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Human Vibration Meter VM-31
human vibration meter to measure vibrations of hand-arm- and full-body / 
measurement ranges for acceleration, speed and distance / 

storage facility for up to 10000 measurement values

The human vibration meter PCE-VM 31 is designed for hand-arm- and full-body vibration measurements. Therefore the human vibration meter is certified according to ISO5349 and ISO2631. The human vibration meter is able to dermine acceleration, speed and distance. Furthermore it is possible to display all relevant values like current effective value (RMS), the maximum effective value (MTVV), the interval effective value, the vibration dose value (VDV), the vibration total value (aw), the peak value, the maximum peak value and crest factor (peak). Additionally the human vibration meter possesses an additional measurement channel which might be used for SEAT-measurements on driving seats. It is also has the possibility to locate main frequencies via a three-channel FFT as well as a TEDS-support for automatic sensor-recognition. The human vibration meter is equipped with a storage facility for up to 10000 measurements and comes with a USB-interface in order to transfer the measured data to a computer. Thanks to the compact design of the human vibration meter, practical measurements can be made on the workplace directly. 

The human vibration meter PCE-VM 31 is offered in three different versions: 
- as a hand-arm vibration meter (ISO5349)
- as a full-body vibration meter (ISO2631)
- as a vibration meter for driving seats (ISO 10326-1 / 7096)

For further information on the human vibration meter PCE-VM 31, please read the following technical data or call our hotline: UK customers +44(0) 23 809 870 30 / US customers +1-410-387-7703. Our engineers and technicians will gladly advise you with the human vibration meter PCE-VM 31 or any other device in the field of measurment instruments, regulation and control or scales and balances of PCE Instruments.

Get additional information on the human vibration meter PCE-VM 31.   User manual for the human vibration meter VM-31.

Further information on the human vibration meter PCE-VM 31

- Compact design
- full-body measurement
- measures acceleration, speed and distance
- memory for 10000 measured values

- three-channel FFT
- TEDS-support
- clear and simple use
- USB-interface

Information on human body vibrations

Hand and arm Vibration
The daily exposure limit value is standardized on 5 m/s ² with a relative time of 8 h. The trigger  daily value is standardised on 2.5 m/s ² according to the norms with a relative time of 8 h. The assessment of the proportion of exposure to hand and arm vibration is obtained by calculating the daily exposure time of 8 hours on the standard  A (8). It is known as the square root of the sum of squares (total value) of the current values of acceleration with frequency assessment in three orthogonal directions ahwx, ahwy, ahwz (ISO 5349-1:2001).

Body vibration (whole body vibration)
The assessment of the proportion of exposure to whole body vibration is obtained by calculating the daily exposure A (8). It is known as the constant acceleration equivalent to a period of 8 h, calculated as the higher of current values or the highest value of the vibration dose values (VDV) of the accelerations with frequency value in the three orthogonal directions (1.4 awx, 1.4 awy, awz for a worker sitting  or standing/ISO 2631-1.

The corresponding ISO standards may be obtained from the publisher or organisation that collects relevant DIN norms.

Technical specifications of the human vibration meter

measurement range (sensor 1 mV / ms-2)

acceleration: 800 m/s2
spped: 100 ... 10000
distance: 250 ... 15000 µm

linearity

<75 dB (for <± 6 % error)

Sine-on-Random

<0,003 m/s2

inputs

4 low-power-IEPE inputs; 1mA / 17 V; TEDS-support, IEEE1451.4, Template 25

sensors

low-power-IEPE
sensitivity: 0,8 ... 120 mV/ms-2

display modes (human vibration)

interval effective value
vector sum
maximum effective value (MTVV)
power-based vibration dose value (VDV)

display modes (general vibration)

running RMS
max. running RMS
vector sum
PEAK-value
max. PEAK-value

filter (movement)

Wb, Wc, Wd, Wh, Wj, Wk, Wm 

filter (unvalued)

6,3 ... 1259 Hz (H/A) / 0,4 ... 100 Hz (G/K)

filter (acceleration)

0,2 ... 1500 Hz / 1 ... 1000 Hz

filter (speed)

1 ... 100 Hz / 2 ... 1000 Hz / 10 ... 1000 Hz

filter (distance)

5 ... 250 Hz

frequency analysis (FFT)

125 lines X/Y/Z,
highest spectrum of acceleration,
3 ... 240 / 6 ... 480 / 12 ... 960 / 24 ... 1920 Hz

data storage

flash, up to 10000 measurement values, 1000 FFT's, each with time, date and comment

display

coloured OLED, 128 x 160 pixels

interface

USB

power supply

3 x 1,5 V AAA batteries

surrounding conditions

-20 ... +60 °C, <95 % rH

dimensions (excluding plug connections)

125 x 65 x 27 mm

weight

140 g

Delivery content of the human vibration meter PCE-VM 31

1 x human vibration meter PCE-VM 31, 1 x USB connection cable, 1 x set of batteries (AAA), 
1 x transportation case, 1 x user's manual

Delivery content of the human vibration meter PCE-VM 31-HA (hand and arm)

1 x human vibration meter PCE-VM 31, 1 x triaxial-accelerometer KS903.10, 1 x sensor cable (3 m),
1 x handle adaptor 141, 1 x handle adaptor 143, 1 x USB connection cable, 
1 x set of batteries (AAA), 1 x user's manual

Delivery content of the human vibration meter PCE-VM 31-WB (full-body)

1 x human vibration meter PCE-VM 31, 1 x triaxial-accelerometer KB103SVD (seat cushion), 
1 x triaxial-accelerometer KB103SV-100, 1 x USB connection cable, 1 x set of batteries (AAA), 
1 x user's manual

Delivery content of the human vibration meter PCE-VM 31-HAWB (hand, arm and full body)

1 x human vibration meter PCE-VM 31, 1 x sensor cable (3 m), 1 x handle adaptor 141, 
1 x handle adaptor 143, 1 x USB connection cable, 1 x triaxial-accelerometer KS903.10, 
1 x triaxial-accelerometer KB103SVD (seat cushion), 1 x set of batteries (AAA), 1 x user's manual

Pictures of the accelerometers for the human vibration meter PCE-VM 31

The triaxial-accelerometer for the human vibration meter in the version of a seat cushion to perform full-body measurements.
The triaxial-accelerometer for the human vibration meter in the version of a seat cushion to perform full-body measurements. 

This triaxial-accelerometer for the human vibration meter is made to make precise estimations of the vibrations in hand and arm.
This triaxial-accelerometer for the human vibration meter is made to make precise estimations of the vibrations in hand and arm.

Optional accessory for the human vibration meter (referring to the standard delivery)

- triaxial-accelerometer KS903.10 (hand and arm)
- triaxial-accelerometer KB103SVD (seat cushion for full-body)
- sensor cable for triaxial accelerometer (3 m)
- sensor cable for uniaxial accelerometer (1,5 m)
- handle adaptor for curved surfaces

Here you will get more information on the human vibration meter PCE-VM 31

return from human vibration meter to homepage

Here you will find all the measuring instruments available at PCE Instruments.

Contact:
PCE Instruments UK Limited
Units 12/13 Southpoint Business Park
Ensign Way, Southampton
United Kingdom, SO31 4RF
Phone: +44(0) 23 809 870 30
Fax: +44(0) 23 809 870 39

Contact:
PCE Americas Inc.
711 Commerce Way suite 8
Jupiter 33458 FL
USA
Phone: +1-410-387-7703
Fax: +1-410-387-7714

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