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Torqsense RWT320 is a series of digital, configurable, non-contact surface acoustic wave (SAW) rotary torque transducers with integral electronics and serial output.

Available from Sealig in versions from 500mNm to 10,000Nm, RWT320 interfaces with Labview-based software to indicate on any PC or laptop the torque, speed, power and peak torque of rotating drive systems.

Torqsense RWT320 transducers use surface acoustic wave technology to provide accurate, non-contact digital rotary torque measurement.

Torqsense technology precisely measures the strain-induced resonant frequency change in ‘frequency dependent’ internal surface acoustic wave devices without loading the drive with extra inertial load.

SAW devices are also not affected by external magnetic fields.

The output signal is coupled via a non-contact RF rotating coupling.

Integral electronics in Torqsense RWT320 enable resonant frequencies to be measured and offer user-selectable features, digital outputs and diagnostics.

Additionally, the sensors monitor and output shaft temperature to allow for better compensation and accuracy.

With high accuracy (to +/- 0.25 per cent FS) and resolution (0.1 per cent FS) Torqsense RWT320 transducers operate both statically and dynamically, clockwise and counter-clockwise, with excellent noise immunity.

In addition to the serial (RS232 or USB) connection for interfacing with modern instrumentation and laptops, there are two user-selectable voltage or current analogue outputs (torque and speed, power or peak torque) for interfacing with legacy analogue instrumentation.

Torqview torque monitoring software is also available to assist data recording and instrumentation displays that interface with Windows-based PCs.

With three display types offering real-time chart plotting, users can set the display to a preference, or export the data as text files compatible with Matlab and Excel.

DLLs and Labview VIs are also available, enabling users to design their own process control applications or write their own custom software.

Configuration software allows users to change transducer variables.

Self diagnostics are also provided to give users confidence that the data is trustworthy, that torque or speed ratings have not been exceeded and to supply the date of the transducer’s calibration.

Saelig Company, Inc. is a North American technical distributor for more than 100 manufacturers from all over the world. Founded in 1988 by Alan Lowne, Saelig has earned a growing reputation for finding, sourcing, and supporting unique, easy-to-use, value-priced control and instrumentation products. “Saelig” is an Olde English word which means “happy, prosperous, blessed”. We sell and support a wide range of electronic control and instrumentation equipment and components to customers ranging from Fortune 500 industrial users, military, educational institutions and hospitals to individual end-users. Our sales and distribution center is located in Pittsford, NY USA.

Mission: Saelig’s mission is to find, and successfully promote, unique OEM electronics products sourced from around the world, so that our customers, suppliers, and staff will be “happy, prosperous, and blessed”.

Product range: Oscilloscopes, spectrum analyzers, signal generators, DMMs, AWGs, PSUs, dataloggers, wireless modules, vehicle diagnostics, embedded controllers, I2C, USB, touch-panel PCs, WiFi, Bluetooth, RS2323/422/485 converters, bus analyzers, motors and controllers, etc.

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