Larson Davis HVM200 - General Characteristics; Time History (Logging; Run Modes; Clock;Calendar

HVM200 Reference Manual General Characteristics A-2
• Measurement units: m/s
2
, cm/s
2
, ft/s
2
, in/s
2
, g, dB
A.1.1 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 .
A.1.2 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
A.1.3 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
.
A.1.4 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.
A.1.5 Effects of Mechanical Vibrations
Complete instrument RMS level varies up to  0.4% when exposed to mechanical vibrations of 30 m/s
2
at
79.58 Hz (worst-case orientation).
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 & )