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Sound and Vibration Instrument Hire and Calibration

Bruel & Kjaer 4447 HAVS - Hand Arm and Whole Body Vibration Meter

B&K 4447 Hand Arm, Whole Body Vibration Meter

The B&K 4447 has been withdrawn, the following information is for reference purposes.

B&K 4447 : Hand Arm Vibration Meter - HAVS Assessment  
B&K 4447 : Whole Body and Hand Arm Vibration Meter - WBV + HAV  

Hand held HAVS meter for assessment, measurement and evaluation of human vibration exposure.

The B&K 4447 is designed to measure the exposure of employees to the harmful influences of Hand Arm Vibration White Finger and Whole Body Vibration in 3-axis simultaneously.

Hand arm vibration measurements (2 to 1250 Hz) - Vibration White Finger - VWF
Whole body and Vibration Dose measurements (1 to 80 Hz) - Whole Body Version
Low-frequency whole body vibration measurements down to 0.4Hz
Linear mode (0.4 to 1250 Hz) for calibration
Compact, stand-alone instrument with an internal power source
Versatile graphics display for setup of the instrument and display of results
Only four buttons to control the instrument's functions - ideal for field-work
All the necessary data is displayed for instant assessment of exposure to vibration
Very few cables (only one cable connection to a transducer in basic setup)
USB connection to a computer for post-processing and archiving
HAVS risk assessment following the good practice guide for HAVS monitoring

Using the B&K 4447, HAVS testing is easy and the parameters required by EU Directive 2002/44/EC are calculated.

The HAVS Testing Kit Type 4447 includes the following items:
3 + 1 Channel HAVS Meters
Triaxial Accelerometer Type 4520
Adaptors for hand, arm, and direct mounting of an accelerometer
Power supply and charger
USB connection cable
Software to download measurements and calculation of daily exposures for 1, 4, and 8 hour periods
User manual
Carrying Case
Calibration Certificates.

B&K 4447 Manufacturer's Specifications

A vibration calibrator type B&K 4294 is recommended for on-site calibration.

Caution - the internal re-chargeable batteries only last 3 hours a day.

Seat Pad

B&K 4515-B-002 : Triaxial Seat Pad Accelerometer - delivered with the whole body version  

Specially designed for the measurement of whole body vibration, it consists of a triaxial accelerometer housed in a rubber disc and compliant with BS EN ISO 7096, BS ISO 2631 and BS EN 10326-1.

It can be placed under a seated person, on a vibrating surface, or strapped onto the body. It detects vibration in directions along the body, back-to-front, and side-by-side. - seat pad details

Alternative Systems
LD HVM100 Hand Arm Vibration White Finger and Whole Body Vibration Meter
B&K 2537 Hand Arm and general purpose vibration meter
Vibrock 901-2 Whole Body Vibration Meter

See also : our main Hand Arm Vibration White Finger and Whole Body Vibration web page

* Our standard hire charges are based on a 4-day minimum period, details other options.

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