RheinTacho – Force and Torque Testing Instruments | S. I. Instruments

Rotaro T Handheld Tachometer

admin — Thu, 06 Mar 2025 13:02:09 +0000

RheinTacho Rotaro T Digital Hand Tachometer

The RheinTacho Rotaro T is a versatile digital hand tachometer designed for the precise measurement of rotational speed, linear velocity, and length. Combining both non-contact optical and contact mechanical measurement methods in a compact, easy-to-use instrument, the Rotaro T is ideal for maintenance, production, quality control, and process monitoring applications across a wide range of industries.

Whether measuring the speed of rotating machinery, the surface velocity of moving materials, or the length of continuous products, the Rotaro T provides reliable, accurate results quickly and efficiently.

Dual Measurement Technology

Optical (Non-Contact) Measurement

The Rotaro T measures rotational speed without physically touching the equipment. A beam of light is directed at a reflective target attached to the rotating component, and the reflected signal is used to calculate RPM.

Features:

Non-contact RPM measurement
Measurement distance up to 600 mm
Fast and accurate readings
Ideal for rotating machinery and hard-to-access components
Clear 5-digit LCD display

Mechanical (Contact) Measurement

For direct measurements, the Rotaro T can be fitted with a contact probe and applied directly to a rotating shaft. A measuring wheel can also be attached, enabling the measurement of:

Rotational speed (RPM)
Surface velocity
Linear speed
Length travelled

Material Measurement Applications

With the addition of a special adapter, the Rotaro T can measure the speed and length of a wide variety of continuous materials, including:

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

This makes the Rotaro T particularly well suited to textile manufacturing, wire processing, packaging, converting, and general industrial production environments.

Technical Specifications

Specification	Details
Model	Rotaro T
Manufacturer	RheinTacho
Measurement Methods	Optical (non-contact) and Mechanical (contact)
Display	5-digit LCD display
Optical Measurement Distance	Up to 600 mm
Measured Parameters	Rotational speed (RPM), linear velocity, surface speed, and length
Optical Measurement	Reflective target/sticker required
Contact Measurement	Direct-contact probe for shaft measurement
Length & Surface Speed Measurement	Via measuring wheel attachment
Continuous Material Measurement	Yarn, wire, glass fibres, textiles, cables, ropes, paper, films, foils and similar materials
Special Adapter	Available for measuring speed and length of continuous materials
Typical Applications	Maintenance, manufacturing, process control, packaging, textile production and quality assurance

Key Benefits

Dual optical and mechanical measurement capability
Measures RPM, velocity and length with a single instrument
Fast, reliable, and accurate digital readings
5-digit LCD display for easy viewing
Non-contact measurement from up to 600 mm away
Suitable for both rotating equipment and moving materials
Compact, lightweight and portable design
Ideal for maintenance, inspection and production environments

The RheinTacho Rotaro T Digital Hand Tachometer delivers a practical and flexible solution for measuring rotational speed, linear velocity, and material length. Its combination of optical and mechanical measurement techniques makes it an invaluable tool for engineers, maintenance personnel, production operators, and quality control teams across a broad range of industrial applications.

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Redpoint Handheld Tachometer

admin — Thu, 06 Mar 2025 12:58:37 +0000

Fast, Accurate Non-Contact RPM Measurement

The RheinTacho Redpoint Digital Hand Tachometer is a compact, handheld instrument designed for the quick and accurate measurement of rotational speed without physical contact. Using advanced optical measurement technology, the Redpoint provides reliable RPM readings for a wide range of rotating machinery, making it an essential tool for maintenance engineers, service technicians, machine builders, and quality control professionals.

Its robust design, ease of operation, and complete accessory package make the Redpoint ideal for commissioning, preventative maintenance, process monitoring, and laboratory testing applications.

Optical (Non-Contact) Measurement

The Redpoint measures rotational speed by directing a beam of light at a reflective strip attached to the rotating object. Each time the reflective marker passes the beam, the reflected signal is detected and converted into an RPM reading.

Results are displayed instantly on the unit’s clear 5-digit LCD display, allowing for fast and accurate speed verification without interrupting machine operation.

Features

Non-contact optical RPM measurement
Measurement distance up to 600 mm
Fast response and reliable readings
Easy-to-read 5-digit LCD display
Safe measurement of moving and inaccessible components
Compact and lightweight handheld design

Complete Ready-to-Use Kit

The RheinTacho Redpoint is supplied as a complete measurement package, allowing users to begin work immediately.

Included as standard:

Redpoint Digital Hand Tachometer
Protective padded carry case
10 reflective strips
Batteries
Calibration certificate
Detailed operating manual

The supplied calibration certificate also enables the Redpoint to be used as a reference device for calibration and verification purposes.

Typical Applications

The Redpoint is suitable for measuring the speed of a wide range of rotating equipment, including:

Electric motors
Engines
Pumps
Turbines
Mixers
Centrifuges
Fans and blowers
Gearboxes
Production machinery
Laboratory equipment

Its versatility makes it valuable across numerous industries and applications, including:

Plant commissioning
Machinery setup
Preventative maintenance
Field service and repair
Manufacturing process monitoring
Research and development laboratories
Quality control inspections

Technical Specifications

Specification	Details
Model	Redpoint
Manufacturer	RheinTacho
Measurement Method	Optical (Non-Contact)
Measured Parameter	Rotational Speed (RPM)
Display	5-Digit LCD
Measurement Distance	Up to 600 mm
Measurement Principle	Reflective target and optical sensing
Reflective Strips Included	10
Batteries Included	Yes
Calibration Certificate	Included
Carry Case	Protective padded carry case supplied
Operating Manual	Included
Typical Applications	Motors, Engines, Pumps, Turbines, Mixers, Centrifuges, Fans and Industrial Machinery

Key Benefits

✅ Fast and accurate non-contact RPM measurement

✅ Measurement distance up to 600 mm

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

✅ Safe operation on moving machinery

✅ Complete ready-to-use kit supplied

✅ Calibration certificate included

✅ Compact and portable handheld design

✅ Ideal for maintenance, service, production, and laboratory environments

Why Choose the RheinTacho Redpoint?

The RheinTacho Redpoint Digital Hand Tachometer provides a simple, reliable, and highly effective solution for measuring rotational speed without making contact with the rotating component. Its combination of accuracy, portability, and ease of use makes it the preferred choice for technicians and engineers who require quick and dependable RPM measurements across a broad range of industrial applications.

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RT qbLED Super Stroboscope

admin — Thu, 06 Mar 2025 12:50:21 +0000

The RT STROBE super qbLED version constitutes a world-first. 118 long-life, high-performance LEDs ensure an exceptional illumination area. It is the first measuring device of its kind to be equipped with an auto-sync laser function. This allows for the synchronisation frequency to be determined very quickly, without manual adjustment or external sensor signals. Furthermore, the additionally generated value guarantees absolute measuring certainty.

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RT LED Laser and Trigger Pocket Stroboscope

admin — Wed, 05 Mar 2025 17:41:18 +0000

The new RT STROBE pocket LED LASER with Trigger is the further development of the current portable stroboscopes RT STROBE pocketLED. This portable stroboscope is extended by the innovative auto-sync laser function as well as by the additional application possibilities of a laser-tachometer.
Within the stroboscope mode, the portable multifunction device flashes with up to 999,999 flashes per minute. The quartz accuracy ensures absolute flash precision. 6 extremely bright LEDs ensure an exceptional illumination area.
Connect your RT STROBE pocketLED LASER with the device or plant to be monitored via a trigger cable. The trigger interface is designed as a combined input
and output interface. The trigger output allows you to set a flash frequency in the stroboscope and transmit it as a trigger signal to an external device or
machine.
The ergonomically and functionally optimized housing with integrated protective holster fulfils the requirements of protection class IP65. This means the RT STROBE pocketLED LASER is extremely well protected against dust and water jets and thus perfectly suitable for use in rough industrial environments.
By means of a reflective laser beam, The RT STROBE pocketLED LASER offers the possibility to determine the flash rate almost automatically and thus let moving parts appear optically “frozen”. When flash function is disabled, the Stroboscope can function as a laser tachometer.

The post RT LED Laser and Trigger Pocket Stroboscope appeared first on Force and Torque Testing Instruments | S. I. Instruments.

RT LED Laser Pocket Stroboscope

admin — Wed, 05 Mar 2025 17:28:28 +0000

The new RT STROBE pocketLED LASER is the further development of the current portable stroboscopes RT STROBE pocketLED. This portable stroboscope is extended by the innovative auto-sync laser function as well as by the additional application possibilities of a laser-tachometer.
Within the stroboscope mode, the portable multifunction device flashes with up to 999,999 flashes per minute. The quartz accuracy ensures absolute flash precision. 6 extremely bright LEDs ensure an exceptional illumination area.
The ergonomically and functionally optimized housing with integrated protective holster fulfils the requirements of protection class IP65. This means the RT STROBE pocketLED LASER is extremely well protected against dust and water jets and thus perfectly suitable for use in rough industrial environments.
By means of a reflective laser beam, The RT STROBE pocketLED LASER offers the possibility to determine the flash rate almost automatically and thus let moving parts appear optically “frozen”. When flash function is disabled, the Stroboscope can function as a laser tachometer.

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RT LED Trigger Pocket Stroboscope

admin — Wed, 05 Mar 2025 14:46:30 +0000

RT LED Trigger Pocket Stroboscope is the ultimate high-performance LED-hand stroboscope. Super fast. Super bright. Super sealed. Worldwide most powerful handheld stroboscope with LED-technology. For heavy duty application (protection class IP65) and ultra-fast movements (max. 300.000 flashes per minute) machine.
RT Strobe Pocket LED T with trigger input and output is the perfect device for all applications controlled by external trigger signal.

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RT Strobe 7000 LED Stationary Stroboscope

admin — Wed, 05 Mar 2025 13:34:16 +0000

High-performance stationary LED-stroboscope with powerful light output and homogenous illumination for XXL-web width.Due to the configuration with 200 high-performance LEDs, the Rheintacho STROBE 7000 LED offers powerful light intensity. The large, homogeneous illumination surface delivers superb results even at difficult light conditions, making the RT STROBE 7000 LED suitable for a very wide range of measurement, observation and inspection functions. It is especially suitable for demanding applications, such as those in the printing industry. With an adjustable flash duration and adjustable light intensity, the Rheintacho Strobe 7000 LED will easily find the most optimal setting for sharp images at every application. The stroboscope can be controlled directly by the trigger signal of the existing system without the need for additional control units or by various external control devices. When using these trigger options simultaneously, it is possible to easily alternate between the signal inputs by using the switch on the reverse side of the stroboscope. With this feature it is also possible to switch to solid light when the machine is at standstill.

The post RT Strobe 7000 LED Stationary Stroboscope appeared first on Force and Torque Testing Instruments | S. I. Instruments.

RT Strobe 5000 LED Stationary Stroboscope

admin — Wed, 05 Mar 2025 13:26:27 +0000

High-performance stationary LED-stroboscope with powerful light output and homogenous illumination area up to web-width 500 mm.

Due to the configuration with 120 highperfomance LEDs, the RT STROBE 5000 LED offers a powerful light intensity. The large, homogeneous illumination surface delivers superb results even at difficult light conditions, making the RT STROBE 5000 LED suitable for a very wide range of measurement, observation and inspection functions. It is especially suitable for demanding applications, such as those in the printing industry.

The post RT Strobe 5000 LED Stationary Stroboscope appeared first on Force and Torque Testing Instruments | S. I. Instruments.

RT Strobe 3000 LED Stationary Stroboscope

admin — Wed, 05 Mar 2025 13:21:54 +0000

High-performance stationary LED-stroboscope with powerful light output and homogenous illumination area up to web-width 300 mm.

Due to the configuration with 80 highperfomance LEDs, the RT STROBE 3000 LED offers a powerful light intensity. The large, homogeneous illumination surface delivers superb results even at difficult light conditions, making the RT STROBE 3000 LED suitable for a very wide range of measurement, observation and inspection functions. It is especially suitable for demanding applications, such as those in the printing industry.

The post RT Strobe 3000 LED Stationary Stroboscope appeared first on Force and Torque Testing Instruments | S. I. Instruments.

Mechanical Precision Hand Tachometer

admin — Wed, 05 Mar 2025 10:58:37 +0000

The RheinTacho Mechanical Precision Hand Tachometer is a precision handheld instrument designed for measuring:

Rotational speed (RPM)
Length
Linear running speed (feet or metres)

Key Features

Large, clear, easy-to-read dial
Wide measuring range with excellent resolution
Range selection via switch for optimum accuracy
Generous 270° scale for easy reading
Durable rubber holster for added protection and improved grip
Supplied complete with accessories and Calibration Certificate
Foam-lined hard-shell carrying case included

Models Available

Model	Measuring Range
HTM100M	Up to 10,000 RPM
HTM500M	Up to 50,000 RPM

Supplier

RheinTacho

The HTM series is suitable for maintenance, inspection, commissioning, and general industrial applications where accurate measurement of rotational or linear speed is required.

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Rotaro Handheld Tachometer

admin — Wed, 05 Mar 2025 10:43:47 +0000

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.

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

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.

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.

Technical Specifications

Specification	Details
Model	Rotaro T
Manufacturer	RheinTacho
Measurement Methods	Optical (Non-Contact) and Mechanical (Contact)
Display	5-Digit LCD
Optical Measurement Distance	Up to 600 mm
Measured Parameters	RPM, Surface Speed, Linear Velocity, Length
Optical Measurement Principle	Reflective target and optical sensor
Contact Measurement	Mechanical adapter with interchangeable probes
Surface Speed Measurement	Yes
Length Measurement	Yes
Measuring Wheel Compatibility	Yes
Continuous Material Measurement	Yes
Applications	Maintenance, Manufacturing, Process Monitoring, Quality Assurance

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

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

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.

The post Rotaro Handheld Tachometer appeared first on Force and Torque Testing Instruments | S. I. Instruments.

RT Hand Held Stroboscope qbLED

admin — Wed, 05 Mar 2025 10:35:27 +0000

The extremely bright, hand-held stroboscopes comprising the RT STROBE qbLED range are unrivalled in terms of brightness, operation and technology. These extremely robust and precise hand-held stroboscopes are used to conduct measurements in difficult industrial environments and are specifically designed for maintenance work / commissioning and inspections.

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EcoTach Tachometer

admin — Wed, 05 Mar 2025 08:43:37 +0000

RheinTacho EchoTach Digital Optical Tachometer

Compact, Reliable Non-Contact RPM Measurement

The RheinTacho EchoTach is a robust, handheld optical tachometer designed for the fast and accurate measurement of rotational speed without requiring physical contact with the target. Its compact, lightweight, pocket-sized design makes it ideal for maintenance professionals, field service technicians, and workshop environments where portability and convenience are essential.

Using advanced optical sensing technology, the EchoTach measures speeds from 1 to 60,000 RPM with exceptional accuracy. A high-intensity red LED projects a beam onto a reflective target attached to the rotating component, while the reflected signal is detected and processed to provide instant speed measurements.

Designed for ease of use, the EchoTach can perform measurements from distances of up to 450 mm and over a wide measuring angle, allowing users to safely evaluate rotating machinery without interrupting operation. Its matched optical system and powerful LED technology provide excellent resistance to ambient light interference, ensuring reliable readings in a variety of industrial environments.

Manufactured in Germany, the EchoTach combines precision engineering, rugged construction, and dependable performance, making it suitable for routine maintenance, machine commissioning, process monitoring, quality control, and laboratory applications.

Key Features

Non-contact optical RPM measurement
Wide measuring range from 1 to 60,000 RPM
Measurement distance up to 450 mm
High-intensity red LED optical system
Wide measurement angle for enhanced usability
Excellent resistance to ambient light interference
Compact, lightweight, pocket-sized design
Robust German manufacturing quality
Ideal for field, workshop, and industrial applications

Typical Applications

The EchoTach is commonly used to measure the rotational speed of:

Electric motors
Pumps
Fans and blowers
Turbines
Mixers
Centrifuges
Production machinery
Test and laboratory equipment

Whether used for preventative maintenance, troubleshooting, commissioning, or quality assurance, the RheinTacho EchoTach delivers dependable, accurate speed measurement in a compact and easy-to-use instrument.

RheinTacho Handheld Tachometer Comparison Guide

Feature	Rotaro T Digital Hand Tachometer	Rotaro Handheld Tachometer	Mechanical Precision Hand Tachometer (HTM100M / HTM500M)	Redpoint Handheld Tachometer	EchoTach Digital Optical Tachometer
Measurement Type	Optical & Mechanical	Optical & Mechanical	Mechanical Only	Optical Only	Optical Only
Non-Contact RPM Measurement	✅	✅	❌	✅	✅
Contact RPM Measurement	✅	✅	✅	❌	❌
Surface Speed Measurement	✅	✅	✅	❌	❌
Length Measurement	✅	✅	✅	❌	❌
Measuring Wheel Compatible	✅	✅	✅	❌	❌
Continuous Material Measurement	✅	✅	✅	❌	❌
Yarn, Wire & Fibre Measurement	✅	✅	Limited	❌	❌
Display Type	5-Digit LCD	Digital LCD	Analogue Dial	5-Digit LCD	Digital LCD
Optical Measurement Distance	Up to 600 mm	Up to 600 mm	N/A	Up to 600 mm	Up to 450 mm
RPM Measurement	✅	✅	✅	✅	✅
Surface Velocity Measurement	✅	✅	✅	❌	❌
Linear Velocity Measurement	✅	✅	✅	❌	❌
Length Measurement Capability	✅	✅	✅	❌	❌
Calibration Certificate	Typically Included	Typically Included	Included	Included	Not Specified
Carry Case Included	Yes	Yes	Hard Carry Case	Padded Carry Case	Not Specified
Power Requirement	Battery Powered	Battery Powered	None	Battery Powered	Battery Powered
Made in Germany	Yes	Yes	Yes	Yes	Yes
Best Application	All-in-One Speed & Length Measurement	General Industrial Measurement	Mechanical RPM & Length Measurement	Dedicated Non-Contact RPM Measurement	Compact High-Range RPM Measurement

Application Comparison

Application	Rotaro T	Rotaro	HTM100M / HTM500M	Redpoint	EchoTach
Motor RPM Measurement	✅	✅	✅	✅	✅
Pumps & Fans	✅	✅	✅	✅	✅
Turbines	✅	✅	✅	✅	✅
Machinery Commissioning	✅	✅	✅	✅	✅
Preventative Maintenance	✅	✅	✅	✅	✅
Production Monitoring	✅	✅	✅	✅	✅
Textile Manufacturing	✅	✅	⚠️	❌	❌
Wire & Cable Production	✅	✅	⚠️	❌	❌
Conveyor Speed Measurement	✅	✅	✅	❌	❌
Surface Velocity Measurement	✅	✅	✅	❌	❌
Material Length Measurement	✅	✅	✅	❌	❌
Pocket-Sized Portability	✅	✅	❌	✅	✅

⚠️ = Possible with suitable accessories but less versatile than the Rotaro range.

Which RheinTacho Tachometer is Right for You?

Rotaro T Digital Hand Tachometer

Best for: Users requiring maximum versatility.

Optical and mechanical measurement in one instrument
Measures RPM, surface speed, linear speed, and length
Suitable for yarn, wire, textiles, cables, and continuous materials
Ideal for maintenance, production, and quality control

Rotaro Handheld Tachometer

Best for: General-purpose industrial speed, velocity, and length measurement.

Dual optical and contact measurement
Suitable for machinery and production processes
Excellent all-round tachometer for industrial environments

Mechanical Precision Hand Tachometer (HTM100M / HTM500M)

Best for: Traditional mechanical measurement applications.

No batteries required
Rugged and reliable
Available in ranges up to 10,000 RPM or 50,000 RPM
Suitable for RPM, surface speed, and length measurements

Redpoint Handheld Tachometer

Best for: Fast and simple non-contact RPM measurement.

Measures rotational speed only
Optical measurement up to 600 mm
Complete kit supplied with reflective strips and calibration certificate
Ideal for maintenance engineers and service technicians

EchoTach Digital Optical Tachometer

Best for: Portable, high-range RPM measurement.

Ultra-wide measuring range of 1–60,000 RPM
Compact pocket-sized design
Optical measurement up to 450 mm
Excellent resistance to ambient light interference
Ideal for field service, workshops, and laboratory environments

Quick Selection Guide

If You Need…	Recommended Model
RPM, Speed & Length Measurement	Rotaro T
Most Versatile Solution	Rotaro T
Traditional Mechanical Tachometer	HTM100M / HTM500M
Simple Non-Contact RPM Measurement	Redpoint
Compact High-Range Optical Tachometer	EchoTach
Textile, Wire & Cable Applications	Rotaro T
Maintenance & Service Work	Redpoint or EchoTach
Production Line Monitoring	Rotaro T or Rotaro

Request a Quote

Contact our team today for pricing, availability, and expert advice on the RheinTacho EchoTach Digital Optical Tachometer.

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