Versatile RPM, Speed and Length Measurement

The RheinTacho Rotaro T is a compact and versatile digital hand tachometer designed for the accurate measurement of rotational speed, surface speed, and length. Combining both optical (non-contact) and mechanical (contact) measurement methods in a single instrument, the Rotaro T provides a flexible solution for maintenance, manufacturing, quality control, and process monitoring applications.

Its dual-mode functionality allows users to measure rotating machinery safely from a distance or perform direct-contact measurements using a range of interchangeable accessories.

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Dual Measurement Technology

Optical (Non-Contact) Measurement

The Rotaro T uses a precise beam of light and a reflective target attached to the rotating component to accurately determine rotational speed without making physical contact with the machine.

As the reflective marker passes through the light beam, the reflected signal is detected and converted into an RPM value. The result is displayed instantly on the clear 5-digit LCD display.

Key Features:

• Non-contact RPM measurement
• Measurement distance up to 600 mm
• Fast and accurate readings
• Safe measurement of moving components
• Ideal for hard-to-access machinery

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Mechanical (Contact) Measurement

For direct speed measurement, the Rotaro T can be fitted with a mechanical adapter that accepts a variety of contact probes. This allows users to measure rotational speed directly from shafts and rotating components.

A surface speed wheel can also be attached for measuring:

• Contact RPM
• Surface velocity
• Linear speed
• Length travelled

This flexible contact measurement capability makes the Rotaro T suitable for a wide range of industrial maintenance and production applications.

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Material Measurement Applications

Using the surface speed wheel and optional adapters, the Rotaro T can accurately measure the speed and length of a wide variety of moving and continuous materials, including:

• Yarn
• Wire
• Glass fibres
• Textile products
• Cables
• Ropes
• Paper webs
• Plastic films and foils
• Other fibre-based materials

This versatility makes the Rotaro T particularly valuable in textile manufacturing, cable production, packaging, converting, and process-control environments.

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Technical Specifications

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Key Features

✅ Dual optical and mechanical measurement modes

✅ Measures RPM, surface speed, linear velocity and length

✅ Non-contact measurements from distances up to 600 mm

✅ Contact measurement using interchangeable probes

✅ Compatible with surface speed measuring wheels

✅ Suitable for continuous material measurement

✅ Clear and easy-to-read 5-digit LCD display

✅ Compact, lightweight and portable

✅ Ideal for industrial maintenance and production environments

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Typical Applications

The Rotaro T is widely used for:

• Motor and gearbox inspection
• Pump and fan speed measurements
• Conveyor speed monitoring
• Production line monitoring
• Textile manufacturing
• Wire and cable production
• Packaging machinery
• Process control applications
• Quality assurance inspections
• Research and development testing

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Why Choose the Rotaro T?

Unlike standard tachometers that only measure rotational speed, the RheinTacho Rotaro T combines non-contact RPM measurement with contact speed and length measurement capabilities in a single compact instrument. Whether you’re checking the speed of rotating machinery or measuring the length and velocity of continuous materials, the Rotaro T delivers the versatility, accuracy, and reliability required for demanding industrial applications.