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Human Vibration Meter

SV 106A

As defined by ISO 8041, a Human Vibration Meter (HVM) is a device that uses a vibrational transducer, signal processor, and display to measure human response to vibrations. HVM is typically used in hand-arm vibration measurements to prevent HAVS. In whole-body, they are typically used for the calculation of Vibration Dose Value.

What is a Human Vibration?

Human vibrations are mechanical vibrations that are transmitted directly to the human body, affecting different tissues in different ways. There are three types of human vibrations:

  • hand-arm vibration (ISO 5349);
  • whole-body vibration (ISO 2631);
  • low-frequency whole-body vibration in the frequency range from 0,1 Hz to 0,5 Hz (ISO 2631)

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vibration meter
Vibration Meter
hand arm vibration
Hand-Arm
whole body vibration
Whole-Body

Vibration Meter

Catalogue

How are vibrations measured?

The vibrations are measured by sensors that are attached to the meter with cables. The sensors are placed near the contact with the vibrating surface of industrial machinery. Take a look at some of the features that make the SV 106A the world's leading human vibration meter.

Human Vibration

Measurements

Hand Arm Vibration Testing

Calculation of the daily exposure A(8)

The hand-arm vibration testing is based on the calculation of the daily exposure value normalized to an eight-hour reference period. This value is A(8), which is the square root of the sum of the squares (RMS) of the frequency-weighted acceleration values, determined on the orthogonal axes X, Y, Z defined in ISO 5349-1.
hand arm vibration syndrome exposure

Vibration Dose Value

Calculating VDV for whole-body vibration

The vibration dose value VDV is calculated using the fourth power of the frequency-weighted instantaneous vibration acceleration. The whole-body vibration daily exposure A(8) is calculated at the highest (RMS) value or the highest vibration dose value (VDV).
whole-body vibration measurement

Types of Accelerometers

MEMS vs IEPE Accelerometers Types

ISO 8041 mentions two types of accelerometers - IEPE and MEMS. Their construction and operation are very different. In IEPE accelerometers, piezoelectric materials are used, while semiconductor fabrication facilities are used in MEMS. As a result, MEMS accelerometers are more shock resistant and do not have a DC shift effect. They also consume less power and have a flat frequency response down to DC.
Six vibration channels

Human vibrational frequencies

How do you measure human vibrational frequency?

According to ISO 5349 and ISO 2631, human vibrational frequencies are measured using unweighted frequency spectra to identify the vibration sources. Once it is installed, the data logger stores the information about 1/3 octaves with configurable logging intervals.
hand-arm vibration measurement

Vibration Measurement Methods

Applications

HAVS

Hand arm vibration syndrome

HAVS is an occupational disease caused by hand-arm vibrations which occur in a form of vascular disorder characterized by low blood circulation in the fingers. Learn how to take measurements of hand-arm vibration to prevent hand-arm vibration syndrome.
Read more
hand-arm vibration measurement

Whole-Body Vibration

What causes human vibration?

Whole-body vibrations, which are defined in ISO 2631, are vibrations caused by vehicles, machinery, and industrial activities that affect human comfort, activities, and health. This type of human vibrations measurements is done with sensors that are flat and in the shape of a seat pad. It is placed directly on the seat cushion, floor, or fastened to the rear of the seat.
Read more
whole-body vibration measurement

Human Vibration

Videos

Human vibration measurements

The world's reference human vibration meter

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SV 106A – Six channel human vibration meter

SV 106A – Six channel human vibration meter
The SV 106A kit comes with a 8 GB microSD card, USB cable, 4 AA batteries, PC software license, and factory calibration certificate. The set also includes 36-months warranty if you register the product.

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Open list

SV 38V - Seat accelerometer for SV 106

SV 38V - Seat accelerometer for SV 106

Seat accelerometer for SV 106

SV 105C - Hand-Arm adapter with triaxial accelerometer for SV 106A

SV 105C - Hand-Arm adapter with triaxial accelerometer for SV 106A

Hand-Arm adapter with triaxial MEMS accelerometer for SV 106A

SF106_LIC_3 - License of 1/1 & 1/3 octave analysis for SV 106

SF106_LIC_3 - License of 1/1 & 1/3 octave analysis for SV 106

License of 1/1 & 1/3 octave analysis for SV 106







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    Technical

    Specification

    SV 106A – Six channel human vibration meter

    Applications

    Hand-arm vibration
    Whole-body vibration

    Hardware Features

    Number of channels 6
    Communication Interfaces USB, I/O
    Display
    Keyboard 9 buttons
    Memory 8 GB
    Battery type AA
    Operating time 12-16h
    Operating temperature range -10 °C to 50 °C
    Humidity range up to 90 % RH, non-condensed
    Weight 390 grams
    Size 140 x 83 x 33mm

    Vibration measurement features

    Standards ISO 8041, ISO 2631, ISO 5349
    Number of channels 6
    Sensor type IEPE / MEMS
    Measurement range Transducer dependent
    Frequency range 0.1 -2000 Hz
    Profiles per channel 2 acceleration velocity
    Weighting filters Wd, Wk, Wm, Wb, Wc, Wj, Wg, Wf, Wh, Wp, HP, KB, Vel3
    Time constants Linear
    1/1 octave option
    1/3 octave option
    WAV recodrning option

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