 / 500 / 1,000 N·m (HD, Heavy Duty up to 1,000 Nm). Maximum speed: 20,000 RPM (optical version). Moment of inertia: 0.0007 … 0.0013 kg·m². Torsional stiffness: 181 … 975 kNm/rad. Tensile strength: > 1000% of nominal. Temperature: -20 … +85 °C.

Accuracy: Class 0.05%. Output frequency: 60 kHz ± 20 kHz (RS422). Outputs: ±10V, 4-20 mA, CAN Bus (2B), RS232.

Applications: E-Mobility, R&D, synchronous and asynchronous motors, hybrid electric propulsion and competition.

Torque sensors.

Properties

Nominal Range (Nm)	100 / 200 / 400 / 500 / 1,000 N·m (HD)
Constant Rotational Limit	Up to 20,000 RPM (Optical Version)
Global Metric Accuracy	Class 0.05%
Internal Speed Technology	High Resolution Optical or Inductive (iS)
Moment of Inertia	0.0007 … 0.0013 kg m² (Ultra-Light Rotor)
Torsional Stiffness	181 … 975 kNm/rad (HD Extended)
Thermal Protection and Insulation	Extreme Temperatures (-20 … +85 °C)
Breaking Strength (Shock)	> 1000% (Standard) / Base Armor
Frequency Analytical Output	60 kHz ± 20 kHz (Pure RS422)
Peripheral Electronic Range	±10V, 4-20 mA, CAN Bus (2B), RS232