Why does a 20 kNm transducer like the F2eS implement optical transmission instead of inductive, while maintaining its PCD of 196 mm?

The F2eS optical architecture is justified in applications with high magnetic contamination (e.g., dV/dt inverters near the drive shaft). By maintaining its mounting profile (196.0 mm PCD flange and a strict inertial mass of 0.0788 kgm²), the sensor can act as a drop-in structural replacement, absorbing brutal loads while reporting telemetry through an intrinsically passive light path (total EMI immunity), thus preventing the introduction of parasitic noise on the test bench.

Does the optical architecture affect the torsional rigidity of the instrument weighing up to 15.8 kg?

Absolutely not. The slotted disk of the optical configuration (encoder) rotates within the machined stator structure, ensuring that the dynamic core maintains its exceptional torsional rigidity of 13,050 kNm/rad. The 16-bit metrology delivers fully isolated Class 0.05% accuracy via a high-speed 60 kHz RS422 bus without sacrificing a single millimeter of power concentricity.

Torque Sensor F2eS 2500-20000 Nm | 6,500 RPM | EMI Immunity

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Digital Optical Transmission | 2,500 – 20,000 N·m | 6,500 RPM | PCD Flange 196.0 mm | Inertia 0.0788 kg·m²

Manufacturer: ATESTEO
Category: Very high torque (10,000-150,000 Nm), Rotary, Torque sensor

La serie F2eS mide par de 2.500 a 20.000 N·m con telemetría óptica digital.

Rango nominal: 2.500 / 5.000 / 7.500 / 10.000 / 15.000 / 20.000 N·m. Velocidad máxima: 6.500 RPM continuas. Brida PCD 196.0 mm. Inercia del rotor: 0.0788 … 0.0848 kgm². Rigidez torsional: 942 … 13.050 kNm/rad. Resistencia a rotura: > 1000%. Choque: 650 m/s².

Precisión: ≤ 0.05% (clase 0.05%). Salidas: 60 kHz ± 20 kHz (RS422), ±10V y Bus CAN (2B).

Aplicaciones: dinamometría Heavy Duty de ciclo pesado y bancos de investigación de inversores de tracción.

Torque sensors.

Properties

Nominal Range (Nm)	2,500 / 5,000 / 7,500 / 10,000 / 15,000 / 20,000 N·m
Rotational Limit (RPM)	Up to 6,500 RPM (Standard Heavy Duty Testing)
PCD Concentricity Diameter	Mechanical Flange 196.0 mm (High Load Support)
Rotor Inertia (kgm²)	0.0788 … 0.0848 (Reactive Mass Contained)
Global Metrological Accuracy	≤ 0.05% (Nominal Optical Conditions)
Coupled Signal Technology	Digital Optical Transmission (Frequency Isolation)
Scalar Torsional Stiffness	942 … 13,050 kNm/rad (Strict Foundation)
Shock Resistance (Destructive)	> 1000% Breaking Voltage / 650 m/s²
PLC Integration Ports	60 kHz ± 20 kHz (Pure RS422), ±10V, CAN Bus (2B)