Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.
Last Updated： Aggregation Period:Sep 24, 2025～Oct 21, 2025
This ranking is based on the number of page views on our site.
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Klavis can perform highly reliable measurements in one go without being affected by surrounding noise, making it particularly effective in production line environments!
Currently, many major belt manufacturers, car manufacturers, and machinery manufacturers around the world have adopted it with reliability.
The belt tension is easily visible. A small microphone reads the belt's natural frequency and instantly displays the belt tension.
Belt tension is easily visible. Using a small microphone, it reads the natural frequency of the belt and instantly displays the belt tension. Preface To ensure that the drive belt performs at its best, it is essential to tension the belt to the appropriate level. Please use this tension gauge for managing the tension of drive belts. ● Wide range of measurable belts It can accommodate various belts such as timing belts, flat belts, V-belts, and V-ribbed belts. ● Simultaneous display of belt vibration frequency and tension value With a two-line display, you can check the frequency and tension value on the same screen. ● Wide measurement frequency range It can measure a wide frequency range from 10.0 to 999 [Hz] (upper three digits). ● Short measurement time due to unique high-speed data processing By adopting a high-performance single-chip microcontroller and unique data processing, tension measurement can be performed in a short time. (As short as 0.5 seconds) ● Equipped with memory function It can store data for 10 types of tension measurement conditions and 89 types of unit mass data.
Ultrasonic belt tension meter
Ultrasonic belt tension meter
<Contributing to SDGs (Decarbonization and GX)> Non-contact ultrasonic belt tension meter. It reads the belt's vibration frequency with a small microphone and instantly displays the belt tension.
Features - Wide range of measurable belts Compatible with various belts such as timing belts, flat belts, V-belts, and V-ribbed belts. - Simultaneous display of belt vibration frequency and tension value With a two-line display, frequency and tension values can be checked on the same screen. - Two types of unit display selectable The unit switch allows for display in either [kgf] or [N]. - Wide measurement frequency range Can measure a broad frequency range of 10.0 to 999 [Hz] (upper three digits). - Short measurement time due to unique high-speed data processing By adopting a high-performance single-chip microcontroller and unique data processing, tension measurement can be performed in a short time (as short as 0.5 seconds). - Memory function included Can store 10 types of tension measurement data and 89 types of unit mass data. - Auto power-off function included The power will automatically turn off after 5 minutes of inactivity, preventing battery drain due to forgetting to turn off the power switch. - Switchable between Japanese and English By pressing and holding the "0" and "Enter" keys simultaneously when powering on, the display can be switched between Japanese and English.
Easily manage a large number of measurement results!
The memory function has been powered up!
It is a non-contact type tensiometer that can measure a wide range of frequencies from 10 to 900 Hz.
It can measure the frequency and tension value of the belt non-contactly and in a short time. It features a highly visible color screen, pursuing ease of use. By inputting the belt span length and mass per unit, it calculates tension from the measured frequency. It can store up to 750 measurement data internally. The battery level icon displays to inform you of the charging status. It has an automatic power-off function (can be released after 1 to 5 minutes of inactivity). With the included software, it can calculate the belt's transmission power and natural frequency (PC operation is required).
By using OPTIBELT TT, you can easily and accurately measure the tension of power transmission belts such as V-belts, ribbed belts, and timing belts.
When you turn on the power, attach the tip unit, and switch it on, two red circles (dots) will appear. Measure by flicking the belt with your finger at the distance where the red dot circles overlap (approximately 50 mm). Our unit can measure and record the tension of the belt based on its vibrations without being affected by external noise. The measurement results will be displayed immediately on the color LCD screen, shown in Hertz (Hz). The type, condition, and color of the belt do not affect the measurement values. It is also possible to use Optibelt's free CAP drive calculation software to determine the appropriate tension. 【Two Measurement Methods】 - EM Measurement (non-contact): 6-600 Hz - AC Measurement (contact): 1-16 Hz 【Ease of Measurement】 - Tension measurement in hard-to-reach places is made easy with a flexible goose neck (EMV) or a 10-inch cable (ACC). 【Accuracy of Measurement Results】 - The red dot method makes positioning easy and accurate. - Unlike conventional ultrasonic methods, it is not affected by external noise. 【User-Friendly】 - Uses a long-lasting, easy-to-charge onboard lithium battery with USB charging.
Ultrasonic belt tension gauge for measuring installation tension of belts. Managing the installation tension of belts is crucial for fully demonstrating their performance.
The belt tension meter captures sound waves generated by the belt's amplitude with a microphone, converting the frequency into belt tension and displaying it digitally. ■ Features - Bright and easy-to-read OLED screen - Capable of registering 40 measurement conditions - Wide frequency range measurement from 10 to 5000 Hz - Pre-installed unit masses for manufacturer timing belts ■ Adoption of OLED screen The characters are bright and easy to read, improving visibility in dark measurement environments. ■ Capability to register 40 measurement conditions You can register 40 conditions for unit mass, belt width, and span length. (NO,00 to NO,39) ■ Wide measurement range The measurement frequency range has expanded to 10 to 5000 Hz, making it easier to measure in both short span and long span layouts. ■ Pre-installed unit mass Unit masses for all 18 types of timing belts manufactured by the company are pre-installed, making input easy.
Measurement Specialties manufactured range 5, 16, 25 kN
The EL20-S458 seat belt load cell manufactured by Measurement Specialties (MSI) is a compact and lightweight titanium seat belt tension meter. It is available in three measurement ranges: 5kN, 16kN, and 25kN, allowing for selection based on measurement applications. Additionally, a linearizer option is available, enabling high-precision measurements with non-linearity of less than ±0.5% FSO.
Read the natural frequency of the belt with a small microphone! Instantly display the belt tension.
"Dr. Tension" <Type-IV> is a non-contact ultrasonic belt tension meter that measures tension using a small microphone, allowing you to easily see the belt tension at a glance. It is compatible with various types of belts, including timing belts, flat belts, V-belts, and V-ribbed belts. With a two-line display, you can check both frequency and tension values on the same screen. 【Features】 ■ A wide range of measurable belts ■ Two types of unit display available ■ Extensive measurement frequency range ■ Short measurement time due to unique high-speed data processing ■ Equipped with memory function *For more details, please refer to the PDF document or feel free to contact us.
A belt tension meter that can be easily and accurately measured by anyone.
The U-507D is an ultrasonic belt tension meter. It captures the sound waves (natural frequency) generated by the belt with a sensor, processes them with a high-performance computer, and accurately displays the belt tension in digital form. It can also be connected to a PC via a USB cable for data processing of tension values. By developing unique data processing that utilizes a microcomputer to capture vibration frequencies, it achieves the ability to capture the cycle of the fundamental waveform and displays accurate tension values through built-in calculation formulas in the program. For more details, please contact us.
It is a handheld tension meter.
It captures the sound waves generated when the belt is plucked and quickly quantifies them on the spot. Inspections at multiple locations can also be conducted swiftly, contributing to time savings and increased efficiency in operations. *For more details, please refer to the catalog available for download below under "PDF Download." You can also request a quote through "Contact Us." Feel free to reach out.*
A doctor who can instantly tell the belt tension has appeared! A small microphone measures the tension.
"Dr. Tension" is an ultrasonic belt tension meter that reads the frequency of the belt and displays it instantly. It is compatible with various types of belts, including timing belts, flat belts, V-belts, and V-ribbed belts. Additionally, the two-digit display allows you to check both the frequency and tension value on the same screen. It can store data for 10 different tension measurement conditions and 89 types of unit mass data. 【Features】 ■ A wide range of measurable belts ■ Simultaneous display of belt vibration frequency and tension value ■ Extensive measurement frequency range ■ Short measurement time due to unique high-speed data processing ■ Equipped with memory function *For more details, please download the PDF or feel free to contact us.
It can perform highly reliable measurements in a single attempt, making it particularly effective in production line environments!
A. Frequency (sound wave) measurement using a microphone is a conventional method, and measurements can be conducted with just one microphone. However, when measuring with only one microphone, it inevitably measures the frequency of external noise along with the natural frequency (vibration frequency) proportional to the tension reflected from the belt. In other words, frequency synthesis occurs (the synthesis of the belt's natural frequency and the noise frequency), and the measuring instrument will measure this synthesized incorrect frequency. Unfortunately, the frequency of the surrounding noise varies depending on its type (machine noise, motor, impact, air gun, human voice, etc.). Therefore, while measurements with one microphone may be stable in a noise-free environment, under noisy conditions, phenomena such as "the data seems unstable," "suddenly, strange data appears," and "I can't tell which measurement data is accurate" occur. By using "two microphones" (international patent), the unstable elements of data caused by noise can be fundamentally resolved, allowing for the measurement of only the natural frequency corresponding to the belt's tension, which is the principle behind "Klavis."
