Datasheet torque sensor DRFD

Product catalog summary

Overview
The document provides technical specifications for the DRFDN and DRFDS torque transducers, which are designed for torque ranges from 0.5 to 5 Nm and feature digital output with an optional angle function. These transducers are suitable for use in the automotive industry, test benches, assembly applications, and pulsed tools.

Features

Contactless data acquisition eliminates the need for service.
High accuracy achieved through frequency modulation and strain gauge technology.
Reduced power consumption and high noise immunity due to digital signal processing.
Compact design suitable for laboratory and industrial environments.

Electrical Specifications

Torque ranges: 0.5, 1, 2, 5 Nm.
Supply voltage: 12 V DC ± 10%.
Current consumption: less than 150 mA.
Frequency output: 8 kHz ± 2 kHz.
Accuracy: 0.25% of full scale.
Nonlinearity: less than 0.15%.
Hysteresis: less than 0.1%.
Operating temperature: 0 - 60°C.
Compensated temperature range: 5 - 45°C.
Temperature error: Zero point 0.02%/K, Sensitivity 0.01%/K.
Mechanical overload: 100%.
Internal protection: IP40.
Maximum revolutions: 10,000 min^-1.
Weight: approximately 180 g.
Connection: 8-pin connector.

Mechanical Dimensions
The document includes dimensions for the DRFDN1 (standard square socket) and DRFDS1 (standard hex socket) models, with general tolerances according to DIN 2768-m.

Ordering Code and Accessories

Model options include standard square and hex sockets.
Angle option available with a maximum of 3000 min^-1 revolutions.
Output: open-collector with internal pull-up 10 kΩ (5 V level) and external pull-up 24 V max.
Accessories include an external D/A converter for analog signal, supply and evaluation device GMV2, and a 2m cable.

Catalog excerpts

Hagstraße 10 · 74417 Gschwend w w w.eth-messtechnik.de Datasheet Torque Transducer DRFDN DRFDS Torque ranges from 0,5 to 5 Nm with digital output option angle function standard square drive Features • No service needed because of contactless data acquisition • High accuracy due to frequency modulation and strain gage technology • reduced power consumption • High noise immunity due to digital signal • very compact design The transducer is suitable for use in the laboratory and for the industrial environment due to its compact dimensions. The non-contact transmission of supply voltage and measuring signal enables low- Subject to change without notice suitable for: automotive industry test benches assembly applications pulsed tools wear and maintenance-free continuous operation. The integrated measuring amplifier delivers a digital output signal of 8 kHz ± 2 kHz with a supply voltage of 12V DC.

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Electrical Specifications DRFD Torque ranges: Supply voltage: Current consumption: Frequency output: Operating temperature: Compensated temperature range: Temperature error Zero point: Sensitivity: Mechanical overload: Internal protection: Calibration: Factory certificate with 25% steps cw. Other calibrations on request. Detection of direction of rotation: 2 pulses 90° phase shift Channel A leading for clockwise rotation of drive end Ordering Code DRFD Accessories external D / A converter for analog signal, supply and evaluation device GMV2, w  Op�on angle  Measureing range (Nm) Size (standard)...

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Mechanical Dimensions DRFD DRFDN1 (standard square socket) inside square outside square DRFDS1 (standard hex socket) outside square inside square In brackets dimensions with option rotation angle. / General tolerances DIN 2768-m. messtechnik gmbh

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Datasheet torque sensor DRFD

Datasheet torque sensor DRFD

Catalog excerpts

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