1. Larson•Davis Sales Meeting 1999
HVM100
Human Vibration Meter
This Great Stuff

2. The HVM100
The HVM100 is a handheld, multifunction, triaxial, integrating vibration meter. It performs digital sampling and filtering according to human vibration measurement standards.
Multifunction operating modes:
Vibration Severity measurements
Hand-Arm measurements
Whole-Body measurements
Triaxial:
Simultaneous XYZ measurements
HVM100

3. Introduction Digital signal processor (DSP) based instrument
Vibration Severity, Hand-Arm and Whole-Body modes in one instrument
Simultaneous three channel measurements: X,Y,Z and Sum ()
Single and double integration for velocity and displacement measurements
Supports ICP mode, charge mode or direct input, lets you use any existing sensors (4 pin LEMO input connector adapter cables)
Lightweight, rugged, hand-held instrument with 2x16 character LCD display
Multi-lingual LCD display and printed reports
HVM100

4. Introduction, cont. Overload and under-range detection
Three channels of user programmable AC or DC outputs
Store/recall up to 10 user defined setups
Store/recall up to 100 files with all metrics, on demand or at intervals of 1 minute to 99 hours
Each file also stores 120/240 time history points (Arms with or without PEAK or Amin or Amax at a period of 1, 2, 5, 10, 20, 30, or 60 seconds)
Fast kbps RS-232 serial interface for computer download or custom printing
Conforms to: ISO 8041, 2631 Part 1 and 2, 5349 Part 1, and 10819
HVM100

5. Applications Vibration monitoring Industrial Hygiene
Human exposure to vibration from power tools and machinery (European Union Physical Agents Directive)
Evaluation of vibration transmissibility of gloves (ISO 10819)
Research & Development
Product qualification (Machinery Directive Directive 89/392/EU)
Improvement of products (safety and comfort)
Evaluation of devices for vibration reduction
HVM100

6. Effects of vibration on the human body
From CEN report CEN/TC 231
CEN = European Committee for Standardization
Hand-transmitted vibration
Vascular disorders (Vibration-induced White Finger “VWF” and Raynaud’s phenomenon)
Neurological, Skeletal and Muscular disorders
Whole-body vibration
Low-back pain and back disorders
Neck-shoulder disorders
Digestive and Circulatory disorders
Cochleo-vestibular and Reproductive effects
HVM100

7. Customers cont. Occupational Organizations
Occupational health centers, Factory inspectors, Local authorities and Consultants
Manufacturing and Construction Industries
Manufacturers of machinery and components in transportation, agriculture and construction (Whole-Body)
Manufacturers of hand tools (Hand-arm)
Anyone interested in reducing, measuring or certifying the vibration of their product.
HVM100

8. Metrics The HVM100 can measure:
Arms Linearly averaged acceleration (user specified linear integration time of 1, 2, 5, 10, 20, 30, or 60 seconds)
Arms 1sec
m/s2 WbX
Amin Overall minimum RMS acceleration (based on Arms)
Amin
Amax WbX
Amax Overall maximum RMS acceleration (based on Arms)
Peak Short term maximum Peak acceleration (reset at the same rate as Arms)
Peak
Amp WbX
Amp Overall maximum Peak acceleration
HVM100

9. Metrics cont. The HVM100 can measure:
AeqN N=1,2,4 and 8 hour energy equivalent RMS acceleration
Aeq
Aeq WbX
Aeq
Aeq WbX
CF Short term crest factor (ratio of Peak to Arms) CF
CFmp WbX
CFmp Overall crest factor, (ratio of Amp to Aeq)
VDV Vibration Dose Value
VDV 10:55:30
m/s4 WbX
HVM100

10. Metrics cont.
The Vibration Severity version (base model) of the HVM100 measures:
Arms, Amin, Amax, Peak, Amp and Aeq
The Hand-Arm option includes these additional measurements:
Aeq1, Aeq2, Aeq4, and Aeq8
The Whole-Body option includes these additional measurements:
CF, CFmp, and VDV
HVM100

11. Standards
ISO 8041: Human response to vibration -- Measuring instrumentation
ISO : Mechanical vibration and shock -- Evaluation of human exposure to whole-body vibration -- Part 1: General requirements
ISO : Evaluation of human exposure to whole-body vibration -- Part 2: Continuous and shock-induced vibrations in buildings (1 to 80 Hz)
ISO 5349: Mechanical vibration -- Guidelines for the measurement and the assessment of human exposure to hand-transmitted vibration
ISO 10819: Mechanical vibration and shock -- Hand-arm vibration -- Method for the measurement and evaluation of the vibration transmissibility of gloves at the palm of the hand
HVM100

12. Standards cont.
There are many other standards that specify the operating conditions of the devices to be measured. For example, ISO 8662 part 1 is the general standard for hand-held power tools, and parts 2-14 cover specific types of hand-held power tools.
ISO :1988 Hand-held portable power tools -- Measurement of vibrations at the handle -- Part 1: General
ISO : Chipping hammers and riveting hammers
ISO : Rock drills and rotary hammers
ISO : Grinders
ISO : Pavement breakers and hammers for construction work
ISO : Impact drills
ISO : Wrenches, screwdrivers and nut runners with impact, impulse or ratchet action
ISO : Polishers and rotary, orbital, or random orbital sanders
ISO : Rammers
ISO : Nibblers and shears
ISO/DIS : Fastener driving tools
ISO :Saws and files with reciprocating action and saws with oscillating or rotating action
ISO : Die grinders
ISO :Stone-working tools and needle scalers
HVM100

13. Specifications Input Types: ICP mode, charge mode or direct
Input Range: 100 dB (in multiple ranges)
Upper Limit: 100 m/s2
Lower Limit: m/s2
Range Gain: x1, x10, x100 or x1000
Calibration: Enter sensitivity or use calibrator
Units: m/s2, cm/s2, ft/s2, in/s2, g, dB
AC or DC Output for Each Channel: AC: Weighted or band-limited DC: Arms, Amax, Peak or  Arms
HVM100

14. Specifications cont. Frequency weightings
Vibration Severity Mode: Ws (Severity) Fa (0.4 Hz to 100 Hz) Fb (0.4 Hz to 1250 Hz) Fc (6.3 Hz to 1250 Hz)
Hand-Arm Mode: Wh (band-limited from 6.3 to 1250 Hz)
Whole-Body Mode: Wc, Wd, Wj, Wk (band-limited from 0.4 to 100 Hz) WB (band-limited from 0.8 to 100 Hz)
HVM100

15. Specifications cont. Peak accuracy: +/- 0.5 dB
Battery: 2 x AA (IEC Type LR6)
Weight: 350 g (12.3 oz)
Dimensions: 2.5cm x 7.5cm x 15cm (1” x 3” x 6”)
Setups: Store up to 10 user setups
Memory: 50 to 100 measurements, 1min to 99 hrs
Time history: 120/240 samples of Arms with Peak or Amin or Amax, rate = 1, 2, 5, 10, 20, 30, 60 seconds
Serial interface: RS232 on 8 pin DIN, up to kbps
HVM100

16. Configuration Standard Items (included) Firmware Options
HVM100 Vibration Severity meter with memory for 50 files
Accelerometer Cable
Instruction manual
Firmware Options
Hand Arm Mode
Whole Body Mode
Memory for 100 Files
HVM100

17. Configuration accessories
Accelerometers (not included)
Seat accelerometer
Single-axis accelerometers, small and medium
Triaxial accelerometers, small and medium
Mounting accessories and adapters (not included)
Clamp connection (see ISO )
Hand-held adapter (see ISO )
Individually mounded adapter (see ISO and ISO 10819)
Hand adapter
Accessories for mounting accelerometers (mechanical filter, glue, studs, magnets, etc.)
Building Support
HVM100

18. Configuration accessories cont.
Clamp connection
Hand-held adapter
Hand adapter
Individually mounded adapter
Seat accelerometer
HVM100