Larson Davis HVM200, Reference Manual

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HVM200 Reference Manual A-1
Appendix
A Specifications
A.1 General Characteristics .......................................................................................................A-1
A.2 Physical Characteristics ......................................................................................................A-2
A.3 Operational Characteristics ................................................................................................A-2
A.4 Electrical Characteristics ....................................................................................................A-4
A.5 Reference Values .................................................................................................................A-6
A.6 Measurement Ranges ..........................................................................................................A-6
A.7 Frequency Weighting Curves ..............................................................................................A-7
A.8 Frequency Weighting Tables .............................................................................................A-11
A.9 Integration Weighting Limits ............................................................................................A-17
A.10 1/1 & 1/3 Octave Band Filters ...........................................................................................A-24
A.11 Standards Met ...................................................................................................................A-32
Specifications are subject to change without notice.
A.1 General Characteristics
Measurement modes
• Hand-arm, Whole-body, Vibration
Table A.1 Metrics by mode:
• Measurement units: m/s
2
, cm/s
2
, ft/s
2
, in/
s
2
, g, dB
Time History (Logging)
• Store interval (user-selected): 1, 2, 5, 10, 20,
30 s; 1, 2, 5, 20, 30 min; 1 hr
• Stored values: RMS and Peak for x, y, and z
axes and for

.
Run Modes
• Manual: Run/stop with app or meter button
• Timed: Start at time specified in setup
• Delayed: Start after delay specified in setup
of 5, 10, 20, 30, or 60 seconds
Clock/Calendar
• 24 hour clock format: hh:mm:ss
• Run-time resolution: 1 second
• 5 minute (typical) clock retention during
battery change
Time of Day Drift
Worst case: 6.91 seconds per day (-10

C to + 50

C).
Effects of Temperature and Humidity
• Operating temperature: 14°F to 122°F (-10
°C to 50 °C)
• The RMS level of the HVM200 varies up to

1% when exposed to temperatures of - 10
°C to 50 °C and relative humidity (RH) 20 to
90% (non-condensing).
• Tested at 159.4 Hz and 9.81 m/s
2
.
Effects of Magnetic Fields
Complete instrument RMS level varies up to

1.4%
when exposed to an 80 A/m, 60 Hz magnetic field
(worst case orientation).The complete instrument
is defined as the HVM200 meter, CBL217-01, and
SEN041F.
Vibration
Hand-arm
Whole-body
RMS, Peak, Min, Max (x, y, z &

)
RMS, Peak, Min, MTVV, A(8) (x, y, z &

)
RMS, Peak, Min, MTVV, A(8) Act, A(8) Exp, EP VDV (x, y, z &

)