testo 460 – Tachometer

Beschreibung

testo 460 – tachometer

The testo 460 tachometer is a compact measuring instrument for the non-contact measurement of speeds on rotating elements such as fans, shafts or motors. Thanks to the innovative LED measurement spot marking, the instrument offers a particularly precise measurement process and is ideal for maintenance work in an industrial environment. Comparisons, such as with the [Testo 465 – Digital Tachometer], confirm the reliability and accuracy of this modern technology. Thanks to its robust design and the accessories supplied, such as a belt pouch and protective cap, the device is always ready for use and protected from damage, even when on the move.

Detailed description

This measuring device works optically and enables rotating parts to be checked without contact and without disrupting operations. A reflective marker glued to the object to be measured reflects the LED light beam, allowing exact values for revolutions per minute (rpm) or per second (rps) to be recorded. The distance to the measuring surface is particularly flexible: precise measurements can be taken between 10 and 40 cm, which noticeably increases work safety.

The integrated hold function records the current measured value so that users can easily read the result from the backlit display. The min and max values, which are displayed at the touch of a button, are ideal for complex long-term measurements. The backlit screen makes it easy to read the values even in dark environments, for example in maintenance tunnels.

Core technical features

– Measuring range: 100 to 29999 rpm
– Accuracy: ±(0.02 % of the measured value)
– Resolution: 0.1 rpm (at 100-999.9 rpm) and 1 rpm (from 1000 rpm)
– Measuring cycle: 0.5 s
– Units: rpm or rps
– Includes reflex marks for direct use

In addition, the device has a protective cap so that the sensitive measuring head is safely covered for transportation. In addition to the self-adhesive reflective marker, a calibration protocol is also included to ensure the high quality standard

Special features in use

The contactless function of the tachometer really comes into its own when measuring hard-to-reach components in industrial machine rooms. In many companies, checking rotational speeds is part of everyday work in order to analyze vibrations and assess the condition of drives. The device also delivers reliable results in the laboratory environment, for example for test systems in process engineering or for rotating bodies in research facilities.

The LED measuring spot marking enables precise focusing without great effort. The measuring system is therefore also suitable for mobile measurements where time and accuracy are equally critical. In addition, the attachable protective cap ensures that the device can be stored safely even after prolonged use.

Standards and calibrations

The tachometer is subject to common industry and safety standards; a battery pack and calibration protocol are included with delivery to prove the high measuring accuracy. This ensures compliance with industry quality guidelines and international standard requirements. Thanks to individual tests and calibrations, the device is suitable for various industries where downtimes are minimized and precise information on rotation speeds is required.

Application examples

– In manufacturing technology, it can be used for the maintenance of machines and motors
.- In heating and ventilation systems, it is used to check fan speeds.
– In laboratory test benches, precise measured values are essential for documenting process parameters.
– In the maintenance and service department, the tachometric method enables quick testing of pumps or compressors.

FAQs

How exactly does the optical measurement work

?

The device emits an LED light beam. If this is reflected back by an adhesive reflective marker, the integrated sensor optically detects every rotation without the need for direct contact with the object being measured.

Can the device also be used for very low speeds below 100 rpm?

The measuring range only starts at 100 rpm. This model is therefore only suitable for extremely low speeds to a limited extent.

Is it possible to record the measurement data over the long term?

The measuring device itself displays min and max values daily at the touch of a button and allows you to record a result using the hold function. However, comprehensive long-term data recording is not carried out internally.

Do I need special reflex markers?

The scope of delivery already includes several markers that are simply applied to the measurement object. If required, additional reflectors can be purchased from the same manufacturer.

How often do I need to have the rev counter recalibrated?

This depends on the respective requirements and industry-specific specifications. As a rule, annual calibration is recommended.

Conclusion

The device impresses with its reliable optical measurement, flexible measuring distance and well-structured min/max function. Particularly noteworthy is the clear LED measuring spot marking, which allows the number of revolutions to be recorded with pinpoint accuracy. Thanks to its robust design, rapid readiness for use and the belt pouch supplied, this measuring instrument is extremely versatile. It is suitable for routine maintenance work as well as for precise measurements in a laboratory environment, making it an indispensable tool for professionals in various industries.