User's Manual
Table Of Contents
- Introduction
- Getting Started
- Making a Measurement
- Technical Specifications
- Functions Measured
- General Characteristics
- Physical Characteristics
- Data Communication Characteristics
- Electrical Characteristics
- Adaptor Resonances and Frequency Responses
- Reference Values
- Typical Measurement Ranges
- Frequency Weighting Curves
- Fa (Flat 0.4 Hz to 100 Hz)
- Fb (Flat 0.4 Hz to 1260 Hz) Frequency Weighting
- Fc (Flat 6.3 Hz to 1260 Hz), Wh, and Wf Frequency Weighting.
- Wm, Wc, and Wd Frequency Weightings
- We, Wj, and Wk Frequency Weighting
- Wg Frequency Weighting (Defined in BS6841:1987)
- Wm (Whole Body) Frequency Weighting
- Typical Measurements Ranges
- Standards Met
- Glossary
- RMS Acceleration
- RMS Acceleration in Decibels
- Allowed Exposure Time
- Energy Equivalent RMS Acceleration
- Running RMS Acceleration LINEAR
- Running RMS Acceleration EXPONENTIAL
- Vibration Dose Value
- Maximum Transient Vibration Value
- Minimum Transient Vibration Value
- Long Term Maximum Peak
- Short Term Maximum Peak
- Long Term Crest Factor
- Short Term Crest Factor
- Summed Instantaneous Acceleration
- Regulatory Compliance Statement
HVM200 Manual Frequency Weighting Curves A-13
We, Wj, and Wk Frequency Weighting
Freq ( Hz)
Nominal
Freq ( Hz)
True
We dB Wj dB Wk dB
Tolerance
dB
0.100 0.100 -24.08 -30.18 -30.11 +2 / -
0.125 0.1259 -20.09 -26.20 -26.14 +2 / -
0.160 0.1585 -16.14 -22.27 -22.21 +2 / -
0.200 0.1995 -12.27 -18.42 -18.37 +2 / -
0.250 0.2512 -8.60 -14.79 -14.74 +2 / -2
0.315 0.3162 -5.36 -11.60 -11.55 +2 / -2
0.400 0.3981 -2.86 -9.15 -9.11 +1 / -1
0.500 0.5012 -1.27 -7.58 -7.56 +1 / -1
0.630 0.6310 -0.55 -6.77 -6.77 +1 / -1
0.800 0.7943 -0.52 -6.42 -6.44 +1 / -1
1.00 1.00 -1.11 -6.30 -6.33 +1 / -1
1.25 1.259 -2.29 -6.28 -6.29 +1 / -1
1.60 1.585 -3.91 -6.32 -6.13 +1 / -1
2.00 1.995 -5.80 -6.34 -5.50 +1 / -1
2.50 2.512 -7.81 -6.22 -3.97 +1 / -1
3.15 3.162 -9.85 -5.60 -1.86 +1 / -1
4.00 3.981 -11.89 -4.08 -0.31 +1 / -1
5.00 5.012 -13.93 -1.99 +0.33 +1 / -1
6.30 6.310 -15.95 -0.47 +0.46 +1 / -1
8.00 7.943 -17.97 +0.14 +0.32 0
10.0 10.0 -19.98 +0.26 -0.10 +1 / -1
12.5 12.59 -21.99 +0.22 -0.93 +1 / -1
16.0 15.85 -23.99 +0.16 -2.22 +1 / -1
20.0 19.95 -26.00 +0.10 -3.91 +1 / -1